If you are growing a culture of bacteria (150ml) in the incubator, (a) what size flask should you use, and (b) should you cap the tube tightly or keep the cap loose? why?

How do different processes reshape earths surface?

What is the the definition of a gene?

Most of the activities of a cell, including growth and division, are carried out by the use of carbohydrates. the movement of fats. the production of proteins. the storage of water.

What is character displacement

Why is a frameshift mutation more damaging than a substitution?

Which of the following has a strong, positive inotropic effect, meaning it increases the strength of each contraction of the heart?

Acid precipitation is an agent of what kind of weathering?

When do scientists consider a hypothesis valid? A. when the hypothesis is testable B. when the hypothesis is published in a scientific journal C. when more than one person supports the hypothesis D. when experimentation shows it to be true

In cherry trees, white flowers are dominant over pink flowers. cross a homozygous dominant tree with a purebred recessive tree. what is the phenotypic ratio of the offspring? a. 4 ww b. 4 white selected: c. 4 ww d. 4 pink

What happens to Earth when it is farthest from the sun? A) It moves fastest, B) It stops rotating, C) It moves slowest. D) It stops revolving