What was the purpose of the vinegar in the third trial?

1. test the effect of raising pH on enzyme action

2. test the effect of lowering pH on enzyme action

3. serve as a control

4. served no purpose

Why is cell division useful even in an adult who isn't even growing

An object has a kinetic energy of 25 J and a mass of 35 kg, how fast is the object moving?

What is the name given to the branch of science that pertains to the composition of matter and the changes that matter undergoes? a. biology b. chemistry c. physics d. physical science?

A defect in the what results in difficulty in visual detection of color and fine detail

If a genetic mistake (i. e., a mutation) occurred during replication, and the new DNA strand has the sequence CAG, what amino acid would result? A. Valine B. Arginine C. Leucine D. Alanine

DNA, the genetic material of living organisms, is damaged by light in the A) visible region of the spectrum. B) ultraviolet region, especially below a wavelength of 320 nm. C) ultraviolet region, especially above a wavelength of 340 nm.

Genetic engineering to create biomedical products that benefit society often involves of recombinant DNA technology. Recombinant DNA is DNA that has?

What is biology and name all the branches of biology that you know?

How Does crossing-over leads to greater variability of phenotypes?

After several miles of running and sprinting in intervals, the runner's muscles ache and feel fatigued. Which is the best explanation for what has occurred?