1st Semester Exam Review- Bio

A phenotype that results from a dominant allele must have at least _____ dominant allele(s) present in the parent(s).

• one
• two
• three
• four

Messenger RNA is formed in the process of

• transcription
• translation
• replication
• mutation

The outer protein coat of a virus is called a

• membrane envelope.
• capsid.
• bacteriophage.
• head.

Gametes are produced by the process of

• mitosis.
• meiosis.
• crossing-over.
• replication.

Which of the following represents the phases of

• prophase, metaphase, anaphase, telophase
• interphase, prophase, metaphase, anaphase, telophase
• interphase, prophase, metaphase, telophase
• prophase, anaphase, metaphase, telophase

Tags

NGSS.HS-LS1-4

What stores information in a cell?

• proteins
• carbohydrates
• lipids
• DNA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What are the basic building blocks of proteins?

• nucleic acids
• peptide bonds
• amino acids
• glycerol and fatty acids

Tags

NGSS.HS-LS1-6

Most mutations

• have no effect on an organism.
• are fatal to an organism
• are helpful to an organism.
• are harmful to an organism.

Tags

NGSS.HS-LS3-2

Because of base pairing in DNA, the percentage of

• adenine molecules in DNA is about equal to the percentage of guanine molecules.
• thymine molecules in DNA is about equal to the percentage of adenine molecules
• adenine molecules in DNA is much greater than the percentage of thymine molecules.
• cytosine molecules in DNA is much greater than the percentage of guanine molecules.

Proteins in the viral capsid or on the surface membrane function to

• bind the virus to the surface of a host cell.
• transcribe vrial genes.
• force a host cell to make copies of the virus.
• destroy a host cell.