0 [{"id":340952,"quiz_id":"17271","answer_id":null,"answerType_id":"0","created_at":"2017-12-16 01:38:57","updated_at":"2017-12-16 01:39:19","questionName":"What mRNA codon would be made from the DNA triplet CGT?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":4,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":340956,"quiz_id":"17271","answer_id":null,"answerType_id":"0","created_at":"2017-12-16 01:38:58","updated_at":"2017-12-16 01:39:19","questionName":"Bacteria can transcribe and translate human genes to produce functional human proteins because _____.","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":8,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":340959,"quiz_id":"17271","answer_id":null,"answerType_id":"0","created_at":"2017-12-16 01:38:58","updated_at":"2017-12-16 01:39:19","questionName":"At one point, as a cell carried out its day-to-day activities, the nucleotides GAT were paired with the nucleotides CUA. 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block

What mRNA codon would be made from the DNA triplet CGT?

Select the correct answer(s).  

(0/0)

---

UCG

ATU

CTU

TCU

GCA

none

Bacteria can transcribe and translate human genes to produce functional human proteins because _____.

Select the correct answer(s).  

(0/0)

---

the genetic code is nearly universal

RNA has catalytic properties

bacterial and eukaryotic RNA polymerases are identical

eukaryotes do not really need a nucleus

bacterial ribosomes and eukaryotic ribosomes are identical

none

At one point, as a cell carried out its day-to-day activities, the nucleotides GAT were paired with the nucleotides CUA. This pairing occurred _____.

Select the correct answer(s).  

(0/0)

---

in a double-stranded DNA molecule

It is impossible to say, given this information.

during translation

during transcription

when an mRNA codon paired with a tRNA anticodon

none

Generally speaking, how many genetic codes are there?

Select the correct answer(s).  

(0/0)

---

20

one for each organism

one

three

four

none

Which of the following best describes the arrangement of genetic information in a DNA molecule?

Select the correct answer(s).  

(0/0)

---

The three-nucleotide words of a gene are serially arranged on both strands of DNA at a specific locus.

By overlapping the three-nucleotide words of a gene, the amount of information a DNA molecule can hold is maximized.

By analyzing the linear order of amino acids in a polypeptide, the exact order of the three-nucleotide words of a gene arranged on the template strand of DNA can be determined.

The three-nucleotide words of a gene are arranged in a nonoverlapping series on the DNA template strand.

A gene is composed of overlapping, three-nucleotide words on a template strand of DNA.

none

Which of the following statements is true?

Select the correct answer(s).  

(0/0)

---

Each triplet has many different meanings.

Each amino acid in a protein is coded for by three bases in the DNA.

Each DNA base codes for three amino acids.

It takes three genes to code for one protein.

Each gene codes for three proteins.

none

One strand of a DNA molecule has the following sequence: 3′-AGTACAAACTATCCACCGTC-5′. In order for transcription to occur in that strand, there would have to be a specific recognition sequence, called a(n) _____, to the left of the DNA sequence indicated.

Select the correct answer(s).  

(0/0)

---

intron

AUG codon

exon

promoter

centromere

none

Genetic information of eukaryotic cells is transferred from the nucleus to the cytoplasm in the form of _____.

Select the correct answer(s).  

(0/0)

---

proteins

RNA

carbohydrates

DNA

lipids

none

The codons AAA, CCC, GGG, and UUU specify the amino acids lysine, proline, glycine, and phenylalanine, respectively. What peptide sequence would be encoded by the sequence 5'-CCCAAATTTGGG-3', if present in the coding strand of the DNA?

Select the correct answer(s).  

(0/0)

---

pro-lys-phe-gly

gly-phe-lys-pro

phe-gly-pro-lys

gly-phe-pro-lys

lys-pro-gly-phe

none

When RNA is being made, the RNA base _____ always pairs with the base _____ in DNA.

Select the correct answer(s).  

(0/0)

---

A ... U

U ... A

T ... G

U ... T

T ... A

none

During the transcription of a given portion of a DNA molecule _____.

Select the correct answer(s).  

(0/0)

---

mRNA is synthesized on both chains of the DNA molecule at once

mRNA is synthesized on only one of the chains

mRNA is synthesized on both chains of the DNA molecule, but first on one side and then the other

Any of the listed patterns may be found.

half of the mRNA is synthesized on half of one chain; then the other half of the mRNA is made on the other half of the DNA

none

The number of nucleotide bases "read" together on the mRNA to designate each amino acid is _____; this unit is called a(n) _____.

Select the correct answer(s).  

(0/0)

---

three ... Codon

one ... amino acid

two ... Anticodon

two ... Dipeptide

three ... Triose

none

In many cases, more than one codon codes for the same amino acid. Because of this, we say that the code is _____.

Select the correct answer(s).  

(0/0)

---

redundant

incomplete

inaccurate

not specific

tricky

none

In eukaryotic cells, a terminator in mRNA synthesis is _____.

Select the correct answer(s).  

(0/0)

---

an enzyme whose specific function is to stop synthesis

None of the listed responses is correct.

a specific nucleotide sequence in mRNA that signals the RNA polymerase to stop and to release from the DNA

a specific nucleotide sequence in DNA that signals the RNA polymerase to stop

a molecule of tRNA that recognizes a stop codon

none

In a eukaryotic cell, transcription takes place _____.

Select the correct answer(s).  

(0/0)

---

on free ribosomes

in the rough endoplasmic reticulum

on the cell membrane

in the cytoplasm

in the nucleus