BIOLOGY AP MIDTERM Questions And All Passed Answers.
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Course
AP Biology
Institution
AP Biology
The somatic cells derived from a single-celled zygote divide by witch process? - Answer mitosis
One difference between cancer cells and normal cells is that cancer cells ___________. - Answer continue to divide even when they are tightly packed together
Chemical signal pathways ________...
BIOLOGY AP MIDTERM Questions And
All Passed Answers.
The somatic cells derived from a single-celled zygote divide by witch process? - Answer mitosis
One difference between cancer cells and normal cells is that cancer cells ___________. - Answer
continue to divide even when they are tightly packed together
Chemical signal pathways _______________. - Answer often involve the binding of signal molecules to
a protein on the surface of a target cell
Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine,
however, rapidly move large quantities of glucose from the glucose-rich food into their glucose poor
cytoplasm. using this information, which transport mechanism is most probably functioning in the
intestinal cells? - Answer facilitated diffusion
A molecule with the chemical formula C6H12O6 is probably a _____. - Answer carbohydrate and
monosaccharide only
The difference between pinocytosis and receptor-mediated endocytosis is that __________. - Answer
pinocytosis is nonselective in the molecules it brings into the cell, whereas receptor-mediated
endocytosis offers more selectivity
Binding of a signaling molecule to which type of receptor leads directly to a change in distribution of ions
on opposite sides of the membrane? - Answer ligand-gated ion channel
If there are 20 chromatids in the cell, how many centromeres are there? - Answer 10
Which bonds are created during the formation of the primary structure of a protein? - Answer peptide
bonds
, Which of the following factors would tend to increase membrane fluidity? - Answer a greater
proportion of unsaturated phospholipids
Large numbers of ribosomes are present in cells that specialize in producing which of the following
molecules? - Answer proteins
In the absence of oxygen, yeast cells can obtain energy by fermentation, resulting in the production of
_______. - Answer ATP, CO2, and ethanol (ethyl alcohol)
Which of the following effects is produced by the high surface tensions of water? - Answer a water
strider can walk across the surface of a small pond
In general, a signal transmitted via phosphorylation of a series of proteins ____. - Answer brings a
conformational change to each protein
What kinds of molecules pass through a cell membrane easily? - Answer small and hydrophobic
Reactants capable of interacting to form products in a chemical reaction must first overcome a
thermodynamic barrier known as the reaction's _______ _______. - Answer activation energy
Which of the following statements best describes the relationship between photosynthesis and
respiration? - Answer photosynthesis stores energy in complex organic molecules while respiration
releases it
Which term most precisely describes the cellular process of breaking down large molecules into smaller
ones? - Answer catabolism
A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and
mitochondria. It could be a cell from ______. - Answer a plant or animal
When you have a severe fever, what may be a grave consequence if this is not controlled? - Answer
change in the folding of enzymes
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