Bio Ch 10.1 - 10.7

A phage is a virus that infects

• humans

• bacteria

• plants

• animals

• robots

The individuals ____________ & ___________ responsible for determining bacteria is the genetic material in viruses

The monomers of DNA and RNA are ________ .

When a T2 bacteriophage infects an Escherichia coli cell, which part of the phage enters the bacterial cytoplasm?

• the whole phage

• only the RNA

• only the DNA

• the protein "head" and its enclosed nucleic acid

The type of backbone in DNA.

• sugar-phosphate

• nucletide

• nucleic acid

• hydrogen

Which of the following are the correct bases in DNA?

• adenine, guanine, cytosine, uracil

• adenine, guanine, thymine

• adenine, guanine, cytosine, thymine

The number of different bases in a DNA molecule are __________ .

The type of sugar in DNA is _________ .

Which statement regarding RNA is false?

• RNA contains the nitrogenous base uracil.

• One RNA molecule can include four different nucleotides in its structure.

• RNA molecules have a sugar-phosphate backbone.

• RNA contains the sugar dextrose.

How would the shape of a DNA molecule change if adenine paired with guanine and cytosine paired with thymine?

• The DNA molecule would be circular.

• The DNA molecule would be longer.

• The DNA molecule would have irregular widths along its length.

• The DNA molecule would be shorter.