Final Exam Review (2)

Question 1

Which of the following does not follow the proper singular, plural pattern?

Answer 1

B. Cilia (plural), Cilium (singular)

Question 2

The movement of particles from areas of high concentration to an area of low concentration is called?

Answer 2

Diffusion

Question 3

A substance that donates a hydrogen ion when placed in an aqueous solution?

Answer 3

An acid

Question 4

Which portion of a phospholipid is hyrdrophobic?

Answer 4

Fatty acid tail

Question 5

Which of the following is a polymer of glucose?

Answer 5

Glycogen

Question 6

Which is a double-stranded molecule?

Answer 6

DNA

Question 7

Who is credited with putting a number to the number of molecules in a mole?

Answer 7

Amedeo Avogadro

Question 8

What is the name of a general class of molecules here? https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.researchgate.net%2Ffigure%2Famino-acid-structure_fig1_346573462&psig=AOvVaw1_ZAfaT1-_lCpnVd05kTYh&ust=1670476382114000&source=images&cd=vfe&ved=0CA8QjRxqFwoTCIiP4czf5vsCFQAAAAAdAAAAABAE

Answer 8

Amino Acid (drawn in either Chapter 2 or 3)

Question 9

Placed in a hypertonic solution a red blood cell would?

Answer 9

B. become crenate
The concentration of solute is higher in the solution than in the cell which would suck the water out of the cell.

Question 10

Which of the following composes a nucleotide?

Answer 10

E. A nitrogenous base, a 5-carbon sugar (pentose sugar), and a phosphate group.

Question 11

In which class of molecules is nitrogen found?

Answer 11

Nucleic acid?? or Proteins (amino group)

Question 12

Which are made up primarily of proteins?

Answer 12

(all of the above) Enzymes, muscle tissue, hemoglobin, and hair.

Question 13

Saccharide is more closely related to??

Answer 13

Sugar

Question 14

Cholesterol belongs to what class of macromolecules?

Answer 14

D. Lipid Class

Question 15

A molecule has some regions that are hydrophilic and some regions that are hydrophobic. What is this called?

Answer 15

Amphipathic

Question 16

Which makes up a phospholipid?

Answer 16

A glycerol, 2 fatty acid chains, and a phosphate group.

Question 17

Which class of molecules contains the nitrogenous base uracil?

Answer 17

RNA

Question 18

Which level of protein structure describes the sequence of amino acid?

Answer 18

Primary structure

Question 19

How do the 20 amino acids used by life on earth differ from each other?

Answer 19

They are different on the R group or side chains.

Question 20

Which are common in all cells found in life on Earth?

Answer 20

They all make their proteins from amino acids, genetic information is contained in DNA, ATP is the molecule that delivers energy in chemical reactions.
E. eco ?? (all of the above ?)

Question 21

Which cell is named after a famous Italian scientist?

Answer 21

Golgi body