Answer:
Existen células sin núcleo?, ¿Qué característica importante debieron adquirir las células que constituyeron los primeros seres vivos pluricelulares?
Explanation:
Answer:
The reactions that occur when acid rain hits a brick building
Explanation:
The passage mentions what a biochemical process is, biochemistry combines chemistry and biology. With this alone, we know that acid rain is apart of biology, and the reaction is has on a building is chemistry.
There are 4 factors for evolution: mutation, gene flow, genetic drift, and natural selection. Natural selection is the strongest
Answer:
Nervous: carries messages
muscular: moves the body
epithelium: found in cartilage
connective: found in cartilage
Explanation:
Answer:
a. methylation at lysine 9 or 27 of histone H3.
Explanation:
Methylation causes the switching off of genes using steric hinderance to prevent access to DNA.