Which of the following are considered macromolecules? select all that apply.

A) nitrogen

B) lipids

C) proteins

D) caron

How are the cells of a person with down syndrome different than those of a person without it?

What prevents the elodea cells from completely collapsing?

Describe how two abiotic factors can move into the trees in a rainforest ecosystem

Instead of roots mushrooms contain and produce.

What is the vesicle organalle?

What role does gravity play in mass movement

Why don't all plants have chloroplasts?

You step on something in the yard resulting in a puncture wound that does not bleed freely. antigens from any microbes that entered the wound will most likely end up in the

Do cats have funny bones

Pollution in the environment affects living things