What are two variables in determining climate

What organelle is involved in cellular respiration

The rotation of the Earth every 24 hours causes which of the following patterns. A) The rising of the sun in the east and the setting in the west. Eliminate B) The pattern of day and night. C) The pattern of summer and winter D) Both A and B

What is the role of spindle fibers during mitosis

when we get a cut and need to stop the bleeding by clotting the blood (forming a scab), Is this a positive or negative feedback loop?

Describe the movement of air when the diaphragm contracts and relaxes

Differences between the process of aerobic respiration and fermentation

John places a dried bean with a mass of 1.50 g in a cup of water and allows it to sit overnight. The next day he takes the bean out and dries off the excess water and finds the new mass to be 1.85 g.

Which of the following statements is true? a) When you add heat to a substance, its temperature usually increases. b) When a substance gives off heat, its temperature increases. c) Heat and temperature are the same.

What kinds of changes in a cell do second messengers usually causes?

Why did Gregor Mendel use peas in his experimentsGregor Mendel's research formed the basis of the field of