___ is often a major part of fertilizers since the plant cannot usually produce (or obtain) sufficient amounts. Which of these is not a recognized class of plant hormone? Food
Sugars
Nitrogen
Potassium

A scientist thought he may have discovered a new plant compound that would lower blood pressure in people. In his first experiment, he injected one hundred mice with the compound and found that the blood pressure in ninety-five of the treated mice was not affected. However, all of the mice seemed to grow at a faster rate then the control group. Which statement describes the most likely outcome of this investigation?a. The knowledge gained will lead to further experimentation that could potentially result in a new use for the drug.
b. He will develop a second experiment to find a way to make the drug successfully lower blood pressure in mice.
c. The data he collected will be used in new investigations to determine why certain people are taller than others.
d. He will use these results to conclude that the drug will most likely lower blood pressure in five percent of people.

What is a substrate?

Identify the missing word. Jack has been very unreliable making loan payments in the past. He has been late on many payments, and completely missed several others. He can expect to now have a ___________.

Why is gel electrophoresis able to separate strands of DNA

Which of the following statements is FALSE? a. Vitamin A supplements can sometimes cure nyctalopia because vitamin A can be converted into retinal.
b. Nyctalopia affects vision in the fovea centralis, resulting in impaired vision.
c. Retinitis pigmentosa is a disorder in which the discs released from rods are not properly phagocytized.
d. All of the listed responses are false.

A variable that is described using both a number and a direction is called ________