Full Review of DNA 22-23

True or False: If a mutation occurs in a normal body (somatic) cell of an organism, that mutation will be passed on to that organism’s offspring.

• True

• False

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

DNA replication takes place in eukaryotic cells during which phase?

• G1

• S

• M

• G0

The two strands of nitrogenous bases in DNA are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Which of the following correctly differentiates between spontaneous and induced mutations?

• Induced mutations are caused by errors in natural biological processes, whereas spontaneous mutations are caused by mutagenic agents in the environment.

• Spontaneous mutations are caused by errors in natural biological processes, whereas induced mutations are caused by mutagenic agents in the environment.

Tags

NGSS.HS-LS3-2

A segment of DNA is shown in the diagram.

Which of these identifies the part of the DNA segment labeled X?

• Nucleotide

• Phosphate group

• Hydrogen bond

• Deoxyribose

In Texas Longhorn cattle, coat coloration is an inherited trait. What is the genetic basis of coat-color variation in Texas Longhorn cattle?

• Differences in the nucleotide sequences of genes

• Differences in the number of chromosomes in the cells

• Differences in the diets of individual cattle

• Differences in the environmental conditions of different geographic areas

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Eight components present in nucleic acids are listed in the box.

Which components bond with adenine in a section of double-stranded DNA?

• 1, 3, 5, and 6 only

• 3 and 5 only

• 2 and 4 only

• 3, 4, 7, and 8 only

A segment of a DNA strand is shown.

3’ AGGTCAGGT 5’

Which of these is the correct complementary DNA strand for the segment shown?

• 5' AGGTCAGGT 3'

• 5' ACCUGAGGU 3'

• 5' TGGACTGGA 3'

• 5' TCCAGTCCA 3'

Which property is shared by the cells of all living things?

• The cells contain DNA composed of adenine, thymine, guanine, and cytosine.

• The cells are surrounded by a phospholipid bilayer and a cell wall made of cellulose.

• The cells have chromosomes that are located inside a membrane-bound nucleus.

• The cells rely on mitochondria to carry out aerobic cellular respiration.

Tags

NGSS.HS-LS3-1

Which of these components are found in the cells of all living organisms?

• Estrogen and testosterone

• Hemoglobin and lymphocytes

• Cytosine and guanine

• Cellulose and chlorophyll