Cell Biology Answers

1.3) Name the structure from which the cillia is derived?

1.3) What is the name of the structure which anchors the cilium in the cell?

1.3) Draw a simple diagram to show the structure of a cilium.

1.3) Describe the structure of cilia and flagella.

1.3) Tabulate the three main components of the cytoskeleton describing the protein structure of each component (monomers) and give the functions.

1.3) What is a cytoskeleton and why is it said to be a dynamic structure?

1.2) a. Nucleus; b. Cytosol; c. Ribosome; d. Cytoplasm; e. Nucleolus; f. Rough ER; g. Cell membrane; h. Cell Wall; i. Smooth ER; j. Mitochondria

Consider the above list of cell structures and answer:

1. Name one structure listed above as a key word (B) that can be found in plant cells but not animal cells.
2. Which of the structures listed in B are not organelles - and why?

1.2) Which cell structure (alphabet) matches with the description of each (numbers)

1.   a gel-like substance that fills out the cell between the cell membrane

2.   contains most of the cell’s genetic material through chromatin

3.   responsible for making collagen

4.   flexible structure that surrounds every cell type.

5.   the “power centers” of the cell

6.   where ribosomes are assembled

7.   manufactures enzymes found inside the cell

8.   manufactures lipids

a. Nucleus

b. Cytosol

c. Ribosome

d. Cytoplasm

e. Nucleolus

f. Rough ER

g. Cell membrane

h. Cell Wall

i. Smooth ER

j. Mitochondria

In what way that DNA replication in E. coli shares the profound common ground with DNA replication in human?

1. Mitochondria and chloroplast are energy related organelles that plat important role in living organisms.

a). Identify the importance of thylakoid membrane in chloroplast and the inner membrane of mitochondria.

b). Describe the possible outcome if proteins along these two membranes denature?

c). Describe an example of minimal energy production that a eukaryote organism may undergo to sustain living in a limited oxygen supply condition. Support your answer with appropriate equation.