Both types of cells need to replicate to create more cells and pass on their genes. Even eukaryotic cells need to replicate to pass on their genes, as not all eukaryotes are animals or plants.
Answer:
The first question is answer A. The question asks for the independent variable, meaning this variable doesn't depend on any other variable. B is the dependent variable because the life span depends on the vitamin.
The second answer is A, the control group. It cannot be the other groups because they aren't real groups. Independent and dependent are variables, not groups.
The epidermis. It's the first layer of skin.
Answer:
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust. The lowest layer of the atmosphere is denser than the upper layer.
Answer:
A. Transcription
Explanation:
Transcription comes first in the process of protein synthesis.
