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Final Exam Review - Fall 2023 Flashcards | StudBud
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Final Exam Review - Fall 2023
Final Exam Review - Fall 2023
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1
The central dogma of biology is that DNA is translated into protein and then transcribed into RNA.
True
False
2
The oxygen released during photosynthesis comes from
water
chlorophyll
ATP
carbon dioxide
3
Covalent bonds result from
the donation of an electron from one atom to another
the sharing of electrons by two atoms
ionic attraction by two atoms of different charges
attraction of hydrogen ions to negatively charged atoms
4
Organisms that have two identical alleles for a particular trait are said to be
heterozygous
dominant
hybrid
homozygous
5
Which of the following is not one of the four major classes of biomolecules?
lipids
carbohydrates
nucleic acids
phosphates
6
A student is collect the gas given off from a plant in bright sunlight. The gas being collected is most likely
carbon dioxide
oxygen
steam
ATP
7
Which organelle breaks down macromolecules into particles a cell can use?
lysosome
Golgi apparatus
endoplasmic reticulum
mitochondria
8
The end products(s) of glycolysis are
ATP
pyruvate
phosphofructokinase
NADH
9
DNA replication results in two DNA molecules one with two new strands and the other with two original strands.
True
False
10
For an exergonic reaction, the products
are at a lower energy level than the reactants
are at a higher energy level than the reactants
are at the same energy level as the reactants
have no energy
11
Isotopes are atoms of the same element but differ in the number of __________?
Bonds
Electrons
Protons
Neutrons
12
An animal cell that is surrounded by fresh water will burst because osmosis cuases
water to move out of the cell
solutes to move out of the cell
solutes to move into the cell
water to move into the cell
13
What are the two pieces missing from the following chemical equation for Cellular Respiration:
CO2
Glucose
C4H10O2
CO
14
In a phospholipid bilayer, the lipids have
hydrophobic tails
hydrophilic tails
hydrophobic heads
hydrophilic heads
15
These reactions are when water is used to break apart other molecules
hydrophobic
anabolic
hydrophilic
hydrolysis
16
Most plants appear green because chlorophyll
does not use UV light
absorbs green light
reflects violet light
reflects green light
17
A single somatic cell from a beaver contains 40 chromosomes. How many chromosomes will its sperm have?
30
20
40
10
18
Crossing over occurs during
Interphase I
Interphase II
Prophase I
Prophase II
19
Where does oxidative phosphorylation occur in eukaryotes?
lysosomes
cytosol
nucleus
mitochondria
20
A test cross would always involve a cross with an organism with the ________ genotypes
homozygous recessive
dominant
homozygous dominant
dihybrid
21
During cellular respiration, which of these processes take place in the cytoplasm of the cell?
oxidative phosphorylation
electron transport
glycolysis
Krebs cycle
22
Life's basic unit of structure and function is the
species
cell
atom
gene
23
Amino acid is to protein as
cellular respiration is to photosynthesis
simple sugar is to starch
sugar is to fat
DNA is to RNA
24
Mutations that impact evolution most occur in
somatic cells
brain cells
people with cancer
germ-line cells
25
Enzymes affect the reactions in living cells by lowering the
activation energy of the reaction
speed of the reaction
temperature of the reaction
pH of the reaction
26
If a bacterial genome contains 30% thymine, what percentage of cytosine will it have?
10%
30%
40%
20%
27
When during the cell cycle is a cell's DNA replicated?
S phase
M phase
G2 phase
G1 phase
28
A nucleotide of DNA is made up of
sugar
phosphate group
nitrogenous base
ATP
29
In the process of translation, a polypeptide is formed as dictated by the nucleotide sequence in mRNA.
False
True
30
The nucleus of an atom is made up of
protons
electrons
neutrons
quarks
31
During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?
telophase
anaphase
prophase
metaphase
32
Bases have a pH of...
<7
8
>7
3
33
The sequence of amino acids in a polypeptide is called the
secondary structure
quaternary structure
tertiary structure
primary structure
34
Which of the following is the replicant of this DNA sequence: ATTAGCG
UTTUCGC
TAATCGC
TUUTCGC
UAAUCGC
35
How many chromosomes are found in a normal human diploid somatic cell?
44
46
22
23
36
Which of the following is the transcript of this DNA sequence: ATTAGCG
UAAUCGC
UTTUCGC
TAATCGC
TUUTCGC
