181 Answered Questions for the topic AP biology

04/02/20

According to the following balanced reaction, how many grams of NO are formed from 388 grams of NO2 if there is plenty of water present? 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g) (Please help Urgent)

Formula: 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g)
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Ap Biology Biology

03/31/20

Why is A, T, C, G and U called the universal code? Why are proteins important to living things? Explain!
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Ap Biology Biology

03/30/20

Describe how the structure of each of the four major macromolecules determine the properties and function for each molecule type.
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Ap Biology Biology

03/26/20

Dinosaurs and birds fossils indicate that both had

A. scales B. wings C. nothing in common
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Ap Biology Biology

03/26/20

How are reptiles, birds and humans most closely related of the characteristics below ?
A. they are caudalsB. they are invertebrates C. they are protosomesD. they are aminotes
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Ap Biology Biology

03/26/20

Which of the following organisms’s fossil would have been a tetrapod?
A. earthwormB. chickenC. alligator D. human
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Ap Biology Biology

03/26/20

Most crustacean fossils have been found a rock deposit called
A. Burgess ShaleB. Darwin’s ShaleC. Burgess RockF. Darwin’s Rock
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Ap Biology Biology

03/26/20

The oldest evidence of life was found in fossils found in
A. AfricaB. AustraliaC. EuropeD. Argentina
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Ap Biology Biology

03/26/20

Hemophilia is an X-linked recessive trait. A male with hemophilia has a daughter with hemophilia. What is/are the possible genotypes of the daughters’ mother?
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Ap Biology Biology

03/26/20

An AABB individual is crossed to an aabb individual. The F1 offspring, which are AaBb, are crossed to aabb individuals. The F2 offspring can be AaBb, Aabb, aaBb, or aabb.

Which of these four types do you expect to be the most common?
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Ap Biology Biology

03/26/20

Since phylogenetic trees are based on common ancestries and connect classification with evolutionary history, what types of organisms are most likely to appear in the fossil record?
Describe the fossils abundance, length of existence, physical characteristics and places they would be found.
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Ap Biology Biology

03/24/20

Does formaldehyde contain non-polar or polar covalent bond? Explain.

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Ap Biology Biology

03/24/20

Does ammonia contain non-polar or polar covalent bond? Explain.
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Ap Biology Biology

03/24/20

Does methane contain non-polar or polar covalent bond? Explain.
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Ap Biology Biology

03/24/20

How many hydrogen bonds can a water molecule form with other water molecles?
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Ap Biology Biology

03/24/20

List four ways on how the properties of water resulting from its polarity and hydrogen bonding affect living systems.

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Ap Biology Biology

03/23/20

Why is hydrogen bonded important to the properties of water?
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Ap Biology Biology Cell Cycle

03/13/20

Cancer and the cell cycle

Regulatory molecule controlling the cell cycle is continuously phosphorylated and results in The production of proteins that cause The cell cycle to progress. What molecule is most likely the... more
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Ap Biology Biology

02/20/20

If the sequence of a section of DNA is 5’-TACGGACTCTTATCGACT-3’ a)what is the correct sequence for the opposite strand? b)Using that RNA strand, what is the amino acid sequence it would make?
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Ap Biology Biology

02/20/20

What are all the possible codons for Leucine? Where are they the same and where are they different? What is this redundancy called and why is it in the genetic code?
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Ap Biology Biology

02/20/20

If a tRNA has the following anticodon UAG, what is the corresponding codon, where is it located, and what amino acid would be attached at its 3’ site?
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Ap Biology Biology

02/15/20

What does the basic photosynthetic equation indicate about the source of much of the dry mass of a plant?
a. Water is an important reactant and is therefore primarily responsible for the increase in dry mass as a plant grows.b. Inorganic carbon taken from the air is an important reactant and is... more
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Ap Biology Biology

02/15/20

Why would net primary productivity be more useful than gross primary productivity for predicting the number of species and population sizes of heterotrophic organisms found in an ecosystem?
a. GPP can vary as the amount of sunlight varies, but because the amount of energy used by plants in cellular respiration is constant, NPP will therefore always be a constant.b. The magnitude of... more
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Ap Biology Biology Microbiology

01/30/20

The solute concentration inside a cell is 300 mM and outside it is 30 mM. If the solutes cannot cross the membrane, in which direction do you expect water to move?
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Ap Biology Biology Microbiology

01/30/20

The pH of a solution is 5. What is the concentration of OH- ions at this pH?
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