CELLULAR ACTIVITIES & MITOSIS

Question 1

Requires no energy, molecules move from high to low concentration

Answer 1

Simple diffusion

Question 2

Is a passive process which means no energy is used to make the molecules move, they have a natural kinetic energy

Answer 2

Diffusion

Question 3

A solution whose solute concentration is the same as the solute concentration inside the cell

(same sa labas and loob)

Answer 3

Isotonic

Question 4

A solution whose solute concentration is lower outside than the solute concentration inside the cell

(marami sa loob kunti sa labas)

Answer 4

Hypotonic

Question 5

A solution whose solute concentration is higher than the solute inside the cell

(Marami sa labas, kunti sa loob)

Answer 5

Hypertonic

Question 6

The direction of water movement is EQUILIBRIUM, water flow in both outside and outside

Answer 6

Cell in isotonic solution

Question 7

The direction of water movement is going INSIDE the cell

Answer 7

Cell in hypotonic solution

Question 8

The direction if water movement is GOING OUT of the cell

Answer 8

Cell in hypertonic solution

Question 9

Cells in solution (ISOTONIC SOLUTION)

Answer 9

EQUAL amounts of water leaving and entering

Question 10

Cells in solution
(HYPOTONIC SOLUTION)

Answer 10

Cytolysis

Question 11

Cells in solution
(HYPERTONIC SOLUTION)

Answer 11

Plasmolysis

Question 12

The destruction of a cell

Answer 12

Cytolysis

Question 13

The shrinking of a cell

Answer 13

Plasmolysis

Question 14

3 forms of transport across the membrane

Answer 14

• simple diffusion
• facilitated diffusion
• active transport

Question 15

Doesnt require energy, moves from high to low concentration

Answer 15

Simple diffusion

Question 16

Does not require energy, uses transport proteins to move high to low concentration

Answer 16

Facilitated diffusion

Question 17

Requires energy or ATP, moves materials from low to high concentration

Answer 17

Active transport

Question 18

Needs 3Na+ pumped in every 2K+ pumped out creates a membrane potential

Answer 18

Sodium - potassium pump

Question 19

Types of active transport moving things OUT

Answer 19

Exocytosis

Question 20

Types of active transport large molecules move materials into the cell

Answer 20

Endocytosis

Question 21

3 forms of endocytosis

Answer 21

• Pinocytosis
• receptor - mediated
• phagocytosis

Question 22

Most common form of endocytosis, cell forms an invagation (cell drinking)

Answer 22

Pinocytosis

Question 23

Some integral proteins have receptor on their surface to recognize & take in hormones, cholesterol

Answer 23

Receptor - mediated

Question 24

Used to engulf large particles such as food, bacteria into vesicles (Cell eating)

Answer 24

Phagocytosis

Question 25

The cell cycle consists of

Answer 25

•Interphase • mitotic phase

Question 26

Phase of cell division

Answer 26

Mitotic phase

Question 27

Phase of a normal cell activity

Answer 27

Interphase

Question 28

3 function of cell division

Answer 28

• reproduction • growth and development • tissue renewal

Question 29

It is an integral part of the cell cycle

Answer 29

Cell division

Question 30

Genetic information genome, package into chromosomes

Answer 30

DNA

Question 31

How many chromosomes in human cells?

Answer 31

46 chromosomes

Question 32

Chromosomes are composed of a complex of DNA and protein called?

Answer 32

Chromatin

Question 33

An order visual representation of the chromosomes in a cell

Answer 33

Karyotype

Question 34

Control different traits, look different

Answer 34

Non - homologous chromosomes

Question 35

Distinct from each other in their characteristics represented by X and Y

Answer 35

Sex chromosomes

Question 36

2 member of each pair are called?

Answer 36

Homologous chromosomes

Question 37

Look the same, control the same traits

Answer 37

Homologues

Question 38

Each one was inherited from a different parent

Answer 38

Independent origin

Question 39

It is a constricted region of the chromosome conataining a specific DNA sequence

Answer 39

Centromere

Question 40

2 bound disc of protein, serve as points of attachment for microtubules

Answer 40

Kinetochores

Question 41

A cell possesing two copies of each chromosome

Answer 41

Diploid

Question 42

A cell possesing a single copy of each chromosome

Answer 42

Haploid

Question 43

Phases of the cell cycle

Answer 43

• interphase • mitosis • cytokinesis

Question 44

3 stage of interphase

Answer 44

• G1 - primary growth • S - genome replicated • G2 - secondary growth

Question 45

A nuclear envelope bounds the nucleus

Answer 45

G2 of interphase

Question 46

The chromatin fiber become more tightly coiled, condensing into discrete chromosomes observable with a light microscope

Answer 46

Prophase

Question 47

It is the longest stage of mitosis, lasting about 20 minutes

Answer 47

Metaphase

Question 48

It is a shortest stage of mitosis, lasting only a few minutes

Answer 48

Anaphase

Question 49

Two daughter nuclei begin to form in the cell

Answer 49

Telophase

Question 50

Cleavage of a cell into two halves

Answer 50

Cytokinesis