What are the main functions (jobs) of DNA polymerase?

binds nucleotides and builds new strands of DNA

breaks hydrogen bonds and expose bases

holds DNA strands apart and attracts bases

zips and unzips the double -stranded DNA

Which of the following events occurs directly after a DNA molecule is unzipped?

free-floating nucleotides pair up with exposed bases

mismatched nucleotide bases are identified and replaced

identical double-stranded DNA molecules are fromed

enzymes break hydrogen bonds between base pairs

The process of making new DNA molecules is semiconservative. This means that every new DNA molecule is composed (made up) of?

one original and one new strand of DNA

two completely identical strands of DNA

one strand of DNA and one strand of RNA

two strands that mix orginal and new DNA

The main function (job) of tRNA is to?

carry amino acids, line them up to form proteins, and leave to pick up new amino acids

form a portion of ribosomes, a cell's protein factories and continue building

string together complimentary RNA and DNA strands

bring amino acids from the nucleus to the ribosomes

A primary difference between replication and transcription is that

one makes DNA and the other makes RNA.

occurs within the nucleus of eukaryotic cells

is catalyzed by large and complex enzymes

proceeds according to careful cellular control

Which phrase best describes translation?

produces RNA from DNA molecules

recycles tRNA molecules for reuse

catalyzes bonds between amino acids

What is the function (job) of anti-codons?

To identify amino acid carried by the tRNA to ensure the correct amino acid is added

To signal the end of protein synthesis

To unzip DNA, break hydrogen bonds, and create two single strands of DNA

To prime DNA and create a starting point for DNA Polymerase

What is the function (job) of stop codons?

To signal the end of protein synthesis

To identify amino acid carried by the tRNA to ensure the correct amino acid is added

To unzip DNA, break hydrogen bonds, and create two single strands of DNA

To prime DNA and create a starting point for DNA Polymerase

What is the function (job) of the enzyme Helicase?

To unzip DNA, break hydrogen bonds, and create two single strands of DNA

To signal the end of protein synthesis

To identify amino acid carried by the tRNA to ensure the correct amino acid is added

To prime DNA and create a starting point for DNA Polymerase

What is the function (job) of the enzyme Primase?

To prime DNA and create a starting point for DNA Polymerase

To signal the end of protein synthesis

To identify amino acid carried by the tRNA to ensure the correct amino acid is added

To unzip DNA, break hydrogen bonds, and create two single strands of DNA

What is the role of mRNA in protein synthesis?

It carries genetic information from DNA to the ribosome.

It forms the structure of ribosomes.

It transports amino acids to the ribosome.

It catalyzes the formation of peptide bonds.

Which of the following best describes the process of transcription?

The conversion of DNA into RNA.

The conversion of protein into RNA.

The conversion of RNA into protein.

The conversion of RNA into DNA.

Resource Library

Science

Biology

Rna And Protein Synthesis

Dna To Proteins Review

DNA to Proteins Review

Authored by Alexandria Audette

Science

9th Grade

NGSS covered

Used 11+ times

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MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Choose the first three nucleotides of the complementary (matches up with) DNA strand. CCG

GGT

CCT

GGC

TTA

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which nucleotide base is NOT found in DNA?

Thymine

Uracil

Adenine

Guanine

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

In humans, where does DNA replication (happen) take place?

cytoplasm

nucleus

ribsomes

vacuole

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

During replication, the function (job) of the enzyme DNA polymerase is to

bind nucleotides together.

send messages.

receive messages.

locate replication sites.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Choose the first three nucleotides of the complementary RNA strand. TAG

AUT

AUC

CTA

ACG

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

During transcription, what does messenger RNA (mRNA) do?

It delivers DNA's instructions for making proteins from the nucleus to the cytoplasm.

It constructs proteins out of random amino acids inside the nucleus.

It strings together two complementary DNA strands.

It strings together two complementary RNA strands.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

The central dogma states that information flows from

RNA to DNA to polysaccharides.

DNA to RNA to proteins.

DNA to polysaccharides to RNA

RNA to DNA to proteins.

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DNA to Proteins Review

Choose the first three nucleotides of the complementary (matches up with) DNA strand. CCG

Which nucleotide base is NOT found in DNA?

In humans, where does DNA replication (happen) take place?

During replication, the function (job) of the enzyme DNA polymerase is to

Choose the first three nucleotides of the complementary RNA strand. TAG

During transcription, what does messenger RNA (mRNA) do?

The central dogma states that information flows from

How many codon sets for amino acids are in this strand of mRNA shown below? CGUAC

The four types of nucleotides (A,T,C,G) that make up DNA are named for their

Which of the following DNA sequences is complementary to the base sequence ACCGTAT

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