Anatomy of cells- Chapter 3

Question 1

Cell theory

Answer 1

all living things are made of cells
cell is the fundamental unit of life
human body is made of 100 trillion cells
conceived in 1830’s by german scientists

Question 2

Differentiation of cells

Answer 2

each cell is specialized

Question 3

nerve cells

Answer 3

detect changes in the environment

Question 4

muscle cells

Answer 4

contract for movement

Question 5

red blood cells

Answer 5

transport oxygen

Question 6

gland cells

Answer 6

release hormones

Question 7

immune cells

Answer 7

destroy bacteria

Question 8

plasma membrane

Answer 8

guarantees cell integrity

shape, permeability, individual cell

Question 9

cytoplasm

Answer 9

intercellular fluid

Question 10

nucleus

Answer 10

contains genetic code

Question 11

Only cell in human body with no nucleus?

Answer 11

red blood cells

Question 12

smooth endoplasmic reticulum

Answer 12

synthesizes PROTEINS

Question 13

rough endoplasmic reticulum

Answer 13

synthesizes LIPIDS and CARBohydrates

Question 14

golgi apparatus

Answer 14

process and package carbohydrates and proteins

Question 15

lysosomes

Answer 15

digestive system of the cell

Question 16

peroxisomes

Answer 16

detoxify harmful substances with enzymes

Question 17

mitochondria

Answer 17

powerhouse of the cell

make atp

Question 18

ribosomes

Answer 18

protein factories

synthesizes proteins

Question 19

cytoskeleton

Answer 19

framework and support the cell

Question 20

desmosome

Answer 20

skin cells

interlocking of cells

Question 21

gap junction

Answer 21

heart, muscle cells

allows passage of impulses

Question 22

tight junction

Answer 22

lining of the intestines

impermeable (keeps the stuff inside)

Question 23

microvilli

Answer 23

small, dense projections

Question 24

cilia

Answer 24

hair-like projections

Question 25

flagella

Answer 25

single, long structured tail used for movement

only found on sperm