Photosynthesis is an example of

A. an exothermic reaction.

B. an endothermic reaction.

C. a reaction that gives off heat.

D. a reaction that emits energy.

Is there a difference between the cell walls and the plasma membrane of the animal and plant cell?

In some cells dna combines with proteins to form a substance called

The skin is the first line of defense in preventing penetration by infectious agents. However, the skin can be bypassed. Which of the following scenarios allows an infectious agent to enter the body without damaging the skin? A.

While camping, you see the reflection of the moon on a lake. It looks like a bright flat sphere on the water. what phase of the lunar cycle is the moon most likely in? A. new moon B. old moon C. full moon D. waxing gibbous

Where is starch found in the body? what body tissues is starch found in?

Anything that is built or created in an organized manner

Adults do not need foods from the dairy group, only growing children and athletes do.

Which conditions lead to a slower rate of weathering? Select two options. 1. porous rocks 2. cold climates 3. hard minerals 4. high temperatures 5. low moisture levels

What is the relationship between these two structures enantiomer?

Identify what structures in a skeletal muscle will shorten in length during contraction of the muscle. choose all that apply. (0.5 pts)