Fertilization usually occurs in the
Group of answer choices
vagina
uterus
fallopian tubes
ovaries
Answers
Fertilization usually occurs in the fallopian tubes, which connect the ovaries to the uterus. Fertilization happens when a sperm cell successfully meets an egg cell in the fallopian tube.
Where does fertilization usually occur?After sperm is released into the female reproductive tract, the motile sperms swim through the vagina to the cervix, then to the uterus, and finally to the fallopian tube. The fallopian tube is divided into three sections: the infundibulum, ampulla, and isthmus. The infundibulum is a funnel-shaped portion of the fallopian tube with finger-like projections known as fimbriae along its edges. The ampulla is the larger part of the fallopian tube following the infundibulum. The isthmus is a narrow region of the fallopian tube that connects the fallopian tube to the uterus. Sperm moves from the isthmus to the ampulla. The fimbriae of the infundibulum collect the egg. Fertilisation occurs in the fallopian tube's ampullary region.To learn more about fallopian tubes refer :
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Answer:
fallopian tubes!!
Related Questions
what did Chargaff find about the proportion of each of these bases in DNA?
Answers
Chargaff discovered that the proportion of each base in DNA follows specific rules, now known as Chargaff's Rules.
These rules state that the amount of adenine (A) is equal to the amount of thymine (T), and the amount of cytosine (C) is equal to the amount of guanine (G). In other words, A=T and C=G. This finding was crucial in understanding the structure and function of DNA.
Chargaff's rules state that in the DNA of any species and any organism, the amount of guanine should be equal to the amount of cytosine and the amount of adenine should be equal to the amount of thymine.
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Examine the assumption.
Assumption: Fatty foods are harmful to human health.
Which statements accurately describe how the assumption affects scientific thinking?
(Select all that apply.)
A. Because scientists think fatty foods are harmful to human health, they tell nutritionists to recommend diets low in fat.
B. Because scientists think fatty foods are harmful to human health, they tell nutritionists to recommend diets with equal amounts of fats, carbohydrates, and proteins.
C. Because scientists think fatty foods are harmful to human health, they tell nutritionists to recommend diets high in fat.
D. Because scientists think fatty foods are harmful to human health, they tell nutritionists to recommend diets without fat.
Answers
Answer:
I think 'B' is the answer ✌
What are alleles?
Explain
Answers
Pls answer it guy.. It is in the picture tap it to see the full picture
Answers
__________________________________________________________
6- Parasitism; is Symbiotic Relationship in which one the parasite, lives on or inside another organism which is called the host causing it some harm. Parasite is benefitted and Host is harmed
7- Commensalism; is an association between two organisms in which one benefits and the other derives neither benefit nor harm.
8- Predator; is an animal that eats other animals
9- Mutualism; is a relationship between two organism where both of them are benefitted
10- Prey; gets eaten by the predator
11- Symbiosis; is A long term relationship
_____________________________________Best Regards,
"Borz"
A woman heterozygous for polydactyly (extra fingers and toes), a dominant trait, is married to a normal man. What is the probability of producing an offspring that has extra fingers or toes?
Answers
Answer:
The correct answer is -50%
Explanation:
Polydactyly is a dominant trait where a person gets an extra finger or toes the dominant allele is represented by P = allele for polydactyly, and the recessive allele represented by p = normal allele
So, the heterozygous woman will be - Pp & the normal man will be - pp. The presence of one allele of polydactyly will be able to show its effect as it is dominant.
Cross between heterozygous woman & normal man:
Gametes:
P p
p Pp (Show polydactyly) pp (Normal phenotype)
p Pp (Show polydactyly) pp (Normal phenotype)
From the above Punnett square, the probability of an offspring that has extra fingers or toes will be 1/2 or 50%.
Polydactyly is a condition that occurs wherein individuals have more than the normal amount of fingers and toes. It is also a genetic condition and as well heritable.
The probability of producing an offspring with extra toes or fingers in a cross between an heterozygous and a normal is 50%.
Let P represent the dominant and p the recessive
Pp (heterozygous) and pp (normal)
(woman) P p
(man) p Pp pp
p Pp pp
50% 50%
Therefore, the probability of producing an offspring with extra toes or fingers (Pp) is 50%.
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when binding of the inducer to the repressor causes a conformational change, which then prevents the repressor from binding to dna, the repressor is called a(n) protein.
Answers
When the binding of the inducer to the repressor causes a conformational change, which then prevents the repressor from binding to DNA, the repressor is called an allosteric protein.
A protein that has an effector that controls its activity by acting on a site that is physically apart from the protein's ligand-binding site is said to be allosteric.
A chemical that controls the expression of genes is an inducer. An inducer works in two different ways, namely:
Via turning off repressors. An inducer binds to the repressor, which causes the gene to be expressed. The repressor cannot bind to the operator because of the inducer's binding to the repressor.By tying up with activators. Absent an inducer, activators often bind activator DNA sequences weakly. The complex formed by the binding of the activator and inducer to the activation sequence activates the target gene. Transcription is halted by removing the inducer.Repressor proteins attach to the DNA strand and stop RNA polymerase from joining to the DNA and producing mRNA. Repressors are altered by the binding of inducers, which prevents them from binding to DNA.
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glucose and sugars in dna and rna group of answer choices have the same structural formulas. are the two components of sucrose. are both components of rna. have the same number of carbon atoms. are monosaccharides.
Answers
Glucose and fructose are both monosaccharides that are combined to form the disaccharide sucrose, which is also known as table sugar.
Monosaccharides are simple sugars that have the same number of carbon atoms as they have aldehyde or ketone functional groups. They are single-chain polyhydroxy aldehydes or ketones. Depending on the number of carbon atoms in the molecule, monosaccharides can be classified into trioses, tetroses, pentoses, hexoses, and so on. Glucose and fructose, which both contain six carbon atoms, are examples of hexoses. Both RNA and DNA molecules are polymers of nucleotides, which are composed of a sugar, a nitrogenous base, and a phosphate group. Ribonucleic acid (RNA) contains the sugar ribose, which has five carbon atoms, whereas deoxyribonucleic acid (DNA) contains the sugar deoxyribose, which also has five carbon atoms. Thus, neither DNA nor RNA contains glucose or fructose.
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Negative words to describe biology
Answers
When discussing biology, some negative words can be used to express challenges, limitations, or negative aspects linked with the subject are:
ComplexityLimitationsInvasiveDegeneration, etc.What is biologyBiology, as a experimental field, is vast and encompasses the study of living structures and their processes.
While biology is mainly associated with positive areas such as understanding growth, exploring ecosystems, and boosting medical information, Biology deals with elaborate systems and processes, that can make understanding and studying sure aspects disputing.
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what evidence is there that dinosaurs brooded their eggs and tended their young long after they hatched?
Answers
Answer:
there is evidence from fossils and trackways that suggest some species of dinosaurs may have exhibited that behavior and tended to their young after they hatched, sycamore as fossilized nests and embryos found in different parts of the world
Explanation:
The two processes of using DNA to make mRNA and then using mRNA to make a functional protein are:
1) gene regulation and gene expression, respectively.
2) gene expression and gene regulation, respectively.
3) transcription and translation, respectively.
4) translation and transcription, respectively.
Answers
Answer:
gene expression and gene regulation, respectively
Explanation:
Cause i did this beofre
The solute potential of a plant cell is -10 bar, and its pressure potential is 3. The plant cell is placed into a solution with a water potential of -10 bar.
What is the water potential of the cell, and in which way will water move?
Answers
The water potential of the cell would be -7 bar and thus, water will move from the cell to the surrounding solution.
Recall that:
Water potential = pressure potential + solute potential
For the plant cell, solute potential = -10, pressure potential = 3
Water potential of the cell = 3-10
= -7 bar
The water potential of the cell is -7 bar while that of the surrounding solution is -10 bar. Thus, the cell has a higher water potential than the surrounding solution.
Recall that water usually moves from the region of high to the region of low water potential. Therefore, water will move from the cell to the surrounding solution.
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In a sentence, write one interesting fact about plant, animal and bacterial cells.
Answers
Answer:
Animal cells are typically large, specialized eukaryotic cells they contain a nucleus and numerous organelles.
Explanation:
An agent that counteracts the development, growth, or spread of malignant cells is called a(n) Select .
Answers
An agent that counteracts the development, growth, or spread of malignant cells is called an anticancer agent.
An anticancer agent refers to any substance or treatment that inhibits or suppresses the development, growth, or spread of malignant cells, which are cancerous cells. These agents can take various forms, including drugs, therapies, or interventions, and they are specifically designed to target and disrupt the processes involved in cancer cell formation and progression.
Anticancer agents work through different mechanisms, such as:
1. Inhibition of Cell Division: They can disrupt the cell cycle, preventing cancer cells from dividing and proliferating.
2. Induction of Apoptosis: Anticancer agents may trigger programmed cell death (apoptosis) in cancer cells, leading to their elimination.
3. Targeted Molecular Interactions: Some agents are designed to interact with specific molecular targets involved in cancer cell signaling or growth, effectively inhibiting their function.
4. Suppression of Blood Vessel Formation: Anticancer agents can hinder the formation of new blood vessels (angiogenesis) that supply nutrients to tumors, limiting their growth.
5. Enhancement of Immune Response: Certain agents can stimulate the immune system to recognize and eliminate cancer cells more effectively.
The field of anticancer research and treatment is vast and continually evolving, with various approaches and agents being developed to combat cancer. The ultimate goal of anticancer agents is to improve patient outcomes by inhibiting the malignant cell processes, promoting tumor regression, and increasing overall survival rates.
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Do you think this should be the slogan for a meeting of global leaders who are trying to improve the world? After you have stated your decision, provide 2 pieces of evidence and reasoning to support your claim. You may use evidence from the World Data Sets or any of the other lessons we have completed in class so far (found on google classroom).
Answers
Answer:
I wouldn't copy and paste test questions on here.
Explanation:
Matter that has the same composition and properties throughout is called a(n) ____.
Answers
Answer:
Explanation:
answer substance
Your kitchen is full of plants from different classes. Identify five different plants (or fruits of those plants, or products of those plants) and their class.
Answers
What does sow the seeds of victory mean?
Answers
The seeds of victory are actions that will result in something happening in the future.
During World Military I, the campaign "Will You Have a Part in Victory?" encouraged Americans to cultivate war gardens. It appeared in the book "War Garden Victorious," written by Charles Lathrop Pack, head of the National War Garden Commission in World War I. The book is a thorough overview of the First World War victory gardening initiative. Pack's book contains copies of posters, brochures, and images of gardens from throughout the country. It has 179 pages and is 5.5" x 9" in size (13.97 x 22.86 cm).
During World War I (1914-1918), many Americans established gardens to boost their food supply and help the war effort. The gardens were dubbed "victory gardens" towards the end of the war. During World War II (1941-1945), Americans planted "victory gardens" once more. The gardens were heavily supported by the government & business, both to aid the military effort and to alleviate food shortages through rationing.
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During noncyclic photosynthesis, photosystem I functions to , and photosystem II functions toa. synthesize ATP; produce O2b. reduce NADP+, oxidize H2Oc. reduce CO2, oxidize NADPHd. restore an electron to its reaction center; gain an electron from water
Answers
During noncyclic photosynthesis, photosystem I functions to __, and photosystem II functions to__ option c. reduce CO2, oxidize.
The second protein complex engaged in the light-dependent activities of photosynthesis is called Photosystem I, and it is a multi-subunit protein complex that is embedded within the thylakoid membrane of chloroplasts. The protein complex uses light energy to drive the reduction of NADP to NADPH and the passage of electrons across the thylakoid membrane.
The two photosystems, photosystem I and photosystem II, are membrane protein complexes with many subunits that take part in oxygenic photosynthesis. Chlorophyll is the pigment that is primarily responsible for absorbing light energy. Thus, a pigment process or photosystem is used to describe it.
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The population density of a certain 750 square mile area in 1980 was 1077 people per square mile. In 1990, the population density was 1137 people per square mile. In 2000, the population density was 1144 people per square mile. In 2010, the population density was 1193 people per square mile. What was the population of this area in 1980?
A. The population was 807240 people.
B. The population was 807590 people.
C. The population was 807750 people.
D. The population was 807710 people.
Answers
Answer:
c the population was 807,750
Explanation:
750×1077=807,750
When the body has low oxygen levels in the blood, usually due to respiratory disorders or heart conditions, this condition will result:
Answers
When the body has low oxygen levels in the blood, usually due to respiratory disorders or heart conditions, the condition will result in Hypoxia.
Hypoxia is a medical condition in which the body tissues are deprived of oxygen. The condition is caused by a lack of oxygen in the blood, which can be due to respiratory disorders or heart conditions. The severity of hypoxia depends on how low the oxygen level is in the blood and how long the condition lasts.
Hypoxia can be caused by a variety of factors, including:
Respiratory disorders: Any condition that affects the lungs and respiratory system can cause hypoxia. Examples include chronic obstructive pulmonary disease (COPD), pneumonia, asthma, and emphysema.
Heart conditions: Conditions that affect the heart, such as heart failure, can cause hypoxia.
Blood disorders: Conditions that affect the blood, such as anemia, can reduce the oxygen-carrying capacity of the blood and cause hypoxia.
High altitude: At high altitudes, the air pressure is lower, which means there is less oxygen available. This can cause hypoxia if a person is not acclimatized to the altitude.
Carbon monoxide poisoning: Carbon monoxide is a poisonous gas that can prevent the blood from carrying oxygen, which can cause hypoxia.
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exposure to bright light causes the select one: a. suprachiasmatic nucleus to increase the pineal gland's production of melatonin. b. thyroid gland to increase the production of melatonin. c. suprachiasmatic nucleus to suppress the pineal gland's production of melatonin. d. thyroid gland to suppress the production of melatonin.
Answers
Exposure to bright light causes the c. suprachiasmatic nucleus to suppress the pineal gland's production of melatonin. The pineal gland in the brain releases the hormone melatonin in response to variations in light.
The suprachiasmatic nucleus (in the hypothalamus) relays information about light exposure to the retina and suppresses the release of melatonin. As a result, melatonin is produced in response to times of darkness, with nighttime levels being higher. The hormone melatonin is in charge of synchronizing circadian rhythms and controlling the body's sleep cycle. Bright light (especially those with blue wavelengths) suppresses the release of melatonin, so levels rise at night. Melatonin secretion learns to anticipate the beginning of night and the approach of day over an extended length of time. Melatonin levels naturally decline with aging, changing elderly people's sleeping habits.
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lichens may consist of a symbiosis between members of two different domains. select the two domains from the list below.
Answers
Lichens are unique organisms that result from a symbiotic relationship between members of two different domains.
The two domains involved in this symbiosis are the fungi domain (Fungi) and the photosynthetic domain (Algae or Cyanobacteria).
1. Fungi. Lichens consist of fungal hyphae, which provide a protective structure for the entire organism. The fungal component of lichens absorbs and retains water, nutrients, and minerals from the environment, creating a suitable habitat for the partnership. 2. Algae or Cyanobacteria. The second component of lichens is either algae or cyanobacteria. These photosynthetic organisms provide the energy through photosynthesis. Algae can be green algae (Chlorophyta), brown algae (Phaeophyta), or blue-green algae (Cyanobacteria). Cyanobacteria are prokaryotes that can perform photosynthesis.The symbiotic relationship between fungi and algae or cyanobacteria in lichens is mutualistic, meaning both organisms benefit from the partnership. The fungi provide a protected environment and absorb nutrients, while the algae or cyanobacteria contribute to the production of organic compounds through photosynthesis. This collaboration allows lichens to thrive in diverse environments, including harsh conditions such as deserts and arctic regions. Lichens play essential ecological roles, such as soil formation, nitrogen fixation, and serving as a food source for various organisms. In summary, lichens consist of a symbiotic relationship between fungi and either algae or cyanobacteria. This partnership enables lichens to survive and thrive in various environments, showcasing the interdependence between different domains of life.
About Symbiosis
Symbiosis is any type of long-term and close biological interaction between two different biological organisms, be it mutualism, commensalism or parasitism. The organisms involved, each called a symbiont, may be from the same or different species. Three Symbiosis That Occurs in Life. Mutualism, Commensalism, and Parasitism. Mutualism symbiosis. Mutualism symbiosis is a relationship between two organisms of different types but mutually beneficial to each other. Commensalism symbiosis. Parasitism symbiosis.
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The Southeast region of the United States has a longer growing season than the Northeast because of its
A) climate.
B) landforms.
C) resources.
D) weather.
Answers
how is support attained in herbaceous plant
Answers
Answer:
HERBACEOUS PLANTS• Support is provided by the turgidity of parenchyma & collenchyma cells & xylem tissues. Parenchyma cells are filled with water turgid• Collenchyma cells have unevenly thickened cellulose walls which provide support in stem & the midrib of the leaves.
hope this answer helps you.....
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What part of the microscope is used to move an objective lens into place?
Answers
Answer:
The ocular micrometer has no units. Revolving Nose Piece - Several objective lenses of varying magnification and numerical aperture are mounted on the revolving nosepiece. The nosepiece must click into place for the objective lens to be in proper alignment.
Which biome is found at the equator on every continent? A. Tropical Rainforests B. taiga/coniferous forests D. Mediterranean/chaparral
Answers
D.
Mediterranean/chaparral
Hurry Please! (In your own words)
What is the difference between passive transport and active transport?
Answers
Answer:
Active transport requires chemical energy because it is the movement of biochemicals from areas of lower concentration to areas of higher concentration. On the other hand, passive transport moves biochemicals from areas of high concentration to areas of low concentration; so it does not require energy
A tumor is:
unregulated cell division in the body.
regulated cell division in the body.
a lineage of genetically identical individuals or cells.
a mass of cells that does not serve a function in the body.
Answers
Answer: it's kind of options a and d together. A tumor is an abnormal mass doesn't serve any function and it results from an excessive cell division
Are the genes on a recombinant chromatid the same as the original chromatid?
Answers
No, the genes on a recombinant chromatid are not the same as the original chromatid. Chromosomal recombination occurs during meiosis and results in the exchange of genetic material between homologous chromosomes.
define chromosomes ?
Chromosomes are cell structures that contain genetic material arranged into long strands of DNA that provide the instructions for an organism's growth and function. They are the physical bearers of genes, the units of genetic information, and arrive in pairs, with one chromosome from each parent. Humans contain 23 chromosomal pairs, for a total of 46 chromosomes. The number and order of chromosomes differs from species to species.
No, the genes on a recombinant chromatid are not the same as the original chromatid. Chromosomal recombination occurs during meiosis and results in the exchange of genetic material between homologous chromosomes. This exchange leads to the creation of new combinations of genes on the resulting recombinant chromatids, which are different from the original chromatids.
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NEED HELP ASAP!!!! A change in the internal or external environment of the body that result in a reaction in the nervous system is called a......