DNA replication and protein synthesis

Question 1

A set of 3 bases carried by tRNA

Answer 1

Anticodon.

Question 2

Makes up the ribosomes.

Answer 2

rRNA

Question 3

Synthesis of proteins from info carried by the mRNA.

Answer 3

Translation

Question 4

Do NOT code for amino acids.

Answer 4

Intron

Question 5

Introns removed and exons spliced together.

Answer 5

mRNA processing

Question 6

DO code for amino acids.

Answer 6

Exon.

Question 7

Carries the anticodon to the ribosomes.

Answer 7

tRNA

Question 8

Set of 3 bases, carried by the mRNA

Answer 8

codon.

Question 9

Carries the “code” out of the nucleus to the ribosome.

Answer 9

mRNA.

Question 10

Organelles at which protein gets put together.

Answer 10

Ribosomes.

Question 11

DNA takes this form when a cell is about to divide

Answer 11

Chromosomes

Question 12

When bonded together, these form proteins.

Answer 12

Amino acids.

Question 13

The basic units of DNA

Answer 13

Nucleotides.

Question 14

Coded instructions of DNA get translated into protein at the ribosomes.

Answer 14

DNA translation.

Question 15

A mistake in the DNA code that changes the coded instructions.

Answer 15

Mutation

Question 16

3 Nitrogen bases in a row that code for 1 amino acid.

Answer 16

Codon

Question 17

DNA makes an exact copy of itself.

Answer 17

DNA Replication.

Question 18

Complimentary base pairs in DNA

Answer 18

A &T, C &G

Question 19

The coded DNA instructions are copied onto the mRNA

Answer 19

DNA transcription

Question 20

Which event # of DNA replication is: “An enzyme helps 2 strands of DNA unzip at the weak bonds between the nitrogen bases”?

Answer 20

1.

Question 21

Which event # of DNA replication is: “The double helix unwinds.”

Answer 21

2

Question 22

Which event # of DNA replication is: “Free DNA nucleotides in the nucleus move into the appropriate places on each strand of DNA, creating 2 exact copies of the original DNA.”

Answer 22

3

Question 23

Which event # of DNA replication is: “The cell divides and each new cell has an exact replica of the original DNA.”

Answer 23

4.

Question 24

Which event # of DNA translation is: “As each amino acid is put into place, it bonds with the amino acid next to it.”

Answer 24

4

Question 25

Which event # of DNA translation is: "The newly formed protein sets off into the cell to do its intended work."

Answer 25

6.

Question 26

Which event # of DNA translation is: "Messenger RNA is held in place at the ribosomes."

Answer 26

1

Question 27

Which event # of DNA translation is: "Transfer RNAs pick up an appropriate amino acid in the cytoplasm and delivers them to the mRNA."

Answer 27

2

Question 28

Which event # of DNA translation is: "The transfer RNAs bond their anticodons with the corresponding codons in the mRNA."

Answer 28

3.

Question 29

Contains deoxyribose

Answer 29

DNA

Question 30

Contains ribose

Answer 30

RNA

Question 31

Contains a base that pairs with adenine

Answer 31

both

Question 32

Has the nitrogen base Uracil

Answer 32

RNA

Question 33

Consists of a single strand of nucleotides

Answer 33

RNA

Question 34

Made of nucleotides linked together

Answer 34

Both

Question 35

Is a nucleic acid

Answer 35

Both

Question 36

Consists of a double strand of nucleotides

Answer 36

DNA.

Question 37

Codon: mRNA as A. Ribosome: DNA molecules B. DNA molecules : RNA molecules C. DNA : protein D. Anticodon : tRNA

Answer 37

D; Anticodon : tRNA

Question 38

All of the following are true about the structure of DNA except: A. the long strands of nucleotides are twisted into a double helix. B. every DNA nucleotide contains a phosphate, sugar, and a nitrogen base. C. DNA consists of two strands of nucleotides joined together by hydrogen bonds. D. short strands of DNA are contained in chromosomes inside the nucleus of a cell.

Answer 38

D; Short strands of DNA are contained in chromosomes inside the nucleus of a cell

Question 39

The portion of DNA molecules that actually code for the production of proteins are called: A. Amino Acids. B. Exons C. Introns. D. Mutations

Answer 39

B; Exons

Question 40

The enzyme that is responsible for breaking the weak hydrogen bonds during replication is: A. DNA nucleotides B. DNA polymerase C. DNA helicase D. DNA forks

Answer 40

C; DNA helicase

Question 41

How many base pairs can a single DNA molecule have? A. 20 B. Millions C. 100 D. Four

Answer 41

B; Millions

Question 42

The function of rRNA is to: A. Form ribosomes B. Synthesize DNA C. Transfer amino acids to ribosomes. D. Synthesize mRNA.

Answer 42

A; Form ribosomes.

Question 43

RNA differs from DNA in that RNA A. Contains a different sugar molecules. B. Is single-stranded C. Contains the nitrogen base uracil D. All of the above

Answer 43

D; All of the above.

Question 44

During transcription, the genetic information for making a protein is "rewritten" as a molecule of: A. Transfer RNA B. Translation RNA. C. Ribosomal RNA D. Messenger RNA.

Answer 44

D; Messenger RNA.

Question 45

Adenine: Thymine as .. A. Guanine : cytosine B. Protein : DNA C. Watson : Crick D. Adenine : DNA

Answer 45

A; Guanine : Cytosine

Question 46

Each nucleotide triplet in mRNA that specifies a particular amino acid is called a: A. Mutagen B. Exon C. Codon D. Anticodon.

Answer 46

C; codon

Question 47

Scientists have identified ___ different types of amino acids. A: Millions B: 100 C: 4 D: 20

Answer 47

D; 20.

Question 48

A chain of amino acids is a ___.

Answer 48

Polypeptide.

Question 49

RNA stands for ___

Answer 49

Ribonucleic acid.

Question 50

DNA stands for __.

Answer 50

Deoxyribonucleic acid.

Question 51

What are the three parts of a nucleotide:

Answer 51

Phosphate, sugar, nitrogen base

Question 52

DNA is shaped like a twisted ladder, so the shape is referred to as a ___.

Answer 52

Double helix

Question 53

Who were the two scientists that discovered the structure of DNA?

Answer 53

Watson and Crick.

Question 54

Which event # of DNA replication is: "An enzyme helps 2 strands of DNA unzip at the weak bonds between the nitrogen bases."

Answer 54

1

Question 55

Which event # of DNA replication is: "The double helix unwinds."

Answer 55

2

Question 56

Which event # of DNA replication is: "Free DNA nucleotides in the nucleus move to the appropriate places on each strand of DNA, creating 2 exact copies of the original DNA."

Answer 56

3

Question 57

Which event # of DNA replication is: "The cell divides and each new cell has an exact replica of the original DNA."

Answer 57

4