Through a microscope, you can see a cell plate beginning to develop across the middle of a cell and nuclei forming on either side of the cell plate. This cell is most likely
a. an animal cell in the process of cytokinesis.
b. a plant cell in the process of cytokinesis.
c. a bacterial cell dividing.
d. a plant cell in metaphase.
검증된 단계별 안내
1
Identify the key features described in the problem: a cell plate developing across the middle of a cell and nuclei forming on either side.
Recall that cytokinesis is the process where the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.
Understand that in plant cells, cytokinesis involves the formation of a cell plate, which eventually develops into a new cell wall separating the two daughter cells.
Recognize that animal cells do not form a cell plate during cytokinesis; instead, they form a cleavage furrow.
Conclude that the presence of a cell plate and nuclei indicates the cell is a plant cell undergoing cytokinesis.
비슷한 문제에 대한 검증된 영상 답변:
이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
1m
영상 재생:
0 댓글
주요 개념
질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.
Cytokinesis
Cytokinesis is the process during cell division where the cytoplasm of a parental cell is divided into two daughter cells. In plant cells, this occurs through the formation of a cell plate that eventually develops into a new cell wall, while in animal cells, the cytoplasm is pinched inwards. Understanding this process is crucial for identifying the type of cell division occurring.
The cell plate is a structure that forms during cytokinesis in plant cells, arising from vesicles that coalesce at the center of the cell. This plate eventually develops into a new cell wall, separating the two daughter cells. Recognizing the presence of a cell plate is key to distinguishing plant cell division from that of animal cells.
Nuclear division, or mitosis, is the process where the cell's nucleus divides, resulting in the formation of two nuclei. This process is essential for ensuring that each daughter cell receives an identical set of chromosomes. The observation of nuclei forming on either side of the cell plate indicates that the cell is in the later stages of cytokinesis following mitosis.