1) A nucleotide would least likely contain the element:

Asulfur

Bcarbon

Cnitrogen

Dphosphorous

2) Which of the following is able to maintain genetic continuity through replication?

ADNA

BtRNA

C)mRNA

D)rRNA


3) A structure that is found during plant cell mitosis that is not found during animal cell mitosis is a :

Acentriole

Bcell plate

Ccell membrane

Dmitochondria

4) What is the relationship among DNA, a gene, and a chromosome?

AA chromosome contains hundreds of genes which are composed of proteins.

BA chromosome contains hundreds of genes which are composed of DNA.

CA gene contains hundreds of chromosmes which are composed of proteins.

DA gene is composed of DNA, but there is not relationship to a chromosome.

5) Which of the following is a correct pathway of production, transport, packaging and release of a cellular protein?

AMitochondria---ribosomes---endoplasmic reticulum---golgi bodies

BRibosomes---endoplasmic reticulum--golgi bodies---cell membrane

CLysosomes---vacuoles---ribosomes---endoplasmic reticulum

DNucleolus---nuclear membrane---ribosomes---golgi bodies