Is Cellulose a carbohydrate?

Does a spider have a heart?

True or false drug-resistant strains of hiv are developing rapidly.

Joel is comparing two slides showing chromosomes in a sperm cell and a skin cell of a dog. He finds that the sperm cell has 39 chromosomes. How many chromosomes can he expect in the skin cell?

4. What conditions produce the fastest chemical weathering? a) Cold and dry b) Hot and dry c) Hot and wet d) Cold and wet

Which of the following best describes mollusks? a) They are bilaterally symmetrical and have a soft body sometimes covered with a shell. b) They are bilaterally symmetrical and have a soft body always covered with a shell.

How do you defferintiate between prinsil and stamen

Certain cells that line the stomach synthesize a digestive enzyme and secrete it into the stomach. This enzyme is a protein. Which processes could be responsible for its secretion?

Which is a characteristic of a savanna? Question 2 options: areas of thick forests grasses with trees intermixed layer of frozen soil sand and rocky terrain

What is an example of something that moves but is not alive?

What makes metals in particular good conductors of electricituly