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Worksheets

Midterm Review

Total questions: 80

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

What are the primary elements found in sugar molecules?

a)

Carbon, Hydrogen, and Nitrogen

b)

Carbon, Hydrogen, and Oxygen

c)

Carbon, Oxygen, and Nitrogen

d)

Hydrogen, Oxygen, and Nitrogen

2.

How do sugar molecules contribute to the formation of amino acids in the body?

a)

Sugar molecules are directly incorporated into protein structures.

b)

Sugar molecules provide the nitrogen and sulfur found in many amino acids.

c)

Some atoms in sugar molecules are used to make amino acids, which are then assembled into proteins.

d)

Sugar molecules act as catalysts in protein synthesis.

3.

A ​ (a)   is a long chain of ​amino acids that makes up ​ (b)  

Choose from the below words
polypeptide
proteins
polymer
monomer
carbohydrates
lipids
4.
What is the monomer of a lipid?
a)
Monosaccharide
b)
Nucleotide
c)
Glycerol+Fatty Acid
d)
Amino Acid
5.
What is the monomer of a carbohydrate?
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Glycerol+Fatty Acid
6.
_______ dictates the function of a protein
a)
Shape
b)
Temperature
c)
pH
d)
Time
7.
The basic unit of life is a ____________.
a)
atom
b)
molecule
c)
organelle
d)
cell
8.
What is the function of lipids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
9.

Label the diagram

a)blood vessel
b)pancreas
c)liver
d)glucagon
e)glucose
1
2
3
4
5
1)
2)
3)
4)
5)
10.

What is the function of insulin?

a)

diagnose diabetes

b)

turn glucose into energy

c)

help glucose enter the cells of the body

d)

all choices

11.
Storage form of glucose
a)
glycogen
b)
nervous system
c)
tissue
d)
control group
e)
response
12.
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
a)
homeostasis
b)
diabetes
c)
dynamic equilibrium
d)
insulin
e)
circulation
13.
Chemical messengers, mostly those manufactured by the endocrine glands, that are produced in one tissue and affect another
a)
hormone
b)
dynamic equilibrium
c)
osmoregulation
d)
tissue
e)
cell
14.
Low sodium in the blood
a)
hyponatremia
b)
hypernatremia
c)
hyperglycemia
d)
hypoglycemia
e)
hypothermia
15.

This is the "genetic material" that is inside of cells.

a)

DNA

b)

Ribosomes

c)

Lysosomes

d)

Vacuole

16.

If the cell is considered to be EUKARYOTIC, what does that mean about its DNA and nucleus?

a)

It DOES have a NUCLEUS, and the DNA is INSIDE the NUCLEUS

b)

It DOES NOT have a NUCLEUS, and the DNA is free floating in the cytoplasm.

17.

This is an organelle that is present in all cells, it is where proteins are synthesized(made).

a)

Plasma Membrane

b)

Ribosomes

c)

Vesicle

d)

Mitochondria

18.

This is the organelle where energy is created in the form of ATP. Also known as the powerhouse of the cell.

a)

Lysosomes

b)

Nucleus

c)

Chloroplasts

d)

Mitochondria

19.

I am an organelle that helps clean up the cell, break down food, break down the cell when it is dead, and is also considered an enzyme.

a)

Nucleolus

b)

Nucleus

c)

Lysosome

d)

Ribososme

20.

I am an organelle that holds the DNA. I am also considered the control center. If I am a prokaryotic cell I don't have one.

a)

Ribosomes

b)

Plasma Membrane

c)

Nucleus

d)

Vesicle

21.

This organelle is only present in plant cells, it helps by capturing sunlight in order to perform photosynthesis.

a)

Mitochondria

b)

Chloroplasts

c)

Cell Wall

d)

Lysosomes

22.

This organelle is in both plant and animal cells. It is a storage place for water, waste, and some food.

a)

Ribosome

b)

Nucleus

c)

Golgi Apparatus

d)

Vacuole

23.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
24.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
25.
What does selectively-permeable mean?
a)
The cell controls what passes in and out of the cell
b)
Nothing gets through
c)
The cell lets only large substances through
26.

Passive transport ​ (a)   require energy because it moves ​ (b)   the concentration gradient, from ​ (c)   .

Choose from the below words
does NOT
does
with
against
high to low
low to high
27.

Which TWO of the following can be used to identify ACTIVE transport?

a)
Movement of molecules from high to low concentration
b)
Movement of molecules from low to high concentration
c)
Does not require energy
d)

Requires energy (ATP!)

28.

Which of the following images show transport that REQUIRES ENERGY? (more than one answer is correct!)

a)

b)

c)

d)

29.

Why is it important to write down your procedure?

a)

So that I can photocopy it for my friends.

b)

To take up more class time.

c)

So that other scientists can repeat it.

d)

So that I don't have to do it later.

30.
The independent variable is the ONE thing you _____.
a)
change on purpose
b)
control or keep constant
c)
measure
31.
What is the Responding (Dependent) Variable in this graph?
a)
Plant Growth
b)
Growth (cm)
c)
Hours
d)
15
32.

A student wants to test the effects of different types of exercise on heart rate.  What would be the dependent variable of the experiment?

a)

the measurement of heart rate

b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
33.

Hypertonic

a)

High solute, low water

b)

Low solute, high water

c)

Equal solute & water

34.

Isotonic

a)

High solute, low water

b)

Low solute, high water

c)

Equal solute & water

35.

Hypotonic

a)

High solute, low water

b)

Low solute, high water

c)

Equal solute & water

36.

Describe the tonicity of the solution this cell is in that would cause the water to move the way it is.

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

37.

Describe the tonicity of the solution this cell is in that would cause the water to move the way it is.

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

38.

Describe the tonicity of the solution this cell is in that would cause the water to move the way it is.

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

39.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
40.

Name the food test and the type of food that was being tested.

a)

Benedict's test

b)

Glucose

c)

Millon's test

d)

Protein

e)

Iodine test

41.

This solution is change into dark blue when mixes up with the food. Name the solution and the food.

a)

Starch

b)

Iodine

c)

Protein

d)

Millon's reagent

e)

Benedict

42.

What was most likely added to this slide?

a)

Distilled Water

b)

Salt Water

c)

nothing

43.

Cell membranes are said to be selectively permeable. Which statement best explains what selectively permeable means?

a)

The cell membrane prevents any harmful substance from entering the cell.

b)

The cell membrane lets certain substances enter the cell and keeps certain substances out of the cell.

c)

The cell membrane allows only large molecules to diffuse into the cell.

d)

The cell membrane has pores that let only water and glucose into the cell and carbon dioxide out.

44.

Any organism that causes disease like a virus or bacteria is called:

a)

Antibiotics

b)

Antibody

c)

Pathogen

d)

Phagocyte

45.

A molecule that the immune system recognizes either as part of the body or as coming from outside the body:

a)

Antigen

b)

Antibodies

c)

Antibiotics

d)

Antipaths

46.

A protein produced by B cells of the immune system that destroys pathogens is called:

a)

Antigens

b)

Antibodies

c)

T-cells

d)

Lymphocytes

47.

What is a preparation of dead or weakened pathogens that is introduced into the body to cause an immune response?

a)

fungi

b)

vaccine

c)

antigens

48.

Organ transplants will cause an immune response in the body because...

a)

red blood cells will be prevented from carrying oxygen.

b)

antibiotics will be produced that cause blood clotting.

c)

white blood cells will react to the foreign antigens on the organ.

d)

the organ prevents antibodies from being made.

49.

Which structure is made by the human immune system to fight a pathogen?

a)

1--the antibody

b)

2--the antigen

c)

3--the pathogen

50.

Many species of bacteria have become resistant to antibiotics because antibiotics have been so widely used. Now, bacteria that used to be killed by antibiotics are more difficult to treat. What is the best way to proceed in dealing with this public health problem?

a)

Antibiotics should no longer be used.

b)

Antibiotics should be made available to anyone without a prescription.

c)

Antibiotics should only be prescribed to people with bacterial infections.

d)

Anti-viral medications should now be used instead of antibiotics.

51.

The structure responsible for pumping blood throughout the body is

a)

the kidney

b)

the stomach

c)

the brain

d)

the heart

52.

The alternating expansion and relaxation of the artery wall caused by contraction of the left ventricle is

a)

blood pressure

b)

pulse

c)

blood reading

d)

palpitation

53.

What chamber of the heart is identified by the red arrow #1?

a)

left atrium

b)

right atrium

c)

left ventricle

d)

right ventricle

54.

Pulmonary circulation refers to the flow of blood between the heart and the

a)

liver

b)

kidneys

c)

lungs

d)

body

55.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

56.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
57.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Trachea

c)

Epiglottis

58.

What type of cells carry oxygen in the blood?

a)

red blood cells

b)

white blood cells

59.
cleans, moistens, and warms the air
a)
trachea
b)
larynx
c)
nasal passage
d)
windpipe
60.

What is the endocrine system?

a)

A system of vessels that circulates blood around the body.

b)

A group of glands that work together with the nervous system to coordinate all body functions

c)

A group of bones and tissue that provides support and structure for the body.

d)

All of above

61.

If you have diabetes, the gland that helps maintain your sugar levels in equilibrium is your

a)

gut

b)

pancreas

c)

liver

62.

Which three systems work together to move the body?

a)

skeletal, respiratory, digestive

b)

nervous, cardiovascular, skeletal

c)

skeletal, muscular, nervous

d)

cardiovascular, respiratory, digestive

63.

Cells →\rightarrow  ______ → \rightarrow\  ______ →\rightarrow  ______ →\rightarrow  Organism

Which choice gives the levels of organization in the correct order to fill in the blanks.

a)

Organs, Tissues, Organ Systems

b)

Organelles, Atoms, Tissues

c)

Macromolecules, Organelles, Cells

d)

Tissues, Organs, Organ Systems

64.

What are the reactants in cell respiration?

a)

water, carbon dioxide, light

b)

oxygen, sugar

c)

sugar, water, carbon dioxide

65.

What is the energy that is produced in cell respiration?

a)

ADP

b)

Sugar

c)

ATP

66.

Anaerobic means

a)

with oxygen

b)

without oxygen

c)

to run for a long time

67.

According to the graph, what happens when the temperature increases?

a)

respiration rate decreases

b)

respiration rate increases

c)

respiration rate levels off

d)

respiration rate increases then decreases

68.

What do photosynthesis and cellular respiration have in common?

a)

They both require Sun light.

b)

Both are carried on by heterotrophs

c)

They both create energy for an organism to use.

d)

They both transform energy for an organism to use.

69.

What type of organism makes it's own food?

a)

Autotroph

b)

Heterotroph

c)

Consumer

d)

Omnivore

70.

What type of organism has to consume energy?

a)

Producers

b)

Plant

c)

Autotroph

d)

Heterotroph

71.

Please indicate the correct equation(s) for Cellular Respiration. (2 answers)

a)

Glucose + Oxygen --> Carbon Dioxide + Water + Energy

b)

C6H12O6 + O2 --> CO2 + H2O + ATP

c)

Carbon Dioxide + Water + Energy --> Glucose + Oxygen

d)

C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + ATP

72.
Fermentation involves
a)
aerobic respiration
b)
anaerobic respiration 
73.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
74.
What is the name for the mechanism of enzyme activity?
a)
Lock and key
b)
jigsaw puzzle
c)
hammer and nail
d)
two hands pattern
75.
Most enzymes have the ending:
a)
-ase
b)
-ose
c)
-ic acid
d)
-ate
76.
What are the raw materials of photosynthesis?
a)
oxygen and carbon dioxide
b)
oxygen and glucose
c)
carbon dioxide and water
d)
water and glucose
77.
What are the products of photosynthesis?
a)
oxygen and carbon dioxide
b)
oxygen and glucose
c)
carbon dioxide and water
d)
water and glucose
78.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
79.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
80.
How would the concentration of CO2 in water affect photosynthesis?
a)
The higher the CO2, the greater the rate
b)
The higher the CO2, the lower the rate
c)
CO2 concentration doesn't affect photosynthesis
d)
a greater rate of photosynthesis causes higher CO2 concentrations 

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