LSU BIOL 1201 – Biology Exam 1 Practice
Questions and Answers (Louisiana State
University, 2023) – Complete Exam Material
DESCRIPTION:
This document contains a full set of practice questions and
answers for LSU’s BIOL 1201 (Introductory Biology) Exam 1.
Topics include biomolecules, protein structure, nucleic acids, cell
organelles, cytoskeleton, osmosis, chemical bonds, pH, water
properties, functional groups, macromolecules, and isomers. It
provides both conceptual questions and direct definitions, making
it a complete resource for preparing for exams and quizzes.
QUESTIONS AND ANSWERS:
Which of these is rich in unsaturated fats? -Answer:-olive oil
(plant oil)
A function of cholesterol that does not harm health is its role _____.
-Answer:-As a component of animal cell membranes
Proteins are polymers of _____. -Answer:-amino acids
What type of bond joins the monomers in a protein's primary
structure? -Answer:-peptide
,Which of these illustrates the secondary structure of a protein? -
Answer:-Alpha helices and beta pleated sheets are characteristic
of a protein's secondary structure.
The secondary structure of a protein results from _____. -Answer:-
hydrogen bonds
Tertiary structure is NOT directly dependent on _____. -Answer:-
peptide bonds
ionic bond -Answer:-the attraction between oppositely charged
ions (metal)
hydrogen bond -Answer:-weak attraction between a hydrogen
atom and another atom
If a strand of DNA has the nitrogen base sequence 5'-ATTTGC-3',
what will be the sequence of the matching strand? -Answer:-3'-
TAAACG-5'
If a DNA double helix is 100 nucleotide pairs long and contains 25
adenine bases, how many guanine bases does it contain? -
Answer:-75
The two strands of a DNA double helix are held together by _____
that form between pairs of nitrogenous bases. -Answer:-hydrogen
bonds
, A nucleotide is composed of a(n) _____. -Answer:-phosphate group,
a nitrogen-containing base, and a five-carbon sugar
plant cell only -Answer:-chloroplast, cellulose cell wall, central
vacuole
animal cell only -Answer:-centriole
Both animal and plant cells -Answer:-mitochondrion
Golgi apparatus
nucleus
endoplasmic reticulum
cytoskeleton
plasma membrane
Prokaryotic only -Answer:-nucleoid
eukaryotic only -Answer:-lysosome, mitochondria, nucleolus
eukaryotic and prokaryotic -Answer:-plasma membrane
flagella
ribosomes
Questions and Answers (Louisiana State
University, 2023) – Complete Exam Material
DESCRIPTION:
This document contains a full set of practice questions and
answers for LSU’s BIOL 1201 (Introductory Biology) Exam 1.
Topics include biomolecules, protein structure, nucleic acids, cell
organelles, cytoskeleton, osmosis, chemical bonds, pH, water
properties, functional groups, macromolecules, and isomers. It
provides both conceptual questions and direct definitions, making
it a complete resource for preparing for exams and quizzes.
QUESTIONS AND ANSWERS:
Which of these is rich in unsaturated fats? -Answer:-olive oil
(plant oil)
A function of cholesterol that does not harm health is its role _____.
-Answer:-As a component of animal cell membranes
Proteins are polymers of _____. -Answer:-amino acids
What type of bond joins the monomers in a protein's primary
structure? -Answer:-peptide
,Which of these illustrates the secondary structure of a protein? -
Answer:-Alpha helices and beta pleated sheets are characteristic
of a protein's secondary structure.
The secondary structure of a protein results from _____. -Answer:-
hydrogen bonds
Tertiary structure is NOT directly dependent on _____. -Answer:-
peptide bonds
ionic bond -Answer:-the attraction between oppositely charged
ions (metal)
hydrogen bond -Answer:-weak attraction between a hydrogen
atom and another atom
If a strand of DNA has the nitrogen base sequence 5'-ATTTGC-3',
what will be the sequence of the matching strand? -Answer:-3'-
TAAACG-5'
If a DNA double helix is 100 nucleotide pairs long and contains 25
adenine bases, how many guanine bases does it contain? -
Answer:-75
The two strands of a DNA double helix are held together by _____
that form between pairs of nitrogenous bases. -Answer:-hydrogen
bonds
, A nucleotide is composed of a(n) _____. -Answer:-phosphate group,
a nitrogen-containing base, and a five-carbon sugar
plant cell only -Answer:-chloroplast, cellulose cell wall, central
vacuole
animal cell only -Answer:-centriole
Both animal and plant cells -Answer:-mitochondrion
Golgi apparatus
nucleus
endoplasmic reticulum
cytoskeleton
plasma membrane
Prokaryotic only -Answer:-nucleoid
eukaryotic only -Answer:-lysosome, mitochondria, nucleolus
eukaryotic and prokaryotic -Answer:-plasma membrane
flagella
ribosomes
