6. A ligand will cause a cell to respond if it connects with the right _

the right

O phospholipid

O receptor

O enzyme

O active site

The spread of defective cells from one location to another part of the body is called?

What prevented early plants from moving far from water?

Which of the following may be found in eukaryotic cells, but not in bacteria? ribosomes DNA plasma membrane flagella endoplasmic reticulum

Which organism is an example of a producer? moth mushroom rose cheetah

Which statement best describes a difference between electromagnetic waves and mechanical waves? a. mechanical waves can transfer matter through empty space. b. electromagnetic waves vibrate in two directions that are perpendicular to each other. c.

Explain why cells are typically small?

For plant stem length, the dominant allele for height is T and the recessive allele is t. If a heterozygous parent for tall stem length crossed with a homozygous recessive parent for short stem length, what would be the phenotypes of the offspring?

How big is a western toad

Whats the least permeable type of soil?

Most animals reproduce sexually by producing