Which process MUST occur before mitosis and meiosis can occur?
Messenger RNA carries a(n) of the DNA’s instructions out of the nucleus to the .
A) exact copy; ribosome
B) transcript; ribosome
C) exact copy; mitochondria
D) transcript; mitochondria

What is it called when plants lose water though their leaves

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1