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DNA to Proteins Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What holds base pairs together?

a)

hydrogen bonds

b)

sugar-phosphate backbones

c)

pairs of double ringed nucelotides

d)

nitrogen-carbon bonds

2.

What 3 pieces make up a nucleotide?

a)

phosphate, sugar, and base

b)

hydrogen, sugar, and base

c)

phosphate, hydrogen, and base

d)

phosphate, sugar, and hydrogen

3.

Two pieces of DNA join together to form a(n)...

a)

X in a circle

b)

nucleotide

c)

double helix

d)

covalent bond

4.

What are the base-pairing rules?

a)

A pairs with G, C pairs with T

b)

G pairs with T, A pairs with C

c)

A pairs with T, and C pairs with G

5.

What type of bond holds together the backbone of a DNA molecule?

a)

hydrogen bonds

b)

covalent bonds

c)

ionic bonds

d)

magnetic

6.

The process that makes an exact copy of a cells DNA is called...

a)

conservation

b)

preservation

c)

replication

d)

supplementation

7.

Which phase of the cell cycle replicates a cells DNA?

a)

Gap 1

b)

Synthesis

c)

Gap 2

d)

Mitosis

8.

The process of making new DNA molecules is semiconservative. This means that every new DNA molecule is composed of

a)

two completely identical strands of DNA.

b)

one original and one new strand of DNA.

c)

one strand of DNA and one strand of RNA.

d)

two strands that mix original and new DNA.

9.

Please REPLICATE the following strand: ATC GCG ATT

a)

TAG CGC TAA

b)

ATC GCG ATT

c)

GCA TAT GCC

d)

AAT GCG GAT

10.

The main function of tRNA is to

a)

carry a message

b)

form the ribosomes

c)

transfer amino acids

d)

string together DNA and RNA

11.

The main function of mRNA is to

a)

carry a message

b)

form the ribosomes

c)

transfer amino acids

d)

string together DNA and RNA

12.

The main function of rRNA is to

a)

carry a message

b)

form the ribosomes

c)

transfer amino acids

d)

string together DNA and RNA

13.

The central dogma states that information flows from:

a)

DNA -> RNA -> Proteins

b)

RNA -> DNA -> Proteins

c)

Proteins -> DNA -> RNA

d)

DNA -> Proteins -> RNA

14.

Which phrase best describes transcription?

a)

converts mRNA into an amino acid chain (protein)

b)

catalyzes bonds between amino acids

c)

produces RNA from DNA molecules

d)

recycles tRNA molecules for reuse

15.

Which of the following is not a difference between DNA and RNA?

a)

DNA uses Thymine (T) and RNA uses Uracil (U)

b)

DNA is double stranded while RNA is single stranded

c)

DNA has a deoxyribose sugar while RNA has a ribose sugar

d)

DNA is found in the cytoplasm while RNA is found in the nucleus

16.

Please TRANSCRIBE the following strand: GCT TAG ACC

a)

GCT TAG ACC

b)

CGA ATC TGG

c)

CGA AUG UGG

d)

GGU CUA AGC

17.

Which phrase best describes translation?

a)

converts mRNA into an amino acid chain (protein)

b)

catalyzes bonds between amino acids

c)

produces RNA from DNA molecules

d)

recycles tRNA molecules for reuse

18.

Where does translation happen?

a)

vacuole

b)

lysosome

c)

ribosome

d)

nucleus

19.

What is the term for a three-nucleotide sequence that codes for an amino acid?

a)

base

b)

codon

c)

amine

d)

serine

20.

Please TRANSLATE the following strand: CGC AGU UUA

a)

GCG TCA AAT

b)

arg ser stop

c)

val thr gly

d)

GCG UCA AAU