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The Final Countdown Day 4

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.

Which of the following is not a form of interspecies interaction?

a)

Commensalism

b)

Succession

c)

Mutualism

d)

Parasitism

e)

I don't know

2.

SIckle cell anemia is a disease caused by the substitution of an incorrect nucleotide into the DNA sequence for a particular gene. The amino acids are still added to the growing protein chain, but the symptoms of sickel cell anemia result. This is an example of

a)

frameshift mutation

b)

missense mutation

c)

nonsense mutation

d)

thymine dimer mutation

e)

I don't know

3.

This represents the backbone of a structure that is vital to the construction of many cells and is used to produce steroid hormones.

a)

A

b)

B

c)

C

d)

D

e)

I don't know

4.

This structure plays a vital role in energy reactions.

a)

A

b)

B

c)

C

d)

D

e)

I don't know

5.

This structure is a purine found in DNA.

a)

A

b)

B

c)

C

d)

D

e)

I don't know

6.

This structure was synthesized in the ribosome.

a)

A

b)

B

c)

C

d)

D

e)

I don't know

7.

When oxygen becomes unavailable, this process regenerates NAD+, allowing respiration to continue.

a)

Glycolysis

b)

Chemiosmosis

c)

Fermentation

d)

Calvin Cycle

e)

I don't know

8.

This process leads to the net production of two pyruvate, two ATP, and two NADH.

a)

Glycolysis

b)

Chemiosmosis

c)

Fermentation

d)

Calvin Cycle

e)

I don't know

9.

This process couples the production of ATP with the movement of electrons down the electron transport chain by harnessing the driving force created by a proton gradient.

a)

Glycolysis

b)

Chemiosmosis

c)

Fermentation

d)

Calvin Cycle

e)

I don't know

10.

This process has as its products NAD+, ADP and sugar.

a)

Glycolysis

b)

Chemiosmosis

c)

Fermentation

d)

Calvin Cycle

e)

I don't know

11.

The agent that causes the conversion of molecule I to molecules II and III

a)

DNA Polymerase

b)

DNA ligase

c)

sticky ends

d)

restriction enzymes

e)

I don't know

12.

The sequence AGCT in molecule III

a)

DNA Polymerase

b)

DNA ligase

c)

sticky ends

d)

restriction enzymes

e)

I don't know

13.

The agent that causes the conversion of molecules II and III to molecule IV

a)

DNA Polymerase

b)

DNA ligase

c)

sticky ends

d)

restriction enzymes

e)

I don't know

14.

The agent that causes molecule I to copy itself

a)

DNA Polymerase

b)

DNA ligase

c)

sticky ends

d)

restriction enzymes

e)

I don't know

15.

A behavioral endocrinologist captures male individuals of a territorial bird species over the course of a year to measure testosterone (T) levels. In this population, males may play one of two roles: (1) they may stay in their natal group (the group they were born in) and help raise their younger siblings, or (2) they may leave their natal group to establish a new territory.

Testosterone level in this population may be an example of

a)

adaptive radiation

b)

an adaptation

c)

divergent selection

d)

development

e)

I don't know

16.

A behavioral endocrinologist captures male individuals of a territorial bird species over the course of a year to measure testosterone (T) levels. In this population, males may play one of two roles: (1) they may stay in their natal group (the group they were born in) and help raise their younger siblings, or (2) they may leave their natal group to establish a new territory.

What can you infer about the role of testosterone in reproduction in this species?

a)

It is detrimental to breeding

b)

It aids adult males only

c)

It ensures that all males reproduce equally

d)

It aids in breeding

e)

I don't know

17.

A researcher grows a population of ferns in her laboratory. She notices, after a few generations, a new variant that has a distinct phenotype. When she tries to breed the original phenotype with the new one, no offspring are produced. When she breeds the new variants, however, offspring look like the new variant result.

What originally caused the change in the variant?

a)

karyotyping

b)

balanced polymporphism

c)

mutation

d)

polyploidy

e)

I don't know

18.

A researcher grows a population of ferns in her laboratory. She notices, after a few generations, a new variant that has a distinct phenotype. When she tries to breed the original phenotype with the new one, no offspring are produced. When she breeds the new variants, however, offspring look like the new variant result.

What kind of speciation does this example illulatrate?

a)

Allopatric

b)

Sympatric

c)

Isolated

d)

Polypoidy

e)

I don't know

19.

If this gel were used in a court case as DNA evidence taken from the crime scene, which of the following suspects appears to be guilty?

a)

Suspect A

b)

Suspect B

c)

Suspect C

d)

Suspect D

e)

I don't know

20.

Which two suspects, while not guilty, could possibly be identical twins?

a)

Suspect A and B

b)

Suspect A and C

c)

Suspect B and C

d)

Suspect B and D

e)

I don't know

21.

The frequency of genotypes for a given trait are given below:

AA = 36% Aa = 45% aa = ?%


What is the frequency of the recessive homozygote?

a)

15%

b)

19%

c)

25%

d)

40%

e)

I don't know

22.

An eager AP Biology student interested in studying osmosis and the movement of water in solutions took a dialysis bag containing a 0.5M solution and placed it into a beaker containing a 0.6 M solution.

After the bag has been sitting in the beaker for a while, what would you expect to have happened to the bag?

a)

There will have been a net flow of water out of the bag, causing it to decrease in size.

b)

There will have been a net flow of water into the bag, causing it to swell in size.

c)

The bag will be the exact same size because no water will have moved at all.

d)

The solute will have moved out of the dialysis bag into the beaker.

e)

I don't know

23.

An eager AP Biology student interested in studying osmosis and the movement of water in solutions took a dialysis bag containing a 0.5M solution and placed it into a beaker containing a 0.6 M solution.

If this bag were instead placed into a beaker of distilled water, what would be the expected result?

a)

There will have been a net flow of water out of the bag, causing it to decrease in size.

b)

There will have been a net flow of water into the bag, causing it to swell in size.

c)

The bag will be the exact same size because no water will have moved at all.

d)

The solute will have moved out of the dialysis bag into the beaker.

e)

I don't know

24.

If the pedigree is studying an autosomal recessive condition for which the alleles are A and a, what was the probability that a child produced by parents A and B would be heterozygous?

a)

0.0625

b)

0.1250

c)

0.2500

d)

0.500

e)

I don't know

25.

The solutions in the two arms of this U-tube are separated by a membane that is permeable to water and sodium chloride, but not to sucrose. Side A is filled with a solution of 0.6M sucrose and a 0.2 M sodium chloride (NaCl), and side B is filled with a solution of 0.2M sucrose and 0.3M NaCl. Initially the volume on both sides is the same.


At the beginning of the experiment,

a)

Side A is hypertonic to side B

b)

Side A is hypotonic to side B

c)

Side A is isotonic to side B

d)

Side A is hypotonic to side B with respect to sucrose

e)

I don't know