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Unit 2 Exam Cram

Total questions: 55

Worksheet time: 36mins

Name
Class
Date
1.

Why do dieters lose a lot of weight in the first few days of dieting?

a)

From eating fewer calories

b)

From exercising more

c)

Losing water weight

d)

Losing muscle mass

2.

We store excess sugar in our bodies as _______________ in our _____________ and ______________ as short term storage.

(a)  

3.

Long term energy storage:

a)

Carbs

b)

Fat

c)

Glycogen

d)

Mitochondria

4.

These taste sweet and give you short term energy.

a)

Starches

b)

Complex Carbs

c)

Simple Carbs

d)

Amino Acids

5.

This is the control center of the cell that stores and replicates DNA

a)

Smooth ER

b)

Ribosome

c)

Lysosome

d)

Nucleus

e)

Rough ER

6.

This structural carb makes up the hard shell of arthropods.

(a)  

7.

Everything we eat must get converted to?

a)

Fructose

b)

Cellulose

c)

Glucose

d)

Maltose

8.

This is the body's primary fuel source.

a)

Fats

b)

Carbs

c)

Amino Acids

d)

Nucleic Acids

9.

Starches (select all that apply)

a)

Are digestible

b)

Are long term energy

c)

Are complex carbs

d)

Are structural carbs

e)

Are indigestible

10.

This structural carb makes up the rigid cell wall of plants and is indigestible to humans, acting as dietary fiber that bulks up our stool, cleanses our digestive tract, and serves as "roughage" in our diets.

(a)  

11.

Where are RNA codons read and translated into amino acids?

a)

Ribosomes

b)

Nucleus

c)

Rough ER

d)

Golgi Apparatus

12.

This is the outermost boundary that controls what goes in and out of animal cells.

a)

Cell wall

b)

Cell membrane

c)

Nuclear envelope

d)

Cytoplasm

13.

The structure of DNA is a (a)   -helix.

14.

The four building blocks of life are:

a)

Cells

b)

Fats

c)

Amino Acids

d)

Nucleic Acids

e)

Sugar

15.

DNA replication occurs in the _________________ during ________________.

(a)  

16.

What's the function of protein? (select all that apply)

a)

Growth

b)

Repair

c)

Replacement

d)

Insulation

e)

Energy

17.

How many bases are in DNA?

a)

2

b)

4

c)

3.5 billion

d)

46

18.

What determines a protein's shape?

a)

The sequence of amino acids

b)

The DNA strand

c)

The protein's function

d)

Enzymes

19.

A protein's (a)   determines its function.

20.

Collagen and keratin are examples of what kinds of proteins?

a)

Structural

b)

Protective

c)

Regulatory

d)

Transport

e)

Contractile

21.

Protective proteins are responsible for: (select all that apply)

a)

Immune response

b)

Blood clotting

c)

Regulation of hormones

d)

Contracting muscles

e)

Moving materials through the body

22.

These accelerate chemical reactions.

a)

Enzymes

b)

Proteins

c)

Hormones

d)

Mitochondria

e)

Carbohydrates

23.

When combined, rice and beans contain all 10 (a)   amino acids.

24.

The function of lipids: (select all that apply)

a)

Membrane formation

b)

Insulation

c)

Hormones

d)

Long-term energy storage

e)

Immune Response

25.

What do we call hydrogenated unsaturated fats?

a)

Trans Fats

b)

Saturated Fats

c)

Unsaturated Fats

d)

Liquids

26.

Oils are: (select all that apply)

a)

Plant based

b)

Liquid at room temp

c)

Solid at room temp

d)

Animal based

27.

Select two types of lipids that are not fats:

a)

Sterols

b)

Cholesterol

c)

Oils

d)

Enzymes

28.

Which organelle stores lipids and detoxifies the cell?

a)

Rough ER

b)

Lysosomes

c)

Smooth ER

d)

Golgi apparatus

e)

Mitochondria

29.

What's the nickname for the lysosome?

a)

The brains

b)

The post office

c)

The powerhouse

d)

The trashcan

e)

The protein factory

30.

Fat has (a)   as much energy as sugar.

31.

Which organelle modifies proteins and sends them to the golgi?

a)

Rough ER

b)

Smooth ER

c)

Ribosome

d)

Nucleus

e)

Mitochondria

32.

These attach to the rough ER and make proteins.

a)

Lysosomes

b)

Ribosomes

c)

Nucleus

d)

Smooth ER

e)

Golgi apparatus

33.

Produces sugar and oxygen via photosynthesis.

a)

Chloroplast

b)

Mitochondria

c)

Chlorphyll

d)

Vacuole

e)

Peroxisomes

34.

What is the smallest unit of life?

a)

A cell

b)

A virus

c)

An organelle

d)

A tissue

35.

What is the "post office" of the cell that packages and ships components around the cell?

a)

Golgi apparatus

b)

Rough ER

c)

Smooth ER

d)

Nucleus

e)

Lysosome

36.

Prokaryotic cells: (select all that apply)

a)

Have a nucleus and organelles

b)

Don't have a nucleus or organelles

c)

Single-cellular

d)

Multi-cellular

e)

Tiny, looped DNA

37.

Who belongs to the Eukaryotic kingdom?

a)

Animals

b)

Plants

c)

Fungi

d)

Protists

e)

Bacteria

38.

What goes into the chloroplast to conduct photosynthesis?

a)

Water

b)

Sunlight

c)

Sugar

d)

Carbon Dioxide

e)

Oxygen

39.

The process within the mitochondria that converts oxygen and sugar into 36 ATP, carbon dioxide, and water is:

a)

Cellular respiration

b)

Fermentation

c)

Photosynthesis

d)

Energy synthesis

40.

What's TRUE about fingerprints and snowflakes?

a)

They are NOT unique and duplicates are known to be found in nature!

b)

No two are alike!

c)

Fingerprints are a credible source of evidence.

d)

Snow is white

41.

How many sperm are released per ejaculation?

a)

300 million

b)

300 thousand

c)

300 billion

d)

30 thousand

42.

Whale fecal plumes are rich in ___________ and ____________.

a)

Iron

b)

Nitrogen

c)

Zinc

d)

Oxygen

43.

What is the advantage of "gene shuffling"?

a)

The more diversity, the better the odds are that someone will survive to create a new generation.

b)

To mix up genes.

c)

To prevent genetic defects.

d)

To limit diversity.

44.

What do lie detectors detect?

a)

Heartbeat

b)

Sweats

c)

Blood pressure

d)

Breathing

e)

Lies

45.

How many sets of DNA do gametes have?

a)

1

b)

2

c)

23

d)

46

46.

How many chromosomes does each of your somatic cells have?

a)

23

b)

46

c)

1

d)

2

47.

When do females start producing eggs?

a)

In the womb

b)

At birth

c)

At puberty

d)

At 18 years old

48.

When do males start producing sperm?

a)

At birth

b)

At puberty

c)

In utero

d)

At 18 years old

49.

A process triggered by the addition or removal of a predatory species that causes a snowball effect that trickles down the food chain.

a)

Trophic cascade

b)

Abundance reduction

c)

Intermediate predation

d)

Vertical propagation

50.

What's the only zone where light can penetrate the ocean?

a)

Benthic

b)

Photic

c)

Neritic

d)

Pelagic

51.

How many cells do we start out as?

a)

1

b)

23

c)

46

d)

3.5 billion

52.

Eugenicists claimed that they could prove, through family lineages, that degeneracy was a(n):

a)

Inherited trait

b)

Contagious trait

c)

Dominant trait

d)

Formidable trait

53.

The Eugenics movement led to: (select all that apply)

a)

Fitter family contests

b)

Better baby contests

c)

Forced sterilizations

d)

The Holocaust

e)

Racial equality

54.

Why has DNA been so successful over the past 4 billion years?

a)

Good at making copies of itself

b)

Random fertilization

c)

Genetic recombination

d)

"Gene shuffling"

55.

Plankton absorbs ________________ ________________ out of the air and slows global warming.

(a)  

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