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Bio 107 Exam 1 Questions and Answers (100% Pass)

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Bio 107 Exam 1 Questions and Answers (100% Pass)

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  • August 12, 2024
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Monday, July 29, 2024 12:15 PM




Bio 107 Exam 1 Questions and Answers (100% Pass)

What does a nucleotide structure have? - ✔️✔️Nitrogenous base

Sugar

Phosphate group

What do nucleotides form when they are chemically connected together? - ✔️✔️DNA
strand

What are the two nitrogenous bases? - ✔️✔️Pyrimidine and Purine

What is included in the pyrimidine group? - ✔️✔️Cytosine (C)

Thymine (T)

Uracil (U)

What is included in the purine group? - ✔️✔️Adenine (A)

Guanine (G)

Which of the following is only included in the DNA group C, T, U, A, or G? - ✔️✔️C, T, A,
G

Which of the following is only included in the RNA group C, T, U, A, or G? - ✔️✔️C, U, A,
G

Which sugar is found in DNA? - ✔️✔️Deoxyribose

Which sugar is found in RNA? - ✔️✔️Ribose

What is the difference between deoxyribose and ribose? - ✔️✔️Deoxyribose has no -OH
attached at the 2' position while ribose does.

What does DNA stand for? - ✔️✔️Deoxyribose nucleic acid



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, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Monday, July 29, 2024 12:15 PM


What does RNA stand for? - ✔️✔️Ribose nucleic acid

How many base pairs are in the Watson and Crick model per turn? - ✔️✔️10 base pairs

What does it mean when the strands are antiparallel? - ✔️✔️If one strand is shown in the
5'->3' (top to bottom) the other strand will run 5'->3' (bottom to top)

What are the DNA base pairs in the Watson and Crick model? - ✔️✔️A pairs with T

G pairs with C

How many hydrogen bonds will form if A pairs with T? - ✔️✔️2

How many hydrogen bonds will form if G pairs with C? - ✔️✔️3

What are genes? - ✔️✔️Carry the information that encodes the traits that are observed in
an organism

What are chromosomes? - ✔️✔️The chemical structure that contains genes. These are
the molecules that pass from parent to offspring during reproduction.

What was Griffith experiment about? - ✔️✔️He mixed heat killed S and living R cells and
he killed the mice.

What did Griffith conclude about his experiment? - ✔️✔️Something in the heat killed S
strain converted the live R strain into a pathogenic strain. "Transforming substance"

This enzyme break down RNA molecules into nucleotides. - ✔️✔️RNase

This enzyme breaks down DNA into nucleotides - ✔️✔️DNase

This enzyme breaks down proteins into amino acids - ✔️✔️Protease

These enzymes break down fats like triacylglycerides and phospholipids and release
free fatty acids - ✔️✔️Lipase

These enzymes break down complex sugars to generate simple sugars - ✔️✔️Carboase

What happens during a synthesis/dehydration reaction? - ✔️✔️synthesizing a polymer


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