Lesson 1.3 (A)

Question 1

Explain the process of a prokaryote forming into a eukarote.

Answer 1

1. Ancestral Prokaryotic
2. Infolding of Plasma Membrane
3. Endosymsiosis
4. Ancestral Eukaryote

Question 2

What are the roles of an Organelle?

Answer 2

1. Genetic control of the cell.
2. Endomemebrane system.
3. Energy house.

Question 3

Briefly explain the structure of a Nucleus.

Answer 3

Oval structure and located almost at the center of the cell.

Question 4

Parts of the Nucleus:

semifluid matrix

Answer 4

Nucleoplasm

Question 5

Parts of the Nucleus:

separates the nucleus from the cytoplasm.

Answer 5

Nuclear Envelope

Question 6

Parts of the Nucleus:

permit the passage of ribosomal subunits and mRNA out of the nucleus into the cytoplasm.

Answer 6

Nuclear Pores

Question 7

organelles that use certain instructions from the nucleus written in mRNA to build proteins.

Answer 7

Ribosome

Question 8

type of ribosomes found in the cytosol.

Answer 8

Free Ribosomes

Question 9

type of ribosomes attached to the outside of the endoplasmic reticulum or nuclear envelope.

Answer 9

Bound Ribosomes

Question 10

Endoplasmic Reticulum:

○ have thousands of ribosomes attached to the outer surface.

○ produces proteins.

Answer 10

Rough ER