Module 7 and 8

Question 1

The double helix of DNA is wrapped about 1¾ times around which of these components?

Answer 1

Nucleosome

Question 2

In the lagging strand, the DNA is read from the parental DNA’s 3’ to 5’ end.

Answer 2

True

Question 3

RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to end in order.

Answer 3

Inititation, Longation, Termination

Question 4

List one type of post-translational modification.

Answer 4

protolysis, glycosylation, phosphorylation

Question 5

Which strand is produced more rapidly?

Answer 5

Leading Strand

Question 6

In DNA, what does the nucleotide labeled as A pair with?

Answer 6

T

Question 7

In the ribosome, what pairs with the codon?

Answer 7

mRNA

Question 8

DNA replication in eukaryotes is sped up by multiple origins of replication.

Answer 8

TRUE

Question 9

Replication of DNA is semi-conservative.

Answer 9

FALSE

Question 10

Which nucleotide is different in RNA compared to DNA?

Answer 10

Ribose

Question 11

Which nucleotide is different in DNA compared to RNA?

Answer 11

Deoxyribose

Question 12

During DNA replication in the lagging strand there is production of this component?

Answer 12

Okazaki Fragment

Question 13

Protein synthesis changes from the language of ________ to the language of _______ .

Answer 13

Nucleotides to Amino acids

Question 14

During mRNA maturation what is the name of the part of the mRNA that is removed

Answer 14

Introns

Question 15

Uridine is a nucleotide in DNA

Answer 15

FALSE

Question 16

Which enzyme is used first to permit DNA polymerase III to begin replicating the 3’ strand?

Answer 16

PRIMASE

Question 17

The genetic code for the conversion of mRNA codons to proteins has redundancy.

Answer 17

TRUE

Question 18

Strands of the backbone of DNA are parallel?

Answer 18

FALSE

Question 19

Which sugar is present in RNA?

Answer 19

RIBOSE

Question 20

The DNA polymerase that replicates the parental strand of DNA reads the parental DNA from 5’ to 3” and makes a new DNA strand from 3’ to 5’

Answer 20

FALSE

Question 21

For DNA Polymerase III to work which of these components has to act first?

Answer 21

Primase

Question 22

In the ribosome, what is the name of the bond that links one amino acid to the next?

Answer 22

Peptide bond

Question 23

RNA is double stranded

Answer 23

False

Question 24

Which enzyme unwraps the double helix?

Answer 24

Helicase

Question 25

How many “stop” codons exist

Answer 25

THREE

Question 26

During DNA replication errors are greatly reduced by enzymes that proof read the newly replicated DNA

Answer 26

TRUE

Question 27

There are two types of protein synthesis in eukaryotic cells. These two types can be distinguished because the polyribosome is either _________ or __________

Answer 27

FREE OR MEMBRANE BOUND

Question 28

In eukaryotic cells the start codon for protein synthesis is

Answer 28

AUG

Question 29

List the two basic categories of nitrogenous bases in nucleic acids

Answer 29

PURINES AND PYRIMADINES

Question 30

How many hydrogen bonds are there between an A and its paired nucleotide?

Answer 30

TWO

Question 31

The most abundant protein in the world is called _____________.

Answer 31

Rubisco

Question 32

The light reactions produce _____________ and _____________ and this process also results in the release of _____________

Answer 32

ATP, NADPH+ H+, OXYGEN

Question 33

List three items required for photosynthesis to occur.

Answer 33

H20, C02 AND LIGHT

Question 34

The Calvin-Benson cycle takes in _____________ and _____________ from the light reaction and also _____________ ____________ to make carbohydrates.

Answer 34

ATP, NADPH+H+, CO2

Question 35

The antenna system is in the _____________ membranes

Answer 35

BIOLOGICAL MEMBRANE