What is true of post-transcriptional controls in a eukaryotic cell?
they can regulate the splicing of mrna molecules.
they can regulate the rate at which a molecule is translated.
they must occur in the nucleus before the rna moves into the cytoplasm.
i only
i and ii
ii only
ii and iii

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Pls in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water