Biology Study Guide

1.

1 point

DNA stores_____.

Proteins

Cells

Genetic information

Nothing, they transport things.

2.

1 point

The cell wall supports and protects the animal cell.

True

False

3.

1 point

Carbohydrates are minor sources of energy to the body.

True

False

4.

1 point

What system is used in biology to measure things?

Inches

The Metric System

Science System

Meters

5.

1 point

Bases is any compound that produces OH- in a solution. It is above 7 on the pH scale.

True

False

6.

1 point

The function of lipids is protection against heat loss, physical shock, water loss, serve as chemical messengers, energy storage, and are major components of the membrane.

True

False

7.

1 point

There are two types of Fatty Acids. Which are.....

There are no specific types

Saturated & Unsaturated

Skinny & Long

8.

1 point

Carbohydrates are sugars.

True

False

9.

1 point

Solutes dissolve things.

True

False

10.

1 point

Triglycerides are composed of.....

2 glycerol and 3 fatty acids.

Oxygen.

1 glycerol and 3 fatty acids.

Carbon, Hydrogen, and Pentose sugar.

11.

1 point

What is DNA & RNA made of?

Nucleic Acids

Amino Acids.

Oxygen

All of the above.

12.

1 point

Some of the functions of proteins include:

Storage

Transportation

Enzymes

All the above

13.

1 point

Acids are _______. Where do they lie on the pH scale?

Any compound that produces O+ in a solution. They lie below 7.

Any compound that produces H+ in a solution. They lie below 7.

Any compound that produces H+ in a solution. THey lie above 7.

Any compound that produces H- in a solution. They lie above 7.

14.

1 point

What does ER stand for? What does it do?

Endoplasmic Reticulum, assembles proteins and lipids.

Ergon Rectum, stores proteins.

Endoplasmic Reticulum, transports proteins.

Endoplasmic Rectum, pump out water.

15.

1 point

What is special about water which accounts for many of it's special properties?

It quenches thirst

Polarity

Carbon Dioxide

Oxygen

16.

1 point

Are mixtures chemically combined?

Sometimes

Rarely

Always

Never

17.

1 point

DNA stands for __________. While RNA stands for ________.

Deoxyribonucleic Acid, Riticulate Acid

Stands for nothing it is what it is.

Deoxyribonucleic Acid, Ribonucleic Acid

18.

1 point

What is homeostasis?

Internal Stability

Good internal health

One of the characteristics of life

All of the above

19.

1 point

What organelle packages and sorts both lipids and proteins for transport or storage?

Chloroplasts

Mitochondria

Cell Membrane

The Golgi Apparatus

20.

1 point

Lipids are hydrophilic solvents.

True

False

21.

1 point

Hydrogen bonds are very strong.

True

False

22.

1 point

What two organelles store materials (aside from DNA)?

Vesicle and Cell Wall

Vacuoles and Vesicles

Ribosomes and lysosomes

Nucleus and Golgi Apparatus

23.

1 point

What is special about a contractile vacuole?

It stores water.

It pumps out water as well as stores it.

It stores water and carbohydrates.

All of the above.

24.

1 point

______ organize cell division.

Nucleus

Vacuole

Centrioles

Lysosomes

25.

1 point

Asexual Reproduction needs 2 people of the same sex.

True

False

26.

1 point

What does it mean when a molecule is polar?

It is negative.

One side is + and the other is -.

It is positive.

It is neutral.

27.

1 point

The ___ system is used because it is based on multiples of ___.

Metric, 10

Metric, 20

Scientific, 3

American, 30

28.

1 point

Why are chloroplasts important to the plant?

They destroy unnecessary materials.

They conduct photosynthesis.

They are irrelevant.

They create carbohydrates.

29.

1 point

What are proteins made of?

Nucleic Acids.

Amino Acids

Oxygen

All of the above.

30.

1 point

What is the pH scale?

A way to measure if a molecule is negative.

A measurement system created to measure the concentration of H+ ions in a solution.

A way to measure if something is polar.

A measuring scale.

31.

1 point

Provide an example as to how a buffer could be used.

In blood, if the pH goes out of whack they send buffers to balance it out.

In milk, farmers injects acids to balance it out.

Scientists never could find a specific example.

32.

1 point

The cytoskeleton maintains the cells ____, moves _______, and helps the cell itself _____.

nucleus, the ribosomes, move

health, particles, evolve

shape, cell parts, move

figure, water molecules, grow

33.

1 point

Lipids store _____.

Energy

Sugar

Glucose

Fat

34.

1 point

Water is a good solute due to it's polarity.

True

False

35.

1 point

The nucleus' function is....

Decides what goes in and out of the cell.

Controls the cell and contains RNA.

Creates water.

Controls the cell and contains DNA.

36.

1 point

What are the Characteristics of Life?

Grow & Develop, respond to their environment, evolve, maintain homeostasis

Obtain and use materials, reproduce

Made of cells, Based on a universal genetic code

All of the above

37.

1 point

Describe the cell membrane

Moves the cell.

Like the cell wall but weaker.

Regulates materials and leaving the cell (is selectively permeable); protects and supports the cell.

Made of proteins.

38.

1 point

What are the 5 macromolecules?

Lipids, Carbohydrates, Nucleic Acids, Proteins

Lipids, Carbohydrates, Nucleic Acids, DNA

There are only 3.

Monomers, Polymers, RNA, Sugar, Fat

39.

1 point

Nucleic acids are long links of nucleotides linked together by dehydration synthesis.

True

False

40.

1 point

What is Quaternary structure made of in proteins?

2 or more subunits.

Primary, secondary, and tertiary structure.

All the above

41.

1 point

Biology is the study of .........

Matter

Life

Water

People

42.

1 point

The mitochondria converts chemical energy in food to usable compounds.

True

False

43.

1 point

What are the groups of Carbohydrates?

There are none

Monosaccharides, Disaccharides, Polysaccharides

DNA, RNA, ATP

Glucose, Glycogen, Sugar

44.

1 point

Which is not a part of the Scientific Method?

Redo Experiment

Procedure

Hypothesis

Data

45.

1 point

What is an organic compound?

A compound that has fluorine.

A compound that has carbon.

A compound that has nitrogen.

A compound that has oxygen.

46.

1 point

Nucleic acids allow cells to _______.

Divide

Reproduce

Produce Offspring

All of the above

47.

1 point

Buffers are___________.

Are strong acids to balance out strong bases.

Are strong bases used to balance out strong acids.

Are weak acids or bases used to balance out strong acids or bases.

Are weak acids and bases.

48.

1 point

Why are Carbohydrates important?

They are fuel to the body.

They create fat.

They are worthless.

They store fat.

49.

1 point

What are all living things made of?

Water

Carbon

DNA

Cells

50.

1 point

What is the function of ribosomes and where would they be found?

They synthesize proteins, and are found on the rough ER.

They synthesize proteins and are found on the lysosomes.

They are just pieces of matter floating around.

They organize genetic material in the nucleus.