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