Pollen

What is the correct genotype

percentages for the offspring

of this cross?

BB

Bb

pistil

A theory is an idea that is accepted as being true with a high level of certainty. Question 4 options: True False

Compare and contrast bacteria and animal and plant cells

What would be the consequences of the following? (A) A mutation of a promoter sequence such that the promoter is deleted. (B) A mutation of the gene that encodes RNA polymerase such that the polymerase is not made.

Jenna is trying to construct a pedigree for the occurrence of red hair in her family. She has two sisters (one older and one younger), and Jenna is the only one in her family who has red hair.

The updrafts and downdrafts represented within this cloud are primarily caused by differences in? A. altitude above sea level B. air density C. relative humidity D. specific heat

Which is not a step in most scientific investigations? collecting data through observation and measurement observing and experimenting to test a hypothesis proving a theory and writing a new scientific law developing a hypothesis to explain

What makes up a biological community?

Which of these describes the Earth's outer core? A: Hot Solid B: Cold Liquid C: Cold Liquid D: Hot Liquid

If ice we're, like most other substances, more dense than it's liquid form, what would this mean for bodies of water that freeze in the winter? What would happen to the organisms that live in them?

give three examples of a stimulus and a possible response in humans