Why do all chemical reactions require activation energy?

What is an adaptation to saltbrush that would aid in surviving saline conditions

7. A system of stars orbiting a common center of gravity A) solar system B) universe C) galaxy D) biosphere 8. The group of eight planets and other matter that orbits the sun. A) solar system B) universe C) galaxy D) biosphere 9.

Identify the following as part of active transport or passive transport. diffusion a. active transport b. passive transport

What is the difference between a cultivar and a variety?

Some bacteria ferment glucose but not sucrose even though sucrose is a disaccharide composed of glucose and fructose. why?

Which best describes a tendon? a flexible tissue that acts as a shock absorber between bones a somewhat elastic tissue that connects bone to either bone or cartilage a flexible and compressible tissue that provides joint stability a tough and

What are the five organ system to digest a hamburger in your body?

In order to control occasional pain and inflammation, a person uses an over-the-counter drug containing ibuprofen. interestingly, recent research shows that person also may be reducing the risk of contracting which disease?

Which statement best summarizes what happens during transcription? A DNA template is used to create an mRNA strand. An mRNA template is used to create a DNA strand. A DNA template is used to create a ribosome.

Describe how chromosomes and genes are related