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Biology 101 Final Exam > Exam 1 > Flashcards

Flashcards in Exam 1 Deck (16)
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1
Q

What is the strand of DNA that will pair with this one?

5’ - ATGCCTATT -3’

A

5’ - AATACGCAT - 3’

2
Q

Ribose and deoxyribose are both found in nucleic acids. The difference between ribose and deoxyribose is that:

A

Deoxyribose has one less oxygen than ribose and deoxyribose is found in DNA whereas ribose is found in RNA

3
Q

What is the normal flow of information in the eularyotic cells

A

DNA -> RNA -> proteins

4
Q

What is the reason why hydrocarbons are not soluble in water?

A

The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages.

5
Q

Large biological molecules: True or False:
They are an important constituent of cell membranes, they contain more energy than an equivalent weight of polysaccharides, and they are insoluble in water.

A

True

6
Q

Starch and glycogen, which are both polysacccharides, differ in their functions in that starch is _____ whereas glycogen ____.

A

The principle energy storage compound of plants; is the main energy storage of animals.

7
Q

In the DNA of certain bacteria cells, 20% of the bases are guanine (G). What is the % of adenine (A)?

A

30%

8
Q

Which of the following are not functions of carbohydrates?

  • They transport energy throughout the human body
  • They store energy
  • Thet are a part of other molecules like DNA and RNA, which carry genetic information
  • They are used as structural support in plants
  • None of the above (in other words, all of these are functions of carbohydrates).
A

None of the above

9
Q

Which of the following bonds are ionic?

  • K-Cl
  • O-H
  • O-P
  • H-C
  • C-N
A

K-Cl is an ionic bond

10
Q
Which of the following bonds are non-polar?
N-H
O-H
O-P
H-C
C-O
A

H-C is not an ionic bond

11
Q

____ reactions form bonds between monomers thereby making biological polymers, while _____ reactions break the bonds that form biological polymers, thereby converting the polymers back into monomers.

A

Dehydration; Hydrolysis

12
Q

When you make a general conclusion from observing specific events you are using:

A

Inductive logic

13
Q

What are the six most abundant elements found in living systems?

A

Hydrogen, oxygen, nitrogen carbon, sulfur, and phosphorus.

14
Q

How many neutrons are present in the nucleus of a phosphorus (P) atom? (there will be a chart on the test)

A

16

15
Q

What do cohesion, surface tension, and adhesion have in common with reference to water?

A

All are properties related to hydrogen bonding.

16
Q

Which of the following phenomena is most likely due to the high heat of vaporization of water?

  • If a glass of water is slightly overfilled, the water will form a convex surface above the top of the glass.
  • The boiling point of water is much higher than the boiling point of methane.
  • A water bug can run across the surface of liquid water.
A

The boiling point of water is much higher than the boiling point of methane.