AP Bio Cell Notes

Question 1

Cell membrane or also called

Answer 1

Plasma membrane or phospholipid bilayer

Question 2

Cell membrane is the ________ part of cell to help maintain _____.

Answer 2

Outer, homeostasis

Question 3

Cell membrane is ___________, allows certain things to go in or out of cell due to its ________

Answer 3

Selectively permeable, nonpolar interior

Question 4

What makes up cell membrane

Answer 4

Phospholipid
Carbohydrates
Steroids
Proteins

Question 5

What are two types of proteins

Answer 5

Peripheral and integral

Question 6

Peripheral proteins

Answer 6

Attached to inner or outer surface of cell membrane, used in recognition of materials

Question 7

Integral proteins

Answer 7

Extend through both layers of cell membrane transport material in or out of cell

Question 8

Phospholipid

Answer 8

2 layers main component

Question 9

Carbohydrate

Answer 9

Helps cells stick together serve as recognition sites on cell for hormones viruses and rH factors

Question 10

Steroids provide

Answer 10

Strength

Question 10

Cell membrane described as _____

Answer 10

Fluid mosaic model

Question 11

Fluid

Answer 11

Parts aren’t stationary and move freely

Question 12

Mosaic

Answer 12

Made of lots of pieces PUT together

Question 13

Region in cell from _____ to _____. Molecule??

Answer 13

Nucleus, cell membrane
Cytoplasm

Question 14

Contains all organelles in cell

Answer 14

Cytoplasm

Question 15

Gel like aqueous fluid _____ cell where minerals salts and organic molecules are _____. Molecule??

Answer 15

Inside, dissolved
Cytosol

Question 15

Largest structure in animal cells

Answer 15

Nucleus

Question 16

Where ____ is located and stored and where ___ is transcribed or copied

Answer 16

DNA, RNA

Question 17

Parts of nucleus

Answer 17

Nuclear matrix
Nuclear envelope
Nuclear pores
Nucleolus

Question 18

Protein skeleton helps maintain the nucleus shape

Answer 18

Nuclear matrix

Question 19

Double membrane that surrounds nucleus

Answer 19

Nuclear envelope

Question 20

Small holes in nuclear membrane where RNA passes from nucleus to cytosol

Answer 20

Nuclear pores

Question 21

Inside nucleus where ribosomes assembled before moved to cytosol

Answer 21

Nucleolus

Question 22

DNA can exist in two forms

Answer 22

Chromatin and chromosomes

Question 23

Chromatin

Answer 23

Thin strands of DNA in nucleus; state when DNA exists in nucleus most of time

Question 23

Condensed chromatin state of dna during cell division

Answer 23

Chromosomes