Bio 10 yes I fucked up

Question 1

What are ribosomes made up of?

Answer 1

RNA and protein

Question 2

Successful DNA replication results in
A) two double helix molecules, one all parental DNA and one all newly synthesized DNA
B) two double helix molecules, each half parental DNA and half newly synthesized DNA

Answer 2

B

Question 3

Inserting or deleting a nucleotide in a protein-coding sequence produces what type of mutation?

Answer 3

Frameshift

Question 4

T/F- rRNA- anticodon is not a correct match

Answer 4

True

Question 5

What is the correct flow of information from gene to protein?

Answer 5

DNA-mRNA- Protein

Question 6

You discover a mutation in the protein-coding sequence of a gene that does not change the amino acid sequence. This makes sense because____.

Answer 6

There is redundancy in the genetic code

Question 7

What synthesizes messenger RNAs (mRNAs)

Answer 7

RNA polymerase

Question 8

On official documents, you are asked to give your first and last names . Which name is analogous to a genus, and which to a species name?

Answer 8

First name is analogous to species; last name is analogous to genus

Question 9

A sequence in DNA specifies what?

Answer 9

the amino acid sequences of a protein

Question 10

Mutations are changes in the sequence of_____.

Answer 10

DNA

Question 11

Reginald Pisa was exposed to high doses of mutagenic compounds because of a bizarre industrial accident. Should he be concerned about having mutant children?

Answer 11

Yes, if the mutation occurs in gamete-producing cells

Question 12

How do you transfer RNAs (tRNA) bring the correct amino acid to the growing polypeptide?

Answer 12

By complementary base pairing between the tRNA anticodon and the messenger (mRNA) codon

Question 13

Where does transcription occur?

Answer 13

Nucleus

Question 14

Where does translation occur?

Answer 14

Cytoplasm

Question 15

What feature of DNA molecules contain the actual code for building proteins?

Answer 15

Sequence of bases

Question 16

In DNA, the “backbone” of the double helix is formed by bonds between____.

Answer 16

the deoxyribose sugar of one nucleotide and the phosphate group of the next

Question 17

The information for making a specific amino acid sequence is known as?

Answer 17

a gene

Question 18

How many messenger RNA (mRNA) bases make up a codon?

Answer 18

3

Question 19

During translation, the start codon___.

Answer 19

codes for “start” and the amino acid methionine

Question 20

Which role do ribosomes play in protein synthesis?

Answer 20

Ribosomes provide a site for tRNA to bind to mRNA

Question 21

When does the end of translation occur?

Answer 21

a stop codon in the mRNA is reached

Question 22

A DNA molecule is a polymer made of

Answer 22

nucleotides

Question 23

The cellular process that involves the transfer of information from DNA to a molecule of messenger RNA (mRNA) is known as

Answer 23

Transcription

Question 24

The anticodon of an incoming____molecule, carrying its amino acid, pairs with the mRNA__ at the ribosome.

Answer 24

tRNA ; codon

Question 25

What occurs in the cytoplasm of a eukaryotic cell?

Answer 25

Translation

Question 26

Where is the information carried by a DNA molecule stored?

Answer 26

in the order of the nucleotides in the molecule

Question 27

The manufacture of a strand of RNA prior to a strand of DNA

Answer 27

Transcription

Question 28

An enzyme that breaks down fats is called?

Answer 28

Lipase

Question 29

T/F- each tRNA binds a specific amino acid

Answer 29

True

Question 30

T/F- mRNA moves from the nucleus to the cytoplasm following RNA processing

Answer 30

True

Question 31

The site of translation is?

Answer 31

ribosomes in the cell cytoplasm

Question 32

What does NOT play a role in translation?

Answer 32

DNA

Question 33

T/F- During RNA processing, mRNA attaches to the small subunit of a ribosome

Answer 33

False

Question 34

A characteristic of the HIV virus that makes it different from some other RNA viruses is that it?

Answer 34

can synthesize DNA from an RNA template