4. Which is not a common poison?
Answers
Answer:
Do you have the options?
Related Questions
Louis Pasteur proved that all new cells come from preexisting ones. What
concept did Pasteur's experiments disprove?
A. Germ theory
B. Cell theory
C. Spontaneous generation
D. Virchow's postulates
Answers
Answer:
Virchow s postulates
.
Explanation:
describe the relationship between biotic and abiotic factors in marine ecosystems.
Answers
You are analyzing the plasma membrane from a new species of prokaryotes that you discovered. You are trying to determine which domain to place the cells in. They have ether phospholipid linkages, isoprene hydrophobic groups, and a monolayer design to the plasma membrane. Which domain should they be placed into
Answers
The domain in which this species can be placed is Archaea. It is one of the two prokaryotic domains.
Prokaryotes and ArchaeaProkaryotic organisms are single cells organisms that do not have organelles or cell nuclei.
The procaryotic microorganisms include both the Bacteria domain and Archaea domain.
Archaea are microorganisms that were originally classified as bacteria, but they have unique features.
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The human skeletal system has many important functions, including movement. As a person ages, movement can become difficult. Ligaments become less elastic and cartilage is damaged. 7. Considering the function of ligaments, explain why less elastic ligaments could cause movement to be difficult. 8. Considering the function of cartilage, explain why damaged cartilage could cause movement to be difficult. 9. Identify two functions of the skeletal system besides movement.
Answers
Damage or destruction of cells of the parafollicular cells of the thyroid gland would be demonstrated by ________.
a. decreased blood glucose levels
b. increased blood calcium levels
c. decreased thyroxine levels
d. decreased blood calcium levels
Answers
Option D is correct. Damage or destruction of parafollicular cells of the thyroid gland would be indicated by decreased blood calcium levels.
The parafollicular cells of the thyroid gland, also known as C cells, are responsible for producing calcitonin, a hormone that helps regulate blood calcium levels. Calcitonin works by inhibiting the activity of osteoclasts, which are cells involved in breaking down bone tissue and releasing calcium into the bloodstream.
When the parafollicular cells are damaged or destroyed, the production of calcitonin is reduced or halted, leading to a decrease in its levels in the bloodstream. As a result, without sufficient calcitonin to inhibit osteoclasts, bone breakdown and calcium release may continue unabated, causing an increase in blood calcium levels. Therefore, the correct answer is option d: decreased blood calcium levels.
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If the quantities of the four bases in a DNA molecule are measured, we find that
A) A = C and G = T.
B) A = G and C = T.
C) T = A and C = G.
D) no two bases are equal in amount.
E) all bases are equal in amount.
Answers
If the quantities of the four bases in a DNA molecule are measured, we find that no two bases are equal in amount, option D is correct.
Adenine (A), cytosine (C), guanine (G), and thymine (T) are the four bases that make up DNA. In a DNA molecule, the number of adenine bases is always equal to the number of thymine bases, and the number of cytosine bases is always equal to the number of guanine bases.
This is known as Chargaff's rule. However, it does not imply that any two bases are equal in amount. Instead, it means that the amount of A is equal to the amount of T, and the amount of C is equal to the amount of G, option D is correct.
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What are two examples of nuclei acids?
Answers
Answer:
dna
and
rna
are the two types
Answer:
if you mean nucleic acids the answer is deoxyribonucleic acid (DNA)and ribonucleic acid(RNA) the monomers for these acids are A, G, C, T, and U,( u is only found within RNA not within DNA the uracil replaces the thymine )
Explanation:
if recombinant dnase i is added to a vial of respiratory secretions from a cystic fibrosis patient, which result would indicate that the recombinant dnase i is functional?
Answers
Addition of recombinant DNase I to vials of respiratory secretions from cystic fibrosis patients decreased the viscosity of the secretions, indicating that recombinant DNase I is working.
Deoxyribonuclease (DNase) enzymes achieve a variety of important cellular functions by downgrading DNA by hydrolysis of the phosphodiester backbone. Deoxyribonuclease I (DNase I) enzymes cleave single- or double-stranded DNA and require divalent metal ions to hydrolyze DNA, producing 3 ΄-hydroxyl and 5 ΄-phosphorylated products. to generate
Airway clearance therapy (ACT) and recombinant human deoxyribonuclease (rhDNase) nebulization are the most commonly used methods for sputum mobilization. rhDNase cleaves extracellular DNA, reduces sputum viscosity, and transforms sputum from a non-flowing viscous gel to a fluid liquid.
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Help me please on this question
Answers
It will take 700 years for the area to be uplifted a total of 70 centimeters.
The correct option is D.
What are geologic surveys?A geological survey can be described as a the systematic investigation of the geology beneath a given piece of ground for the purpose of creating a geological map or model.
From the equation, we have
Time 1= 50 years
area 1= 5cm
time 2=?
area 2 = 70cm
To get the time for the 70 cm area to be uplifted, we do as follows
Time= (Area 2* Time 1)/ area 1
Time 2= (70*50)/5
Time 2= 700 years
In conclusion, one of the main reasons for geological survey is for the purpose of studying the composition of materials that compose the earth.
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Hello, I need help with this question could anyone assist?
Answers
Answer: i belive its B
partial credit given. Go outside and collect a small amount of soil in the containers supplied. You will probably be more successful if you select soil from a vegetated area. Use your soil to prepare a wet mount following the directions you were given in class. Try to use 2 mm' of soil. To help you visualize this, draw two "3d" boxes, each representing a cubic millimeter, actual size, here: Use your microscope to examine the entire area under your coverslip. Count all the nematodes you see. how many cubic mm are in I cm ? How many nematodes were in your mm' of soil? What is your calculated number of nematodes per cubic mm? Based on your data, how many nematodes would you calculate there to be in a cubic centimeter of soil? How many would you calculate there to be in a cubic meter of soil?
Answers
There are 1,000 cubic millimeters (mm³) in 1 cubic centimeter (cm³). This is because 1 cm is equal to 10 mm, and when you calculate the volume of a cube, you raise the length of each side to the power of 3.
To determine the number of nematodes in your mm² of soil, you need to count them under the microscope. Let's say you counted 10 nematodes in your mm².
To calculate the number of nematodes per cubic millimeter (mm³) of soil, you need to know the depth of the soil you examined. If you used 2 mm of soil, the calculation would be: (Number of nematodes in mm²) / (Volume of soil in mm³) = 10 nematodes / (2 mm x 1 mm x 1 mm) = 10 nematodes / 2 mm³ = 5 nematodes per mm³.
To calculate the number of nematodes in a cubic centimeter (cm³) of soil, you would use the same ratio of nematodes per mm³. Since there are 1,000 mm³ in 1 cm³, the calculation would be: (Number of nematodes per mm³) x (1,000 mm³) = 5 nematodes/mm³ x 1,000 mm³ = 5,000 nematodes per cm³.
To calculate the number of nematodes in a cubic meter (m³) of soil, you would again use the same ratio. Since there are 1,000,000 cm³ in 1 m³, the calculation would be: (Number of nematodes per cm³) x (1,000,000 cm³) = 5,000 nematodes/cm³ x 1,000,000 cm³ = 5,000,000,000 nematodes per m³.
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If this truck was filled with 100 moles of sand, is there a way to determine the number of particles of sand in the truck? Explain.
Answers
Yes, it is possible to determine the number of particles of sand in truck if the molar mass of the sand is known.
How to determine the number of particles of sand in the truck?The number of moles of a substance can be calculated using mass of the substance and its molar mass. Since we know that there are 100 moles of sand in truck, we can use this information to determine the mass of the sand.
Once the mass of the sand is known, we can use the molar mass of sand to calculate number of particles of sand in the truck. Molar mass of sand can be calculated by adding atomic masses of the elements in sand in the ratio of molecular formula.
Using Avogadro's number, we convert the number of moles of sand to the number of particles of sand in the truck.
So, if we know molar mass of the sand, we can determine number of particles of sand in truck using the following formula: Number of particles of sand = (mass of sand / molar mass of sand) x Avogadro's number.
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You test a compound that will causes the inner mitochondria membrane to be leaky to ions, what would the expected outcome for the cell? Select the best answer. a) The ATP synthase enzyme would relocate to the outer mitochondrial membrane. b) The cell would generate more then 38 ATP per mole of glucose. c) high levels of lactate will be form in the cytoplasm. d) No carbon dioxide will be generated. e) The transport of electrons across the inner mitochondrial membrane would not occur. e) Very little ATP will be form from oxidative phosphorylation.
Answers
The expected outcome for the cell, if a compound causes the inner mitochondrial membrane to be leaky to ions, would be: e) Very little ATP will be formed from oxidative phosphorylation.
The inner mitochondrial membrane is crucial for the process of oxidative phosphorylation, which is responsible for the majority of ATP production in the cell. By making the inner mitochondrial membrane leaky to ions, the membrane potential required for ATP synthesis would be disrupted. This would hinder the flow of electrons through the electron transport chain, reducing the production of ATP through oxidative phosphorylation.
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Which term is defined as food components such as fibers that are not digested by the human body but are used as food by the GI bacteria to promote their growth and activity?
a. postbiotics
b. probiotics
c. abiotics
d. prebiotics
e. symbiotics
Answers
The term defined as food components such as fibers that are not digested by the human body but are used as food by the GI bacteria to promote their growth and activity is prebiotics.
WHAT ARE PREBIOTICS?Prebiotics are food components like carbohydrates and fibres that feed the beneficial bacteria in human gut.
Humans don’t normally digest prebiotics directly, however, the microbes in our gut can use them for their growth and development.
Therefore, the term defined as food components such as fibers that are not digested by the human body but are used as food by the GI bacteria to promote their growth and activity is prebiotics.
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solve for A
P=a-b-1
this is for math I didn't mean to click science
Answers
When you solve the equation for A, you are making A the subject of the equation. It becomes A = B + 1 + P.
Change of subject of equationsChanging the subject of an equation for a specific component requires the component is made the subject.
In the equation: P = A - B - 1
In order to make A the subject, it has to be carried across the other side of the equation. When this is done, we will have:
P - A = -B - 1
Next would be to move P to the other side of the equation. When you move P to the other side, we have:
- A = -B - 1 - P
Divide both sides by negative in order to cancel out the - sign on A. What we will have left is:
A = B + 1 + P
Thus, when A is made the subject of the equation, it becomes A = B + 1 + P.
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If in an equation, P=A-B-1, solve for A.
Choose the statement that describes correctly the following
figure.
19
A. Both of circuits W and X are connected in series.
B. Both of Circuits X and Z are connected in parallel
C. Both of Circuits X and Y are connected in parallel.
D. Both of Circuits W and Z are connected in series.
Answers
Explanation:
figure please? I can't see any figure
What type of bond holds the nitrogen bases together across the DNA's two
strands of nucleotides? *
Covalent
Peptide
Nitrogen
lonic
O Hydrogen
Answers
Answer:
Hydrogen
Explanation:
2 between A-T and 3 between G-C
What is the greatest threat humans pose to biodiversity?
Answers
Answer:
habitat loss, over-harvesting, and introduction of exotic species
Explanation:
The way that people have altered natural environments to create room for farms or to collect natural resources has posed the greatest harm to biodiversity yet, but as climate change intensifies, it will have a rising influence on ecosystems.
What is biodiversity loss?The term "biodiversity loss" describes the decline in biodiversity brought on by the extinction or relocating of species. Some people might not consider the extinction of a certain species to be significant, especially if it is not a charismatic species such as the Bengal tiger or the humpback dolphin.
However, according to estimates from scientists, the present pace of species extinctions is several times higher than the background, or average, rate seen throughout Earth's history. Within our lifetimes, this amounts to the extinction of tens of thousands of species.
The breakdown of ecosystems is anticipated to have drastic repercussions on human welfare. Because of the intricate relationships between species, a loss of biodiversity may have a ripple effect on ecosystems.
One species' extinction, for instance, may result in the extermination of another. Scientists evaluate which species are in danger of extinction as well as the state of the ecosystems to gauge the loss of biodiversity.
Therefore, the way that people have altered natural environments to create room for farms or to collect natural resources has posed the greatest harm to biodiversity yet, but as climate change intensifies, it will have a rising influence on ecosystems.
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Why is it important that the phospholipid has both hydrophilic and hydrophobic
regions?
Answers
Answer:
The formation of a micelle is a response to the amphipathic nature of fatty acids, meaning that they contain both hydrophilic and hydrophobic regions.
Explanation:
Biological membranes remain fluid because of the unsaturated hydrophobic tails, which prevent phospholipid molecules from packing together and forming a solid.
The Smiths went to dinner at Cheesecake Factory and their bill was $123.75 plus 7.5% sales tax. What is the total bill? Round to the nearest cent.
Answers
The total bill that was given to the Smiths at the Cheesecake factory was $133.03
An equation is an expression used to show the relationship between two or more numbers and variables.
Given that the Smiths bill was $123.75 plus 7.5% sales tax. Hence:
Total bill = $123.75 + Sales tax
Sales tax = 7.5% of bill = 0.075 * $123.75 = $9.28
Total bill = $123.75 + $9.28 = $133.03
The total bill that was given to the Smiths at the Cheesecake factory was $133.03
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The paramecium is a single-celled organism that reproduces asexually. The offspring of a paramecium usually contain
Answers
Asexual reproduction is used by the single-celled organism known as the paramecium.
The offspring of a paramecium usually contain (3) genetic materials identical to that of the parent cell.
In asexual reproduction, the offspring are produced by cell division without the involvement of sexual reproduction. This means that the offspring are genetically identical to the parent cell, as they are created by the division of a single parent cell into two or more daughter cells. The genetic material of the parent cell is replicated and passed on to the offspring, so the offspring will have the same DNA as the parent cell.
It is important to note that if mutations are present in the parent cell, they will also get passed to the offspring and the mutations will be present in the descendant cells as well.
The complete question is:-
The paramecium is a single-celled organism that reproduces asexually. The offspring of a paramecium usually contain
(1)only half of the genes of the parent cells
(2)more DNA than the parent cell
(3)genetic material identical to that of the parent cell
(4)fewer mutations than the parent cell
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Which function requires the muscular, skeletal, and nervous systems to work together
A movement of appendages
B absorption of nutrients
Answers
Answer:
A
Explanation:
All systems work together to do-- anything really. Especially to move-
The muscular, skeletal, and nervous systems to work together involve in movement of appendages. Thus option A is correct.
What are function of muscular, skeletal, and nervous systems ?The skeletal system is a group of bones which provide structure and protects the internal organs.
The skeletal and muscular systems are interconnected, as the muscular system help in movement of bones of the skeletal system.
This voluntary muscular tissues involve in contraction by shortening and pulling of muscle fiber.
It involve in bone movement, connect the bones by tendon.
Some Muscles are called as involuntary muscle such as muscles found in the lungs, intestines, bladder, blood vessels, and heart.
The Muscles which move in response to electrical and chemical signals through the nervous system.
It includes the brain, spinal cord, and a network of specialized nerve cells called neurons.
Thus option A is correct.
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Consider two genes with the alleles A and a and B and b. If the two genes are 30 m.u. apart what gametes will an individual with the genotype AB/ab be expected to produce? o 35% will contain A and B alleles, 35% will contain a and b alleles, 15 % will contain A and b, and 15% will contain a and B o 25% of each of the following allele combinations: A and B, A and b, a and B and a and b o 20% will contain A and B alleles, 20% will contain a and b alleles, 30% will contain A and b alleles, and 30% will contain a and B alleles o 35% will contain A and b, 35% will contain a and B, 15% will contain A and B, and 15% will contain a and b o 30% will contain A and B, 30% will contain & and b, 20% will contain A and b, and 20% will contain a and B.
Answers
Gametes will an individual with the genotype AB/ab be expected to produce is 35% will contain A and b, 35% will contain a and B, 15% will contain A and B, and 15% will contain a and b.
This can be determined by using the concept of independent assortment and recombination frequency. Independent assortment states that alleles of different genes segregate independently during the formation of gametes. Recombination frequency refers to the probability of a crossover event occurring between two genes during meiosis.If the two genes are 30 m.u. apart, it means that there is a 30% chance of a crossover event occurring between them during meiosis. This results in the formation of new combinations of alleles in the gametes.For the individual with genotype AB/ab, the possible gametes are AB, Ab, aB, and ab. The frequency of each gamete can be determined using the formula:frequency of gamete = (1 - recombination frequency) / 2Using the recombination frequency of 0.3, we get:frequency of AB = (1 - 0.3) / 2 = 0.35frequency of Ab = (0.3) / 2 = 0.15frequency of aB = (0.3) / 2 = 0.15frequency of ab = (1 - 0.3) / 2 = 0.35Therefore, the expected gametes for an individual with genotype AB/ab are:
35% will contain A and b
35% will contain a and B
15% will contain A and B
15% will contain a and b
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This is a genetic question:
The Bionomial is a more complex calculation used when you have multiple events AND multiple outcomes. Use the following P (s of A, t of B) = ( N! ) ps qt
S! T!
BTW= s + t = n and p+q = 1
Answers
The formula for the binomial distribution is:
P(s of A, t of B) = (N! / (S! * T!)) * (p^s) * (q^t)Where:
N is the total number of trialsS is the number of successes in the trialsT is the number of failures in the trialsp is the probability of success in each trialq is the probability of failure in each trialThe binomial distribution is a useful tool for calculating the probability of a specific number of successes in a set of trials. It is commonly used in fields such as genetics, where it can be used to calculate the probability of a specific genetic outcome occurring in a population.
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How does the narrator's view of Maxwell change over time?
Answers
Answer: ?
Explanation: Maxwell who?
Two populations with different environments and different selection pressures are likely to experience which of the following?
homologous structures
divergent evolution
convergent evolution
vestigial structures
Answers
Answer:
convergent evolution
Explanation:
Small molecules are used as the basic units in the synthesis of large food molecules.
Which statement is correct?
A. Amino acids are basic units of carbohydrates.
B. Fatty acids are basic units of glycogen.
C. Glycerol is a basic unit of oils.
D. Simple sugar is a basic unit of protein.
Answers
which condition need to be in balance for cells to function
Answers
Answer:
homeostasis
Explanation:
In biology, homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance, being kept within certain pre-set limits (homeostatic range).
How does an amoeba breathe
Answers
Answer:
Amoebas have a semirigid layer of ectoplasm which absorbs oxygen from the surrounding water and eliminates carbon dioxide in a form of respiration.
Explanation:
hope this helps
yoar until full yesting is reached at the end of the 7th yoar. True Falsec
Answers
The statement "Yoar until full yesting is reached at the end of the 7th yoar" is false because it contains multiple errors.
Firstly, the word "yoar" is likely a misspelling of the word "year." Secondly, the phrase "until full yesting is reached" is unclear and doesn't convey a meaningful idea. Additionally, the repetition of the word "yoar" at the end of the statement appears to be another typographical error.
Overall, the statement lacks coherence and logical consistency, making it impossible to identify a specific reason for its falsehood. It is important to ensure clear and accurate communication to convey accurate information and avoid confusion or misunderstanding or multiple errors.
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