Biology 3 Bimester Exam

Question 1

White blood cells

Answer 1

Protect your body from illness and infection, some attack viruses, fungi, bacteria, and parasites that invade your body

Question 2

Muscle cell

Answer 2

Contracting and relaxing

Question 3

Sperm cell

Answer 3

Male sex cell formed in testis

Question 4

Ovum cell

Answer 4

Female sex cell form in ovary

Question 5

Fertilization

Answer 5

During this process the sperm and the ovum join together

Question 6

Neuron

Answer 6

A nerve cell’s projection that cab send signals over lobg distances

Question 7

Cell theory

Answer 7

• States that all living things are made of one or more cells
• All new cells come from a preexisting cell
• Cell is the smallest unit in life

Question 8

Macromolecules

Answer 8

Formed by joining many small molecules together

Question 9

Nucleic acids

Answer 9

Macromolecules that form when long chains of molecules called nucleotides join together

Question 10

Proteins

Answer 10

Long chains of amino acid molecules

Question 11

Lipid

Answer 11

Large macromolecule that does not dissolve in water

Question 12

Carbohydrates

Answer 12

Fat; one or more chains of sugar molecules make up carbohydrates

Question 13

Passive transport

Answer 13

Is the movement of substances through a membrane without usiing cell’s energy

Question 14

Diffusion

Answer 14

The movement of a substance from an area o high concentration to an area of low concentration

Question 15

Facilitated diffusion

Answer 15

Molecules pass through a membrane using special proteins called transport proteins

Question 16

Osmosis

Answer 16

The diffusion of water only through a membrane

Question 17

Active transport

Answer 17

The movement of substances that use cell’s energy

Question 18

Endocytosis

Answer 18

Process in which a cell takes in substances by sorrounding

Question 19

Exocytosis

Answer 19

Process in which cell’s vesicles release contents to the outside

Question 20

Difference between smooth and rough endoplasmic reticulum

Answer 20

Rough contains ribosomes

Question 21

Centriole

Answer 21

Organize the microtubules during cell’s division

Question 22

Nucleus

Answer 22

Contains genetic info stored in the dna

Question 23

Vesicle

Answer 23

Ball like structures, form a billayer

Question 24

Mitochondria

Answer 24

The site for cellular respiration and producers of energy

Releases energy in a cell

Question 25

Cytoskeleton

Answer 25

Short, hairlike structures that gives framework to a cell and helps it move

Question 26

Vacuole

Answer 26

Store food and waterr

Question 27

Golgi

Answer 27

The responsible of storing and packaging of cellular products

Question 28

Cell membrane

Answer 28

Protects the inside of the cell and decides what can come in and out

Question 29

Lysosome

Answer 29

Digest cellular waste

Question 30

Ribosomes

Answer 30

Made of rna and proteins site of protein synthesis | Proteins are made there

Question 31

Chloroplast

Answer 31

Release chlorophyll and makes food by photosynthesis

Question 32

Carbohydrates

Answer 32

Some of the essential macromoleculws that are essential to cell function

Question 33

Monosaccharides

Answer 33

Made of only one sugar compound

Question 34

Lipid

Answer 34

Important monosaccharide/ helps fuel cellular respiration

Question 35

Disaccharide

Answer 35

Made of two sugars: glucose and fructose

Question 36

Sucrose

Answer 36

Easy to digest and quick source of energy for the body

Question 37

Polysaccharide

Answer 37

When several sugars combine they form this Can be hundredss of simple sugars Form long chains called starches

Question 38

Starches

Answer 38

Found in grains, corn and potatoes | Healthier, longer-lasting source of energy for the body than sucrose

Question 39

Cellulose

Answer 39

Is a polysaccharide that supports a plants cell Walls It adds strength and thoughness to a tree's trunk, branches, roots, and leaves

Question 40

Structural polysaccharide

Answer 40

Cellulose

Question 41

Cellulose is found in...

Answer 41

Plant cells not in animal

Question 42

Role that water play in cell survival

Answer 42

Protective membrane Communication Store energy

Question 43

Carbohydrates play in health of a cell

Answer 43

Store energy, provide structural support, are needed for communication between cells Is the main source of energy

Question 44

Lipids dont...

Answer 44

Dissolve in water

Question 45

Cellular respiration

Answer 45

Series of chemical reactions that convert energy in fiif molecules into a form of energy called ATP

Question 46

Glycolysis

Answer 46

Process by which glucose: a sugar: is broken down. Into small molecules

Question 47

Fermentation

Answer 47

Reaction that euka and proka cells can use ti obtain energy from food when oxygen levels are low

Question 48

Photosynthesis

Answer 48

Series of chemical reactions that convert sunlight, water and carbon dioxide into food-energy molecule glucose and give off oxygen

Question 49

Some info about fermentation | Cytoplasm

Answer 49

``` Chemical reaction: Lactic acid; C6H12O6(glucose)----> ATP+lactic acid Alchoholic; Glucose---->ATP+CO2(carbon dioxide) + alchohol Energy source: glucose Subs used: LA AF Subs formed: ATP+lactic acid ATP+CO2+alchohol ```

Question 50

Some info about cellular respiration | Mitochondria

Answer 50

``` Chemical reaction: C6H12O6----> 6CO2+6H2O+ATP Energy source: glucose Subs used: glucose plus oxygen Subs formed: CO2, H20, ATP ```

Question 51

Some info about photosynthesis | Chloroplast

Answer 51

6CO2+6H2O---->C6H12O6+6CO2 Energy source: solar energy Subs used: CO2, H2O Subs formed: glucose and oxygen

Question 52

Cell wall

Answer 52

Stiff structure outside the cell membrane

Question 53

What is an indicator

Answer 53

Is a substances that chances color in the prescense of the substance it indicates

Question 54

2 example of indicators

Answer 54

Iodine | Bromthymol blue

Question 55

Andenoise triphosphate

Answer 55

Fuel for cellular processes such as growth, cell material, material transport

Question 56

Red blood cells

Answer 56

Carry oxygen and travel to small blood vessels