Answer:
D. It allows some molecules to pass through but prevents others from doing so.
Explanation:
Plasma membrane or cell membrane is a selective permeable membrane which allows light molecules to pass and prevents heavy molecules.
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Answer:
The two main processes of cell division, meiosis and mitosis, have in common their main steps. In both cases the metaphase ( pairing of homologous chromosomes), anaphase (migration of chromosomes to the ends) and telophase (beginning of DNA decondensation and cell division) are very similar.
The greatest difference occurs in prophase I of the meiosis, which involves the process of recombination (cross over), resulting in variability in the gametes.
Another difference is that meiosis is a reductional process, where the final result of meiosis will be gamens with half of the genetic information, and in mitosis both cells will be equal.
Answer:
B
Explanation:
thsey both move or break rocks
The leading cause of death for paddlers in small crafts such as kayaks, canoes and rafts is Drowning. Paddling down a river or across a lake in a small boat can be an enjoyable but, according to statistics, people in small boats, such as canoes, kayaks, and rafts, are more than twice as likely to drown as individuals operating larger vessels.
