Unit 1 - Cell Structure

Question 1

Define Ultrastructure

Answer 1

An organelle is a structure within a cell, that preforms a specific function. Together, all the organelles inside of a cell are known as its ultrastructure.

Question 2

Ultrastructure of a Bacteria Cell

Answer 2

-Bacteria cell walls are not made of cellulose.
-They have no nucleus, instead they have plasmids and bacterial chromosomes.

Question 3

Ultrastructure of a Fungal Cell

Answer 3

-Fungal cells share lots of similarities with plant cells, but they do not have chloroplasts, and their cell walls are not made of cellulose.

Question 4

Define Nucleus

Answer 4

Controls cell activites, contains DNA.

Question 5

Define Cytoplasm

Answer 5

Site of chemical reactions

Question 6

Define Cell Membrane

Answer 6

Controls the entry and exit of materials

Question 7

Define Ribosome

Answer 7

Site of protein synthesis

Question 8

Define Mitochondria

Answer 8

Site of aerobic respiration

Question 9

Define Cell Wall

Answer 9

Provides the cell with structure and support

Question 10

Define chloroplast

Answer 10

Site of photosynthesis

Question 11

Define vacuole

Answer 11

Contains cell sap, maintains cell shape.

Question 12

Define bacterial chromosome

Answer 12

Controls cell activities, contains DNA.

Question 13

Define Plasmid

Answer 13

Circular ring of genetic information.