A medical test indicates that a patient has a defective protein. This condition is most likely due to a change in the directions coded in the

number of hydrogen atoms in starch molecules

sequence of monosaccharides in the carbohydrate chain

number of carbon atoms in glucose

What would happen if the first nucleotide "T" is removed from the following DNA sequence?

The frameshift would change all of the amino acids in the sequence

The point mutation would cause protein synthesis to stop prematurely.

The point mutation would cause a shift in the reading frame.

The frameshift would result in the synthesis of the same protein

Which of the following describes a frameshift mutation?

Insertion or deletion of nitrogen bases alter the reading frame.

An amino acid sequence is stopped, shortening the protein.

The identity of a single amino acid is changed in a protein.

The mutation results in no change to the amino acid sequence.

Which of the following describes a nonsense mutation?

An amino acid sequence is stopped, shortening the protein.

Insertion or deletion of nitrogen bases alter the reading frame.

The identity of a single amino acid is changed in a protein.

The mutation results in no change to the amino acid sequence.

Which of the following describes a silent mutation?

The mutation results in no change to the amino acid sequence.

An amino acid sequence is stopped, shortening the protein.

Insertion or deletion of nitrogen bases alter the reading frame.

The identity of a single amino acid is changed in a protein.

Genes from a sea coral can be transferred into a zebra fish to make it glow in response to ultraviolet light. The fact that genes from one species can be placed into another is evidence that all organisms

produce the same collection of proteins

contain membrane bound organelles

Which of the following describes how RNA is different from DNA?

Contains the nitrogen base uracil instead of thymine

In the 1960s the molecular biologist George Streisinger developed the strand-slippage hypothesis. Streisinger noticed that mutations occurred in areas of DNA that contained many repeat sequences. When a strand-slippage occurs, an insertion mutation can result. How does the insertion mutation affect the DNA?

Nitrogenous bases are exchanged

List 4 environmental factors that can affect gene expression.

temperature, nutrition, light exposure, soil acidity, chemicals

Every cell in the body has the EXACT SAME DNA instructions. Which of the options below accurately explains why different cells look and function differently?

Specialized cells will only activate the portions of DNA they need to complete their function.

Specialized cells will splice and discard portions of the DNA not needed by the cell to complete its function.

Specialized cells borrow the portions of DNA they need from other cells.

Specialized cells only have the sections of DNA they need to do their job.

What if a mutation caused a change in the code so the message read UGG instead of UGC? How would this affect the protein produced?

The amino acid would change and result in a different protein.

What if a mutation caused a change in the code so the message read GGA instead of GGC? How would this affect the protein produced?

The amino acid would be the same, so the protein would be the same.

Which of the following best describes how DNA and RNA are similar?

They are both composed of 5 different nucleotides

Homework: Protein Synthesis & Gene Mutations

Quiz

•

Biology

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-1, HS-LS3-2, HS-LS1-6

+3

Standards-aligned

MICHELLE JEANETTE JONES

Used 14+ times

FREE Resource

51 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following components of a DNA molecule carries the genetic code?

phosphate groups

nitrogenous bases

hydrogen bonds

deoxyribose sugars

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The building blocks for proteins are

nucleotides

amino acids

monsaccharides

glycerol & fatty acids

Tags

NGSS.HS-LS1-6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The genetic code is used to translate the information from DNA into proteins. The fact that genes from one organism can be spliced into another is evidence that

each species has its own genetic code

all living things use the same genetic code

similar species have identical proteins

genes are identical between species

Tags

NGSS.HS-LS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A short section of mRNA reads 3' CGGUAU 5' What DNA code probably produced this section of mRNA?

5' GCCTUT 3'

5' GCCAUT 3'

5' ATTGCC 3'

5' GCCATA 3'

Tags

NGSS.HS-LS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The fact that a strain of yeast (a type of fungi) with a certain defective gene can use the human version to repair itself is evidence that yeast and humans

depend on the same food supply

share a genetic code

both have eukaryotic cells

have identical DNA

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A sequence of a DNA template strand is shown. 3' TCC AAT GGC TTA TTT GCA 5'

Arg - Leu - Pro - Asp - Lys - Arg

Try - Phe - Leu - Gly - Asp - Phe

Ser - Leu - Pro - Asp - Lys - Arg

Try - Phe - Leu - Gly - Asp - Ser

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Human bone, muscle, and nerve cells all contain the same DNA. What enables these cells to perform specialized activities?

The ability of some cells to remove unnecessary DNA sequences

The regulation of gene expression within each cell type

The mutation of genes not used in the cell

Using unique methods of cell division

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-4

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