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

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

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



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

A ________ cell has a large, variably shaped nucleus. - ✔️✔️cancer

A _______ cell has many disorganized cells with disorganized arrangement. -
✔️✔️cancer

A _________ cell has variation in size and shape. - ✔️✔️cancer

A ________ cell has a loss of normal features. - ✔️✔️cancer

What is the Central Dogma of Molecular Biology? - ✔️✔️DNA -> RNA -> protein

Chromosomes are first duplicated to form sister _____________. - ✔️✔️chromatids

How many chromosomes does a human cell have? - ✔️✔️46 chromosomes

How many homologous autosomes does a human cell have? - ✔️✔️44

How many sex chromosomes does a human cell have? - ✔️✔️2

In cancer cells, oxygen is/is not used in glucose to lactate creation, and less/more ATP
is created per glucose molecule. - ✔️✔️is not, less

Because of the low level of oxygen use in tumor cells, more/less oxygen gets to cells
deeper in the tumor and their survival is increased/decreased. - ✔️✔️more, increased

Polymers are formed from ____________. - ✔️✔️monomers

Polymers are synthesized through _________. - ✔️✔️dehydration

Polymers are broken down through __________. - ✔️✔️hydrolysis

Enzymes are substances that accelerate chemical reactions but are/are not consumed
in the reaction. - ✔️✔️are not




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


What are the three components of a nucleotide structure? - ✔️✔️nitrogenous base, sugar,
phosphate group

Nucleotides are __________ of DNA. - ✔️✔️monomers

The connection between each nucleotide is called a _____________________
________. - ✔️✔️phosphodiester bond

What are the two components of a nucleoside? - ✔️✔️nitrogenous base, sugar

What are the pyrimidines? - ✔️✔️cytosine, thymine, uracil

What are the purines? - ✔️✔️adenine, cytosine

Pyrimidines/purines are characterized by a six member ring that contains two nitrogen
atoms. - ✔️✔️Pyrimidines

Pyrimidines/purines are normally cartooned as a hexagon+pentagon combination. -
✔️✔️Purines

Adenine and thymine form how many hydrogen bonds? - ✔️✔️2

Cytosine and guanine form how many hydrogen bonds? - ✔️✔️3

Deoxyribose/ribose has an -OH group on the 2' carbon. - ✔️✔️ribose

Deoxyribose/ribose does not have an -OH group on the 2' carbon. - ✔️✔️deoxyribose

Phosphate group - ✔️✔️

What forms the backbone of the DNA double helix? - ✔️✔️the sugar-phosphate groups

What forms the middle of the DNA double helix? - ✔️✔️the nucleotide base pairs

How many base pairs are there per turn of DNA? - ✔️✔️10

Do purines and pyrimidines bond, or do purines and purines/pyrimidines and
pyrimidines bond? - ✔️✔️Purines and pyrimidines




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


What are monomers of proteins called? - ✔️✔️Amino acids

What is a long chain of amino acids called? - ✔️✔️polypeptide

True or False: some functions of proteins are--enzymatic, defensive, storage, and
transport. - ✔️✔️True

True or False: some functions of proteins are--hormones, receptors, motor proteins, and
structural proteins. - ✔️✔️True

What are the four components of an amino acid? - ✔️✔️carboxyl group, amine group,
alpha carbon, R group

The amine group of an amino acid can act as a(n) acid/base. - ✔️✔️base

The carboxyl group of an amino acid can act as a(n) acid/base. - ✔️✔️acid

At physiological pH (around 7), the amino group of an amino acid is usually in its
charged state, which means it gains/loses an electron to become positively/negatively
charged. - ✔️✔️gains, positively

At physiological pH (around 7), the carboxyl group of an amino acid is usually in its
charged state, which means it gains/loses an electron to become positively/negatively
charged. - ✔️✔️loses, negatively

What are the three types of amino acids? - ✔️✔️nonpolar, polar, charged

What reaction occurs to form a peptide bond, and what is a peptide bond? -
✔️✔️dehydration reaction, a covalent C-N bond between the C of one carboxyl group and
the N of one amino group.

When analyzing a polypeptide, start at the N terminus/C terminus and end at the N
terminus/C terminus. - ✔️✔️N terminus, C terminus

What makes up protein primary structure? - ✔️✔️the sequence of amino acids




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