Module 2

Question 1

What does cholesterol do for the plasma membrane

Answer 1

Stabilizes the membrane and increases rigidity

Question 2

What are 3 parts of the plasma membrane

Answer 2

Cholesterol
Proteins
Carbohydrates

Question 3

What is the cytoplasm

Answer 3

Material found between plasma membrane and nucleus. “The streets”

*made of cytoplasm (jelly substance within the cell) and organelle the structures of buildings of the cell

Question 4

What are the non membranous organelles

Answer 4

Cilia
Cytoskeleton
Centrioles
Ribosomes

Question 5

What is a centriole

Answer 5

Cylinder structure that helps organize spindle fibers during cell division

Question 6

What are the membranous organelles

Answer 6

Endoplasmic reticulum
Golgi apparatus
Lysosomes
Mitochondria

Question 7

What is the endoplasmic reticulum?

Answer 7

System of channels that help transport, make and store materials (proteins and lipids)

Question 8

What is the Golgi apparatus?

Answer 8

Modifies, sorts, and packages items for the cell

Question 9

What is the mitochondria?

Answer 9

Produces ATP (cell energy)

Question 10

What are the complimentary base paring for DNA?

Answer 10

Adeline with Thymine (a-t)

Apple truck

Guanine with Cytosine (g-c)
Car garage

Question 11

What are the complimentary base pairing for RNA

Answer 11

Adenine with uracil (a-u)
Guanine with Cytosine (c-g)

Question 12

What is chromatin?

Answer 12

Fine filaments of packaged DNA
- found in non dividing cells

Easy to get to to. Your closet

Question 13

What are chromosomes ?

Answer 13

Super coils of chromatin of DNA.
Extra chromie homie. Hard to get to think of clothes in your suitcase

Question 14

What are the 3 components of the phospholipid bilayer

Answer 14

Cholesterol
Proteins
Carbohydrates

Question 15

What is the cytoskeleton?

Answer 15

Network of fibers that provide structural support and helping cell movement

(Think of our skeleton)

Question 16

What are ribosomes?

Answer 16

Site of where the proteins chains are made they can be free floating in cytoplasm or attached to the rough ER

Question 17

What is the endoplasmic reticulum (er)?

Answer 17

Rough er: studded with ribosomes involved in making of proteins

Smooth er: lacks ribosomes and makes lipids

Question 18

What is the Golgi apparatus?

Answer 18

Modifies, sorts, and packages proteins and lipids for transport.

Question 19

What is the lysosomes?

Answer 19

Contain digestive enzymes to break down waste materials and cellular debris

Question 20

What is the nucleus?

Answer 20

Controls center on the cell, where all dna is stored

Question 21

What is the mitochondria?

Answer 21

The powerhouse of the cell, where atp is made

Question 22

Nucleotides are made up of what?

Answer 22

Contains a phosphate group, a five-carbon sugar, and a nitrogenous base.

Question 23

What are the inner folds of the mitochondria called?

Answer 23

Cristae

Question 24

What structure allows materials to enter and exit the nucleus?

Answer 24

Nuclear pores

Question 25

Which nitrogenous base is only found in RNA?

Answer 25

Uracil

Question 26

Which organelle is ribosome free and helps with making of lipids?

Answer 26

Smooth endoplasmic reticulum.

Question 27

What is the structure of the cell membrane primarily composed of?

Answer 27

A double layer of phospholipids

Question 28

Which organelle is responsible for protein synthesis

Answer 28

Ribosome

Question 29

What is DNA made out of?

Answer 29

Nucleotides

Question 30

Which organelle is the powerhouse of the cell?

Answer 30

Mitochondria

Question 31

Which nitrogenous base is only found in RNA?

Answer 31

Uracil

Question 32

What structure allows molecules to enter and exit the nucleus

Answer 32

Nuclear pores and nuclear envelope

Question 33

What are the nitrogenous bases

Answer 33

Adenine Thymine Cystocine Guanine