Study this genetic code.

In order for this code to represent a piece of DNA, which base must be replaced by thymine?

A)

adenine

B)

cytosine

C)

guanine

D)

uracil

What layer is affected when a scrape affects the most superficial epidermal layer?

A yeast cell feeding on glucose suddenly switches from producing carbon dioxide and many ATP molecules to producing ethyl alcohol and few ATP molecules which of the following would force to yeast to make this change

Climate change causes extreme weather conditions such as: A. Flooding B. Heat waves C. Hurricanes D. All of the above

The pattern of spacing between individuals across the range of a population is its a) growth rate b) distribution c) density d) habitat

Responding to the environment is a characteristic of life best shown by which example?

Arthropods do not have internal bones. Instead, an arthropod's body is supported by two or three segments. an exoskeleton. a set of antennae.

A health claim describes the relationship between a food, food ingredient, or dietary supplement and reduced risk of a nutrition-related condition. a. True b. False

Which two macromolecules offer energy storage to the cell

The epidermal layer that consists almost entirely of keratin is the

What is the name for a large region with consistent organisms and weather?