Choose the best CORRECT answer. 1. What represents the most basic level of biolo

Question

Choose the best CORRECT answer. 1. What represents the most basic level of biological organization that can carry out all properties of life? a Cell b. Atom Tissue d. Molecule e. Organism 2. How does a prokaryotic cell differ from a eukaryotic cell A prokaryotic cell has no membrane-enclosed organelles A prokaryotic cell has a plasma membrane a. b. c A prokaryotic cell contains organelles d. A prokaryotic cell has a nucleus e. A prokaryotic cell has DNA Which best describes a result of sexual reproduction? The only source of variation is mutation Clones of the original cell are produced a. b. . One cell divides to produce two identical cells d. Two sex cells combine to form a fertilized cell e. The offspring obtain genes only from one parent 4 When tissues come together, what do they form? a. Cell b. Nucleus . An atom d. An organ e. An enzyme im that is eukarvotic, multicellular, and

Explanation / Answer

Answer:

1). a. Cell

Explanation: Cell is the basic structural and functional unit of the all biological organisms.

2). a. A prokaryotic cell has no membrane –enclosed organelles

Explanation: Prokaryotic cell doesn’t have nuclear membrane and other membrane bound organelles. But they are present in the eukaryotic cells.

3). d. Two sex cells combine to form a fertilized cell

Explanation:

Two sex cells, sperm and egg fuse (fertilize) to produce diploid zygote.

4). d. An organ

Explanation:

The order is cell---tissue----organ—organ system----organism

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