100 POINTS IF ANSWERED
QUESTION 1

What is the shape of DNA called?

figure 8

double helix

semi-circle

long string
QUESTION 2

What is made of a single, long molecule of DNA?

allele

nucleus

chromosome

protein
QUESTION 3

What is true about one strand of DNA?

It contains many proteins.

It contains many alleles.

It contains many chromosomes.

It contains many genes.
QUESTION 4

What is the relationship between genes and chromosomes?

Chromosomes contain one or more genes.

Genes contain one or more chromosomes.

Chromosomes use DNA code to manufacture genes.

Genes use DNA code to manufacture proteins for chromosomes.
QUESTION 5

What is one job of RNA?

unraveling DNA

manufacturing nucleotides

carrying genetic information

giving shape to chromosomes