The correct answer for the question that is being presented above is this one: "(3) nucleus and ribosome." The two cell structured work together in the process of protein synthesis are the nucleus and ribosome.
Here are the following choices:
(1) nucleus and chloroplast
(2) ribosome and vacuole
(3) nucleus and ribosome
(4) mitochondrion and cell membrane
No, it does not, because the octet rule says that an atom needs to have eight electrons in its valence shell to be stable. The exceptions are hydrogen and helium, which need only two electrons. This atom has only one electron.
So the astronauts can drink in space
The specific adaptation of the sloths to their niche is energy conservation: they survive by trying not to loose any energy and trying not to move too much. They have less muscle because they don't need it: their adaptation is to move less. So the correct answer is to a) conserve energy.
Answer: True
Explanation: Plants use osmosis to transport water from the soil into their roots.