Free Printable Unit 4 Comprehensive Check

Worksheets

Unit 4 Comprehensive Check

Total questions: 18

Worksheet time: 22mins

Name

Class

Date

The following picture must be

DNA because it's double stranded

RNA because it's single stranded

DNA because it's single stranded

RNA because it contains the base Guanine

The RNA made directly from the DNA that carries the message to ribosomes is:

tRNA

mRNA

rRna

all of these

Which of the following units are repeatedly joined together to form a strand of DNA?

amino acids

nucleotides

fatty acids

polysaccharides

DNA replication results in two DNA molecules,

each one with two original strands

each one with two new strands

each one with one new strand and one original strand

one with two new strands and the other with two original strands

How would the DNA sequence GCT ATA be transcribed to mRNA?

GCU AUA

CGA TAT

CGA UAU

GCU TUT

The process by which the genetic code of DNA is copied into a strand of RNA is called

translation

transcription

transformation

replication

Where does transcription take place?

nucleus

cytoplasm

ribosome

Using the codon identify the amino acid sequence: AUG-CCA-GUA

MET-HIS-ALA

MET-PRO-GLY

MET-PRO-VAL

MET-THR-SER

Which amino acid is made from the mRNA codon UUA?

Phenylalanine

Leucine

Serine

Tyrosine

10.

What is the relationship between a protein, the cell, and DNA?

DNA is produced by protein which is produced in the cell

Protein is composed of DNA which is produced in the cell

DNA makes RNA which produces protein in the cell

A cell is composed of DNA and protein

11.

What is the correct sequence of protein synthesis?

A. tRNA brings amino acids to the ribosome

B. DNA molecules serve as the templates for mRNA.

C. mRNA molecules move to ribosomes.

D. Polypeptides are formed on ribosomes.

A-B-C-D

B-C-A-D

C-B-A-D

D-B-A-C

12.

The "central dogma" states that genetic information flows from

Protein-->mRNA-->DNA

Protein-->DNA-->mRNA

mRNA-->DNA-->Protein

DNA-->mRNA-->Protein

13.

How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?

The two different cells become mutated

The proteins expressed in each cell are different

They actually have different DNA in the two types of cells.

The genome of the different cells changes

14.

DNA molecule segment is : TTA CGC AAG

The mutated DNA segment is TTC GCA AG.

This is an example of ___ mutation.

Substitution

Deletion

Insertion

Inversion

15.

Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA

no mutation

substitution

insertion

deletion

16.

Original: ATC CAT

Mutation: ATC GCA T

What mutation occurred?

deletion

insertion

silent

transverse

17.

What is a mutation?

An error in DNA which could lead to cancer

A complete copy of DNA

A change in Proteins which doesn't cause an issue

A mistake in your body that is caught and removed

18.

What allows proteins to be different?

Made of different amino acids

The type of carbohydrates present

The amount of water in the body

The level of physical activity

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Unit 4 Comprehensive Check

Total questions: 18

Worksheet time: 22mins

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