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

What is respiratory rate and pulse at rest? are they within the normal range?

How many base pairs are in one chromosome?

Which of the following correctly describe electric field lines? Check all that apply O A. They begin on north poles and end on south poles. B. Field lines that are close together indicate a stronger electric field. C.

A researcher has applied penicillin to a new strain of Gram-positive bacteria. Surprisingly, she observes no adverse effects on these bacteria. Which statement would best explain her observation?

Which took longer to form: sea stack, sea arch, or sea cave? explain

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.