Review for Biology CP1 Final PART 2

1.

1 point

Exons exit the nucleus as part of the mRNA

True

False

2.

1 point

The structure of DNA was primarily discovered by

Mendel

Watson and Crick

Griffith

Hershey and Chase

3.

1 point

The anticodon is part of mRNA

True

False

4.

1 point

DNA

deoxyribose nucleic acid

is a gas

is an organelle

doesn't carry genetic information

5.

1 point

According to the 1st law of thermodynamics

the amount of energy in the universe is constant

chemical reactions do not create or destroy energy

energy can change from one form to another

all of the above

6.

1 point

The binding of two nucleotides uses hydrogen bonds

True

False

7.

1 point

Bacteriophages are

large bacteria

pathogens (disease-producing bacteria)

viruses

protistans

8.

1 point

RNA contains the sugar

sucrose

deoxyribose

glucose

ribose

9.

1 point

Introns remain in the nucleus

True

False

10.

1 point

DNA backbones are made up of alternating sugars and __________ (plural)

11.

1 point

DNA ligase

copies the DNA

joins DNA fragments

destroys DNA

releases DNA from the nucleus

12.

1 point

Hershey and Chase performed an experiment in which they used radioactive isotopes of phosphors and sulfur to label different components of bacterial viruses.

the viruses did not contain protein

the viruses did not contain DNA

DNA was entering into the infected bacterias

genetic information normally contains radioactive isotopes

13.

1 point

DNA's nitrogenous bases are?

adenine, thymine, cytosine, and guanine

uracil, adenine, thymine, cytosine

guanine, protein, thymine, adenine

lipids, uracil, protein, thymine

14.

1 point

Transcription occurs during the synthesis of RNA from a DNA template

True

False

15.

1 point

Once energy is used it is destroyed

True

False

16.

1 point

ATP is made up of

nitrogen base, ribose, four phosphate groups

a nitrogen base, deoxyribose, four phosphate groups

a nitrogen base, ribose, three phosphate groups

none of the above

17.

1 point

The three-base sequence of DNA codes for 1 ___ ____

18.

1 point

The relationship between DNA and RNA is

opposite

unrelated

identical

complementary

19.

1 point

The appropriate way to describe DNA replication is

semiconservative

nondisruptive

natural

progressove

20.

1 point

DNA polymerase

is an enzyme

adds new nucleotides to a strand

is involved in replication

all of these

21.

1 point

The messenger RNA is converted into an amino acid chain during the process of

replication

transcription

translation

duplication

22.

1 point

Scientist(s) who discovered the base pair rule in which the amounts of adenine and thymine are the same in all DNA as are the amounts of cytosine and guanine?

Griffith

Watson and Crick

Chargaff

Hershey and Chase

23.

1 point

Entropy is the measure of disorder

True

False

24.

1 point

Metabolism involves

rocks

all of the endergonic reactions occurring in an organism

all of the exergonic reactions occuring in an organism

both b &c

25.

1 point

DNA molecule could be compared to a

hair pin

spiral staircase

flat plate

key

26.

1 point

_______ conducted experiments where nonlethal bacteria aquired the ability to cause lethal pneumonia due to the presence of an unknown chemical later found to be DNA.

Mendel

Hershey & Chase

Griffith

Franklin

27.

1 point

Because of base pairing in DNA the percentage of

adenine molecules in DNA is about equal to the percentage of guanine molecules

pyrimidines in DNA is about equal to the percentage of purines

purines in DNA is much greater than the percentage of pyrimadines

cytosine molecules in DNA is much greater than the percentage of guanine molecules

28.

1 point

Endergonic reactions

have more energy in the reactants than in the products

have more energy in the products than reactions

are illustrated by the breakdown of glucose

are the mechanisms used by animals to provide energy for biological reactions