A student found a grasshopper in their backyard and wanted to take it to school to show the teacher the next day. Thestudent put the
grasshopper in a sealed container overnight to keep it from hopping away. When the student opened the container the following day, the
grasshopper was dead. Which best describes what organelle in the grasshopper's cells was unable to perform properly for the grasshopper
to stay alive as a result of being kept in a sealed container overnight?
Answers
Answer options:
The nucleus was unable to provide instructions for the other organelles in the cells. The mitochondria were unable to undergo cellular respiration and could not produce energy for the cells to function. The lysosomes were unable to remove waste from the cells. The cell membrane was unable to allow substances to enter and exit the cells.Answer:
The mitochondria were unable to undergo cellular respiration and could not produce energy for the cells to function.Explanation:
Mitochondria are the site of aerobic respiration. This is the process that produces energy in the form of ATP. ATP provides energy for all cellular processes. Without this energy, the cell cannot carry out its functions and will quickly die.
Aerobic respiration requires a good supply of oxygen, which the grasshopper would not have had in a sealed container.
Related Questions
Is my answer correct for roman 1 and roman ii
Answers
According to the problem we need density and frequency.
Density is defined as the number of individuals per area unit. Meanwhile, frequency is the probability of finding a species in a certain area.
The formulae are as it follows
Density (D)= Total of individuals/ sampled area
Frequency (Fr)= (Number of quadrants where species is present/ total number of quadrants)X100
Applied for (i)
Plants= 2+6+7+12+3+5+5=40
Sampled Area: (10x4m²)= 40m²
D=40/40m²=1 individuals/m²
Applied for (ii)
present in 7 quadrants
total of quadrants 10
Fr=(7/10)x100
=70%
Which of the following is an example of a GENE mutation
Answers
Answer: sickle cell anemia Tay-Sachs disease, phenylketonuria and color-blindness
Explanation:
To whom do you go if you want to enroll in a Coverdell Educational Savings
Account?
Answers
If you want to enroll in a Coverdell Educational Savings Account, you can go to a financial institution that offers this type of account.
This can include banks, credit unions, brokerage firms, or online investment platforms. It is important to research different options and compare fees and investment options before selecting a financial institution or advisor. Some institutions may offer additional benefits, such as financial planning services or online tools to help you manage your account. You may also consider consulting with a tax professional or financial planner to determine if a Coverdell ESA is the best savings option for your educational goals and financial situation. It is important to note that there are contribution limits and other rules associated with Coverdell ESAs that you should be aware of before enrolling.
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Answer: A banker.
Explanation: Took the quiz!
After duplication, at what point does a cell become two cells with identical DNA? starting in prophase end of anaphase end of cytokinesis
Answers
Answer:
The correct answer is - end of cytokinesis.
Explanation:
Cytokinesis :- a procedure that partitions the cytoplasm and plasma layer of a cell, bringing about two indistinguishable cells that contain their own DNA, nucleus, nuclear membrane, and plasma membrane.
During the last phase of the cell cycle, cytokinesis permits the cell to complete the process of isolating, making two cells with indistinguishable duplicates of DNA
The cell squeezes in the equator area with the assistance of a ring of contractile protein filaments. The formed cleavage furrow develops until the two cells squeeze off totally.
Thus, the correct answer is - end of cytokinesis.
Answer:
end of cytokinesis
Explanation:
State the parts of skeletal muscles. Describe their relationship to each other. Use the terms actin, myofibrils, myosin, and sarcomeres in your answer.
Answers
Answer:
why does it even say that
Explanation:
what does it even say
the various toxins produced by s. aureus are invasive factors that allow the bacteria to spread, thereby avoiding host defenses.
Answers
The statement 'the various toxins produced by s. aureus are invasive factors that allow the bacteria to spread, thereby avoiding host defenses' is false.
In the field of science, toxins can be described as such compounds that are secreted by a microorganism in order to kill other organisms nd to spread its growth.
Toxins that are produced by S.aureus are made in order for the bacteria to spread itself rather than as a toxic agent for other organisms. As no toxicity is produced, the host would not act as a defense against A.aureus and it would be able to spread itself easily. Such a defensive mechanism promotes the growth of an organism.
The question can correctly be written as:
The various toxins produced by s. aureus are invasive factors that allow the bacteria to spread, thereby avoiding host defenses. true or false
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please can you help me
topic : Inflammatory odontogenic cyst of jaw from deciduous and permanent teeth. Etiology, pathogeny, differential diagnostics, treatment.
8- Antibiotic therapy would not be indicated by:
A breast feeding in child.
B minor, chronic, well-localized abscess for which an i&d and treatment of the offending tooth result in rapid resolution.
C patients who have any type
of decreased host resistance.
D infections which have nonodontogenic origin.
E the use of c&s testing is not necessary for routine odontogenic infections.
9- To choose the feature of inflammation in children:
A more often observed limited forms of inflammation.
B inflammation has not expressed chronic clinical course.
C younger children tend to be more abrupt, generalized reactions in response to
local inflammation.
D the high level of nonspecific resistance and immune defense in local reaction.
E chronic stimulation of lymphoid tissue leads to a total decrise of the lymph
nodes.
10- Reduced regeneration of red blood cells identifies by presence (in blood test):
A poikilocytosis, microcytes with reduced number of reticulocytes.
B increasing the number of red blood cells.
C basophilic granulation of erythrocytes.
D atipical lymphocytes.
E incrised level red blood cells sedimentation.
11-To choose the correct definition of jaw cyst:
A lesion of abnormally growing of jaw.
B epithelium-lined pathologic cavity into jaw that may contain fluid or cellular debris.
C tumor-like formation into jaw that contain immaturity tissue.
D heart of chronic inflammation connects with caused tooth.
E localized osseous dystrophy.
12 Pre-existing condition of
radicular cyst is following:
A gingival fistulas.
B periapical granuloma.
C necrotic pulp of tooth.
D chronic granulating inflammation in periapical tissues.
E localized osteomyelitis.
13 Odontogenic cyst of inflammatory origin by mixed dentition is following:
A radicular.
B dentigerous.
C periapical.
D all of above listed.
E residual.
14 The inflammatory
dentigerous cyst from deciduous lower molar may be successfully managed by:
A marsupialization.
B extraction of deciduous tooth and temporary filling of socket using iodine cotton.
C extraction of the associated non-vital tooth and curettage of the epithelium in the zone of apical pathology.
D endodontic therapy in association with an
apicoectomy to permit direct
curettage of the cystic lesion.
E enucleation of the cyst.
15 The radicular cyst with apical root resorption of caused permanent tooth may be successfully managed by:
A endodontic therapy in
association with an
apicoectomy to permit direct curettage of the cystic lesion.
B extraction of deciduous tooth and temporary filling of socket using iodine cotton.
C extraction of the associated non-vital tooth and curettage of the epithelium in the zone of apical pathology.
D marsupialization.
E enucleation of the cyst.
16 The radicular cyst of extremely large size may be initial successfully managed by:
A extraction of deciduous tooth and temporary filling of socket using iodine
cotton.
B endodontic therapy in association with an apicoectomy to permit direct curettage of the cystic lesion.
C marsupialization.
D extraction of the associated non-vital tooth and curettage of the epithelium in
the zone of apical pathology.
E enucleation of the cyst.
Answers
Inflammatory odontogenic cysts are the most common type of cysts in the jaw, arising from inflammation associated with teeth.
What is blood?Blood is a fluid connective tissue that circulates throughout the body, providing oxygen and nutrients to cells, carrying away waste products, and helping to fight infections and regulate body temperature. It is composed of plasma, red blood cells, white blood cells, and platelets. Plasma is a yellowish liquid that makes up about 55% of blood volume and contains proteins, electrolytes, hormones, and other substances. Red blood cells contain hemoglobin, which binds to oxygen and gives blood its red color. White blood cells are involved in the immune response, helping to defend the body against foreign invaders such as bacteria and viruses. Platelets are cell fragments involved in blood clotting.
Here,
Here are the answers to your questions:
D - Infections which have non-odontogenic origin would not require antibiotic therapy.
A - In children, more often observed limited forms of inflammation.
A - Reduced regeneration of red blood cells identifies by presence of poikilocytosis, microcytes with a reduced number of reticulocytes.
B - A jaw cyst is an epithelium-lined pathological cavity in the jaw that may contain fluid or cellular debris.
C - A radicular cyst is a pre-existing condition of necrotic pulp of the tooth.
D - All of the above listed (radicular, dentigerous, and periapical) may cause odontogenic cysts of inflammatory origin in the mixed dentition.
A - The inflammatory dentigerous cyst from the deciduous lower molar may be successfully managed by marsupialization.
A - The radicular cyst with apical root resorption of the caused permanent tooth may be successfully managed by endodontic therapy in association with an apicoectomy to permit direct curettage of the cystic lesion.
C - The radicular cyst of extremely large size may be initially successfully managed by marsupialization.
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According to your textbook and many other sources of information, the shortest phase of mitosis is anaphase. Prophase takes 30 to 60 minutes; metaphase, 2 to 10 minutes; anaphase 2 to 3 minutes; telophase 3 to 12 minutes.
In the mitosis lab that you have just completed, the shortest phase was telophase and/or metaphase. Please discuss these results. Why do you think our results do not align with your textbook or other sources of information? Why does not anaphase come out as the shortest mitotic phase in our experiment?
Answers
Anaphase does not appear as the shortest mitotic phase in our experiment because the conditions must not be right because anaphase is the shortest phase of mitosis, it starts abruptly with the simultaneous separation of sister chromatids and is completed within few minutes. In this step, each chromatid begins to move toward the opposite side of the cell.
What is the function of mitosis?Mitosis is a process of cell division that is of great importance to organisms. In multicellular beings, mitosis is important to ensure the growth of these individuals and also for tissue regeneration. In unicellular organisms, mitosis has the important function of ensuring asexual reproduction.
What are the stages of mitosis?Mitosis consists of four basic phases: prophase, metaphase, anaphase, telophase. Some textbooks list as many as five, dividing prophase into an earlier phase (called prophase) and a later phase (called prometaphase).
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A mutant strain of E. coli produces -galactosidase in the presence and in the absence of lactose. Which of the following mutations will cause this result?
A. mutations in the lac operator
B. mutations in the lacl gene that encodes the repressor
C. mutations in the CAP binding site
D. both A and B are correct A,B, and C are correct
Answers
Was Stanley milgrams study of obedience unethical
Answers
Answer:
idek im on the same shi
this for phsycology?
Explanation:
Both the Dead Sea and the oceans contain salt water. The concentration of salt in freshwater is ------ that in salt water. The concentration of salt in the Dead Sea is ------ the concentration of salt in the oceans.
Answers
Salt in freshwater is less than that in salt water, and the concentration of salt in the Dead Sea is greater than the concentration of salt in the oceans.
What is concentration?The ratio of a constituent's abundance to the total volume of a mixture is called concentration. Mass concentration, molar concentration, number concentration, and volume concentration are four different categories of mathematical description.
The Dead Sea has a salinity of 33.7 percent, and the second-saltiest lake in the world is the Dead Sea.
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An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.
Which statement correctly explains this?
Answers
For an organism that has 18 chromosomes in its body cells and its sex cells have 9 chromosomes, the correct statement is C, Its sex cells are haploid and a result of meiosis.
What are haploids?Haploid cells have half the number of chromosomes as diploid cells. Mitosis is a type of cell division that produces two identical daughter cells. Meiosis is a type of cell division that produces four daughter cells, each with half the number of chromosomes as the parent cell.
In the organism described, the body cells are diploid (18 chromosomes) and the sex cells are haploid (9 chromosomes). This is because the sex cells are produced by meiosis, which is a type of cell division that reduces the number of chromosomes by half. This allows the sex cells to combine with each other to form a new diploid cell, which is the beginning of a new organism.
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Complete question:
An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.
Which statement correctly explains this?
Its body cells are haploid and a result of mitosis.
Its sex cells are diploid and a result of mitosis.
Its sex cells are haploid and a result of meiosis.
Its body cells are diploid and a result of meiosis.
How do bacteria cause disease?
O A. By reproducing inside a host cell and causing the cell to break
open
B. By replacing the host cells with bacterial cells
C. By releasing harmful proteins or other poisons into the host's body
D. By injecting DNA into the genome of a host cell
Answers
Answer:
d
Explanation:
Plants can reproduce both sexually and asexually. What are some examples of sexual reproduction in plants? Select ALL that apply. Responses
Answers
Sexual reproduction in plants involves the fusion of male and female gametes to produce offspring with genetic diversity.
Mechanisms that facilitate sexual reproduction in plants are examples:
1)Pollination and Fertilization: Many plants rely on pollinators, such as bees, butterflies, or birds, to transfer pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of flowers.
This process enables the fusion of sperm cells within the pollen with egg cells in the ovules, leading to fertilization.
Examples include flowering plants like roses, sunflowers, and apple trees.
2)Seed Production: After fertilization, the ovule develops into a seed. Seeds contain an embryo, formed by the fertilized egg, enclosed within a protective seed coat.
The mature seeds can disperse and germinate to give rise to new plants.
Various plant groups, including angiosperms (flowering plants) and gymnosperms (conifers and cycads), reproduce sexually through seed production.
3)Alternation of Generations: In plants with a complex life cycle, such as ferns, mosses, and liverworts, sexual reproduction involves an alternation between two distinct generations: the gametophyte and the sporophyte.
The gametophyte generation produces gametes (sperm and eggs) through specialized structures, while the fusion of gametes gives rise to the sporophyte generation, which produces spores.
4)Self-fertilization: Some plants have the ability to self-fertilize, where the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant.
This allows for sexual reproduction without the need for external pollinators. Self-fertilization can be seen in plants like tomatoes, peas, and certain grass species.
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If you owned a large, varied music collection, how might you devise a key to keep track of all your different kinds of music? Present your idea comprehensively.
Answers
Answer: i would keep all my music in safe with a lock on it so tht nobody cant touch it
Explanation: hope this answers your qeustion
The allele for a widows peak hairline is recessive. Mulan has a widows peak. Both of her parents have widows peaks. What is the probability for Mulan to have a widows peak. Create a Punnett square
Answers
Answer:
Based on the information given, we can assume that Mulan's parents are both heterozygous for the widows peak allele, meaning they each carry one dominant allele for a straight hairline and one recessive allele for a widows peak.
Using a Punnett square, we can see the possible combinations of alleles that Mulan could inherit from her parents:(attachment)
Each square represents a possible offspring genotype, with the letters W and w representing the two alleles for widows peak and straight hairline, respectively.
From the Punnett square, we can see that there is a 50% chance for Mulan to inherit the recessive w allele from each of her parents, which would result in her having a widows peak hairline. Therefore, the probability of Mulan having a widows peak is 0.5 x 0.5 = 0.25, or 25%.
according to newtons first law of motion a mass in motion remains in motion unless acted upon by some force true or false
Answers
According to Newton's first law of motion, the answer would be true.
The Newton's first law of motion states that a body will either continue to rest or in motion unless an external force acts on it.
For a body in rest, an external force would be needed to get it movingFor a moving body, an external force would be needed to increase or decrease its velocity or bring it to a rest.The body represents a mass. Hence, that a mass in motion would remains in motion unless acted upon by some force represents a version of Newton's first law of motion.
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Apply: Suppose a template strand of DNA had the following sequence: T A C G G A T A A C T A C C G G G T A T T C A A What would be the complementary strand of mRNA?
Answers
The corresponding nucleotide sequence is present on the coding strand. No complementary sequence exists on the template strand.
What changes occur in complementary strand from template?The DNA strand from which the mRNA is produced is known as the template strand. The DNA strand opposite the template strand is known as the coding, or non-template, strand, and it has the same sequence as mRNA except T to U substitutions.
The template strand, one of the two exposed DNA strands, acts as a model for transcription.
The RNA product is essentially identical to the non template (or coding) strand of DNA and is complementary to the template strand.
Therefore, AUG CCU AUU GAU GGC CCA UAA GUU is the complementary strand of mRNA.
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Mike is studying the phylogenetic tree for big cats.
A big cat phylogenetic tree is shown. A bracket goes to clouded leopard and to another bracket. That bracket goes to 2 additional brackets. One bracket goes to tiger and snow leopard. The other bracket goes to janguar and another bracket. The other bracket has lion and leopard.
He made several statements about the tree. Which statement is not true?
The leopard is more closely related to the jaguar than to the snow leopard.
The leopard is more closely related to the tiger than to the clouded leopard.
The leopard is more closely related to the snow leopard than to the clouded leopard.
The leopard is more closely related to the tiger than to the snow leopard.
Answers
Answer:
D
Explanation:
edg 2022
According to the food which of the following is NOT a carnivore?
O a 2
O b. 1
O c.3
O d.4
Answers
The answer to the question is option c.3
The term carnivore refers to an animal that feeds on flesh or meat. An omnivore is an animal that feeds on both meat and plants. Herbivores, on the other hand, are animals that consume only plant matter. Carnivores are secondary or tertiary consumers in the food chain, while herbivores are primary consumers.
According to the food, herbivores are those that do not eat meat or other animal products.
Therefore, .3 is the answer because it is a herbivore which means it doesn't eat meat. Option a.2, option b.1, and option d.4 are all carnivores since they eat meat.
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A cow is a not carnivore, it is herbivore which means it sustains itself by consuming plants (option C).
What are carnivores?Carnivorous animals are known as devourers of other animals. Positioned dominantly in the intricate web of the food chain, they evade the clutches of predation themselves.
Equipped with incisive fangs and formidable claws, these creatures embark on relentless hunts, seizing their prey with lethal precision. Their acute olfactory senses aid in the relentless pursuit of their quarry. Within the ecosystem, carnivores assume a pivotal role, diligently regulating the population dynamics of other organisms, ensuring a delicate equilibrium.
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See the attached image for complete question.
Select the statements that explain why duplication is a driving force for evolution and the generation of new genes.
a. Genes duplicate and then diverge from the original sequence to create multigene families.
b. Duplication of a chromosomal region always results in novel gene functions.
c. Changes in gene function can occur when random fixed mutations are introduced into a new chromosomal environment.
d. Duplicated genes provide extra copies of DNA that are not constrained by an essential function.
Answers
Answer:
The correct statements are - a, c, and d.
Explanation:
Gene duplication delivers new genes and families of genes due to some arbitrary changes over some undefined time frame.gene duplication at various locations can create new genes with either advantageous or unsafe impacts. Arbitrary changes can prompt an additional duplicate of DNA bringing about dosage compensation where the deciding mutations can be lost.
Gene and genome duplications give a source of hereditary material for mutation, float, and selection to work on, making new evolutionary opportunities conceivable. Accordingly, many have contended that genome duplication is a prevailing element in the development of the evolution of complexity and diversity.
Thus, the correct answer is - a, c, and d.
What is chrosome ? (Definition in own words )
Answers
Answer:
A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA
Explanation:
:)
Answer:
a chromosome is a long DNA molecule with part or all of the genetic material of an organism. most eukaryotic chromosomes include packaging proteins called histones which aided by chaperone proteins bind to and condense the DNA molecule to maintain its integrity.
Two populations have been geographically isolated from each other for many generations.
Which statement is most likely correct about the two populations?
O They can still produce viable offspring with each other.
O They can't reproduce with each other.
O They look very similar to each other.
O Their gene pools are highly similar.
Answers
Answer:
The most likely correct statement about the two populations that have been geographically isolated from each other for many generations is "Their gene pools are highly dissimilar."
When populations are geographically isolated from each other, they are unable to interbreed, therefore, they evolve independently from each other. Over time, different selection pressures and mutations cause genetic differences to accumulate between the two populations. These genetic differences will become evident when the two populations are brought back together. If the genetic differences are large enough, the two populations may no longer be able to interbreed and produce viable offspring.
The product of Vidya's height and 7 is 112.
Answers
If the product of Vidya's height and 7 is 112, then Vidya's height would be 16.
Word problemThe problem here is how to translate the word problem into an equation.
Vidya's height is an unknown variable.
Let us assume that Vidya's height is Y. The product of Vidya's height and 7 is 112.
Thus:
Y (Vidya's height) x 7 = 112
7y = 112
We now have an algebraic equation in our hands. Let's solve for Vidya's height:
7Y = 112
Dividing both sides by 7, we have:
Y = 112/7
Y = 16
In other words, Vidya's height is 16.
Check: 16 x 7 = 112
The complete question: The product of Vidya's height and 7 is 112. Translate the sentence into an equation.
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A scientist is conducting research to see whether dogs or cats are more popular. He goes to a dog park and asks all of the owners which pet they prefer. 100% of those polled stated that dogs are their favorite animal.
This experiment is an example of:
A) personal bias
B) experimental bias <<<<
C) cultural bias<<<<
D) a controlled experiment
PLEASE CHECK
Answers
Answer:
It is a controlled experiment. (D)
Explanation:
The reason why is because a scientist went to a dog park to conduct the experiment, there would be no cat owners there so obviously everyone would choose dogs because that is their pet. The scientist ran a controlled experiment.
How is mitosis different in plants and animals? A. In animals, the cell membrane pinches together. B. In plants, the DNA is one circular chromosome. C. In animals, a new cell wall forms. D. In plants, there are no sister chromatids.
Answers
Answer:
A is the correct answer
Explanation:
In animals, the cell membrane pinches together
Describe how you might figure out if something was made out of cells.
Answers
Answer:All living organisms are composed of cells, from just one to many trillions, whose details usually are visible only through a microscope.
Explanation:
To determine if something is made out of cells, several approaches can be employed, including microscopic and biochemical assays for physical and chemical assessments.
Visual inspection using a microscope can reveal the presence of cell-like structures, such as membranes, nuclei, or organelles. Staining techniques, such as fluorescent dyes or immunohistochemistry, can further enhance the visibility of cellular components.
DNA analysis can also be conducted by extracting genetic material from the sample and performing sequencing or polymerase chain reaction (PCR) to detect DNA specific to cells.
Biochemical assays can be used to identify cellular components, such as proteins or enzymes, which are characteristic of cell composition.
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If a strand of
DNA reads ATC
C, what would
the other side
read?
Answers
Answer:
TAGG
Explanation:
Adenine always pairs with thymine and cytosine always pairs with guanine
__________ give you energy and help you feel satisfied after eating.
Answers
Animals, including humans, derive chemical energy from their food to support their metabolism, including their muscular activity.
What is the source of energy from food?The majority of animals get most of their energy via aerobic respiration, which involves mixing carbs, lipids, and proteins with air or water-based oxygen.
Cells release energy from nutrients through the process of respiration. The majority of the time, glucose has already been produced from the food.
Because they work quickly and provide energy as soon as they are taken, carbohydrates—which have 4 kcal per gram—are the foods that are used as an energy source the most frequently.
Therefore, food give you energy and help you feel satisfied after eating.
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Which plant part is abundant in leaves and capture the sun’s energy for photosynthesis?
1. chloroplasts
2. phloem tissues
3. petioles
4. xylem tissues
Answers
Answer:
1. Chloroplasts are abundant in leaves and capture the sun's energy for photosynthesis
Explanation:
Chloroplasts have chlorophyll and photosystems, allowing them to capture the sun. They are also abundant in leaves.