Unit 5 - SOL DNA Questions

A gene mutation is believed to involve

• replacing deoxyribose with glucose

• the substitution of a nitrogen base

• hydrolysis of strong hydrogen bonds

• replacing a phosphate with a nitrate

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

With respect to normal base pairing, when a molecule of DNA replicates, thymine will most likely pair with

• adenine

• cytosine

• guanine

• uracil

According to modern biologists, hereditary variations are due to the

• use or lack of use of organs

• inheritance of characteristics acquired during development

• need for adapting to a changed environment

• genetic changes resulting from mutation and recombination

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

A change in the normal nitrogenous base sequence of a DNA molecule is known as a

• gene mutation

• nondisjunction

• hybridization

• segregation

Tags

NGSS.HS-LS3-2

Which nucleotide contains a nitrogenous base that pairs with thymine in double-stranded DNA?

• 1

• 2

• 3

• 4

The symbols shown illustrate components of nucleic acids. When replication occurs, a double-stranded molecule of DNA separates between

• 1 and 4

• 2 and 3

• 3 and 7

• 5 and 6

Select the nucleic acid molecules, chosen from the list below, that is best described by the statement shown.

May attach to ribosomes

• DNA molecules, only

• RNA molecules, only

• Both DNA and RNA molecules

Strand A would normally be found in the

• plasma membrane

• ribosome

• vacuole

• nucleus

Tags

NGSS.HS-LS1-1

If strand B represents messenger RNA, it would transport the genetic code from the

• A. ribosome to the nucleus

• B. nucleus to the ribosome

• C. mitochondria to the nucleus

• D. nucleus to the mitochondria

Which compound is not part of a DNA nucleotide?

• adenine

• ribose

• thymine

• deoxyribose