What is the function of DNA?

directs the synthesis of proteins for the cell

chemical messenger for the cell

carries its information to cytoplasm for exocytosis

serves to block all mutations in a cell

What is the purpose of replication?

To ensure that daughter cells have a complete copy of DNA

To multiply the DNA in the nucleus of each cell

To reduce the amount of DNA in the nucleus of each cell.

To create new sequences of DNA that code for different proteins.

What is the correct sequence of protein synthesis in a cell?

DNA to mRNA to amino acid to proteins

DNA to amino acid to mRNA to proteins

DNA to mRNA to protein to amino acid

DNA to protein to amino acid to mRNA

Which of the following is the purpose of DNA replication?

To create an identical copy of DNA in new cells

to create messenger RNA as a template for protein synthesis

To create new combinations of genes

What determines each amino acid to be assembled in a molecule of protein?

The sequence of three bases on a section of DNA determines one amino acid.

The sequence of chromosome arrangement determines each amino acid.

The sequence of genes along a strand of DNA determines one amino acid.

The sequence of bases on the entire strand of DNA determines one amino acid.

What would be the result of a point mutation?

A dominant trait passed onto offspring.

more serious chromosomal mutation

a dominant trait passed onto offspring.

Why is a frameshift mutation usually more serious than a substitution mutation?

It changes every codon after the mutation.

It can be passed onto offspring.

It always causes some form of cancer

It causes duplication of genetic instructions

Why does a DNA fingerprint help to identify a person?

No two people, except identical twins, have exactly the same DNA

most people have DNA that contains repeats

The most important genes are different among most people.

DNA unzips in multiple locations along the strand and begins replication at each location. How does this conserve the original DNA?

Each strand of the DNA is matched with new bases to create 2 new copies, each with 1/2 of the original strand.

Each strand of the DNA is read and a new strand made. The two new strands combine, and the original rezips and is conserved.

The unzipped DNA breaks into fragments, the pieces are copied, and then the fragments are put back together.

The enzymes at each unzipping site record the DNA bases, then rezip it. They create new DNA from their records, preserving the original DNA.

What is the primary difference between the structure of RNA and DNA?

DNA is missing an oxygen on the sugar molecule.

RNA is missing an oxygen on the sugar molecule.

DNA has an extra phosphate on the backbone.

RNA has an extra phosphate on the backbone.

What is the function of tRNA?

to supply appropriate amino acids for translation

to supply appropriate amino acids for transcription

to provide proteins needed for all cellular function

to provide a template for the sequence of proteins needed.

Where does translation occur?

In the cytoplasm at the ribosome

Unit 6 Protein Synthesis Review

Authored by Michael Adams

Biology

9th Grade

NGSS covered

Used 42+ times

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38 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Genes are found on chromosomes.

True

False

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DNA is a location on a gene.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Genes are made up of chromosomes and proteins.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chromosomes are found on DNA.

True

False

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chromosomes are made up of DNA and proteins.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Genes contain instructions for assembling _____.

Chromosomes

Carbohydrates

Cells

Proteins.

Tags

NGSS.HS-LS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What specifies the genetic code used to make proteins?

Protein structure

Nucleotide sequence

Double strand

Ribose structure

Tags

NGSS.HS-LS1-1

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Unit 6 Protein Synthesis Review

Genes are found on chromosomes.

DNA is a location on a gene.

Genes are made up of chromosomes and proteins.

Chromosomes are found on DNA.

Chromosomes are made up of DNA and proteins.

Genes contain instructions for assembling _____.

What specifies the genetic code used to make proteins?

Which part of DNA carries the genetic information?

What is the function of DNA?

What is the purpose of replication?

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