AP Biology Review All Units

Based on the diagram, what would be the most likely effect of a mutation in the YUC gene?

• The Trp-T enzyme would not function

• I3PA would not be produced

• IAA would not be produced

• The Trp-T gene would be mutated

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Organisms are the same ___________ when they can have offspring, then those have more offspring.

• Class
• Family
• Species
• Phylum

Tags

NGSS.HS-LS4-2

An organism exposed to wild temperature fluctuations shows very little, if any, change in its metabolic rate. This organism is most probably a

• ectotherm

• endotherm

• thermophyle

• ascosopre

• I don't know

Which of the following is a frameshift mutation?

• CAT HAS HIS --> CAT HAS HIT

• CAT HAS HIS --> CAT HSH ISA

• CAT HAS HIS --> CAT HIS HAT

• CAT HAS HIS --> CAT WAS HIT

• I don't know

Tags

NGSS.HS-LS3-2

On the basis of the following crossover frequencies, determine the relative location of these four genes:

m & n = 15%

p & f = 20%

n & f = 30%

m & f = 45%

n & p = 10%

• FPMN

• MNFP

• MNPF

• NMPF

• I don't know

Tags

NGSS.HS-LS4-3

A student conducts an experiment to test the efficiency of a certain enzyme. Which of the following protocols would probably not result in a change in the enzyme's efficiency?

• Bringing the temperature of the experimental set up from 20 C^o to 50 C^o

• Adding an acidic solution to the setup

• Adding substrate but not enzyme

• Placing the substrate and enzyme in a container with double the capacity

• I don't know

In a certain population of squirrels that is in Hardy-Weinberg equilibrium, black color is recessive phenotype present in 9% of the squirrels, and 91% are gray. What percentage of the population is homozygous dominant for this trait.

• 21%

• 30%

• 49%

• 70%

• I don't know

Tags

NGSS.HS-LS3-3

Which of the following conditions is required to keep this population at Hardy Weinberg equilibrium.

• random mating

• genetic drift

• mutation

• gene flow

• I don't know

Tags

NGSS.HS-LS2-2

To which of the following labeled trophic levels would a herbivore most likely be assigned?

• A

• B

• C

• D

• I don't know

Tags

NGSS.MS-LS2-3

Which of the following statements is correct?

• Water flows from hypertonic to hypotonic

• Germinating seeds use less oxygen than do nongerminating seeds

• The rate of transpiration decreases with an increase in air movement

• Smaller DNA fragments migrate more rapidly than do larger DNA fragments on gel electrophoresis

• I don't know