Which best describes a mutation?

A. a recessive gene

B. a missing protein

c.

a change to a gene

D. a missing chromosome

The layer of the ocean where temperature drops fastest is the

Both chloroplasts and mitochondria are like in that they both have inner membranes and their own what?

What would be the appropriate measure to record the length of a car?

You have seen that most students are able to memorize the levels of structure in a protein--primary, secondary, tertiary, and quaternary.

Growing a new plant from the cuttings of a parent plant is an example of a. self pollination. b. vegetative reproduction. c. double fertilization. d. sexual reproduction.

How does irradiation effect tomatoes

Which of the following is a cost of urban development? A. Entertainment B. Biodiversity loss C. Cultural centers D. Employment

Jessie and Joe are both carriers of the sickle cell trait which causes sickle cell disease when present in the recessive form. What is the likelihood that they will have 2 children, both of whom have the disorder?

Which organisms are most closely related?

Which of these genes are located on the q arm of chromosome 17?