Chemistry Of Living Things

Question 1

Homeostasis

Answer 1

Stable equilibrium

Question 2

Diffusion

Answer 2

Moving molecules from through the cell membrane from high to low concentration

Question 3

Active transport

Answer 3

Moving molecules from low to high using ATP energy

Question 4

Carbon dioxide?

Answer 4

CO2

Question 5

Water?

Answer 5

H2O

Question 6

Glucose?

Answer 6

C6H12O6

Question 7

Organic substance?

Answer 7

Has carbon and nitrogen backbone

Question 8

INorganic substance

Answer 8

Don’t have nitrogen and carbon together

Question 9

All living organisms have _____?

Answer 9

Both organic and inorganic substances

Question 10

Organic substances (4)

Answer 10

1) . Proteins
2) . Lipids
3) . Carbohydrates
4) . DNA

Question 11

What are enzymes?

Answer 11

Proteins

Question 12

What do enzymes do? (2)

Answer 12

EITHER

1) . Make (synthesize)
2) . Break down (digest)

Question 13

What could make an enzyme not work? (Ruin it’s shape)

2

Answer 13

Wrong temperature

Wrong PH

Question 14

Digestion?

Answer 14

Breaks down complex molecules into simple molecules.

Question 15

Digestive system?

Answer 15

Breaks down food that can be absorbed in the small intestine

Question 16

What hormone does the pancreas make?

Answer 16

Insulin

Question 17

Where does food travel down?

Answer 17

Esophagus

Question 18

What does the stomach contain to break down food

Answer 18

Hydrochloric acid

Question 19

What does the liver do?

Answer 19

Break down red blood cells and makes bile

Question 20

What does bile do?

Answer 20

Helps digest fat

Question 21

What does the Gallbladder do?

Answer 21

Helps distribute bile into the small intestine

Question 22

What happens in the small intestine? (3)

Answer 22

Digestion, diffusion, food molecules go into your blood stream

Question 23

What happens in the large intestine? (2)

Answer 23

Water is absorbed, fecal matter is stored

Question 24

What does the digestive system do??

Answer 24

Breaks down carbohydrates(CO2), into simple sugars so that the body can absorb it through the small intestine

Question 25

Digestive system malfunctions (3)

Answer 25

1) .Diarrhea 2) . Constipation 3) . Ulcers

Question 26

Circulatory system malfunctions (2)

Answer 26

1) . Heart Disease 2) . Heart Attack 3) . High blood pressure

Question 27

Respiratory system malfunctions (3)

Answer 27

1) . Emphysema (difficulty breathing) | 2) . Lung cancer

Question 28

Excretory system malfunctions (1)

Answer 28

1). Urinary track infection

Question 29

Nervous system malfunctions (1)

Answer 29

1). Brain tumor

Question 30

Photosynthesis formula=

Answer 30

``` Carbon dioxide (6CO2) + Water (6H2O) + Light = Sugar (C6H12O6) + Oxygen (6O2) ```

Question 31

What is at the 1st trophic level?

Answer 31

Producers

Question 32

What is at the 2nd trophic level?

Answer 32

Herbivores

Question 33

What is at the third trophic level?

Answer 33

Carnivores

Question 34

What is at the top of the trophic level pyramid?

Answer 34

Top predators

Question 35

Why is there less energy available at each trophic level going from the first to the third trophic level?

Answer 35

Because some energy is used by the organisms at each level and is not available to the organisms at the next level.

Question 36

What is cellular communication?

Answer 36

Communication methods of living things

Question 37

What are receptors?

Answer 37

An organ/ cell that is able to respond to stimuli and transmit a signal to the sensory system

Question 38

Cellular Respiration formula

Answer 38

Glucose+O2=ATP, CO2, H2O

Question 39

what do white blood cells do?

Answer 39

Make Antibodies Engulf pathogens

Question 40

What do antibodies do?

Answer 40

Fight off infection

Question 41

Where are antigens located?

Answer 41

On pathogens