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Final BIO 101 Review
Final BIO 101 Review
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BIO 101
Flashcards
83 cards
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Practice quiz
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Questions
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Answers
1
DNA is copied during the process called:
meiosis
transcription
mitosis
replication
2
What type of bond results when two atoms share electrons equally?
Non-polar covalent bond
Hydrogen Bond
Polar covalent bond
Ionic Bond
3
The hip bones of a whale are
analogous structures
vestigial structures
homologous structures
4
Substance moves across cell membrane from low to high concentration with help of a protein
Diffusion
Osmosis
Faciliatated Diffusion
Active transport
5
The daughter cells formed after meiosis are called
gametes, and are haploid
body cells, and are diploid
gametes, and are diploid
zygotes, and are haploid
6
What occurs during Anaphase of mitosis?
chromosomes line up down center of cell
nuclear envelope reforms
chromatids are separated and move to opposite sides
centrioles move to opposite poles
7
Which life history strategy do elephants use?
no-strategist
R- strategist
A- strategist
K- strategist
8
Black fur is produced by a recessive allele. Which genotype represents a black fur individual?
bb
BB
Bb
Bb or bb
9
An enzyme is a protein that causes the rate of the reaction to slow down.
false
true
10
Cellular respiration occurs in the ______.
Chloroplast
Nucleus
Mitochondria
Ribosome
11
What is the smallest level of organization that is considered LIVING?
Tissue
Cell
Organism
Molecule
12
__is a copy of the code from the nucleus used to build a specific protein
rRNA
mRNA
DNA
tRNA
13
Mitochondria produce _____________ .
Carbon Dioxide, water, and ATP
ATP and Lipids
Lipids and carbon dioxide
Glucose and Oxygen
14
Growth of an individual occurs because of the process called:
fertilization
mitosis
meiosis
replication
15
A cell, placed in a hypertonic solution will ______.
lyse
stay the same
shrivel
release all solutes
16
During _______, the nuclear envelope is divided. During _____, the cell (cytoplasm) is divided.
mitosis, cytokinesis
cytokinesis; mitosis
meiosis; mitosis
mitosis; meiosis
17
Selection favoring antibiotic resistance in bacteria is an example of ___
Directional Selection
Disruptive Selection
Stabilizing Selection
18
Anaerobic respiration, or fermentation, does NOT produce
carbon dioxide
pyruvate
alcohol
lactic acid
19
Substance moves across a cell membrane from high to low concentration with help of a protein
Diffusion
Faciliatated Diffusion
Active transport
Osmosis
20
Gametes fuse to become one diploid cell during the process of:
meiosis
replication
fertilization
mitosis
21
Vesicles are made mostly of _________.
Nucleic Acids
Phospholipids
Proteins
Carbohydrates
22
Bacteria have their functional genes organized into
repressors
exons
chromosomes
operons
23
During which stage of meiosis do the homologous chromosomes separate?
metaphase I
prophase II
anaphase II
anaphase I
24
A volcanic eruption destroys all life within its path. This is an example of
a density-dependent limiting factor
an extinction event
a density-independent limiting factor
evolution
25
What structure is required for a eukaryotic organism to be classified as an autotroph?
chloroplast
nucelus
golgi body
mitochondria
26
While eating lunch, we are consuming ____ energy, which is converted into __ energy to do work.
free; stored
potential; kinetic
potential; free
kinetic; potential
27
An atom with extra neutron is called a(n)__________________.
isotope
cation
isomer
anion
28
A polymer is formed by which reaction?
respiration
hydrolysis
dehydration synthesis
fermentation
29
Polar substances are ___ and ___. (pick ONE)
attracted to water molecules
repelled by water
composed of neutrally charged molecules
composed of charged molecules
30
Which of the following is NOT considered a living organism?
Bacteria
Virus
Human
Plant
31
Most of the energy harnessed in cellular respiration is generated during which step?
glycolysis
citric acid cycle
the electron transport chain.
Calvin Cycle
32
What type of bond results when one atom takes an electron from another atom?
Hydrogen Bond
Polar covalent bond
Ionic Bond
Non-polar covalent bond
33
What are grana?
the double membranes that surrounds the chloroplast
stacks of thylakoid membranes
flattened disks or sacs in the chloroplast
fluid-filled spaces of the chloroplast
34
A clown fish that lives in an anemone (both organisms are benefitted) is an example of
parasitism
commensalism
competition
mutualism
35
Sodium moves out of a cell from a low to a high concentration using ______ transport.
Faciliatated Diffusion
Diffusion
Active transport
Osmosis
36
When fish adapt to different aspects of an environment to become two distinct species, this is an example of
allopatric speciation
gene flow
genetic drift
sympatric speciation
37
Which of the following organisms are ultimately dependent on the sun as a source of energy?
Primary consumers
All organisms
Producers
Decomposers
38
__is the blueprint for all proteins necessary in a cell
tRNA
rRNA
mRNA
DNA
39
Which of the following is NOT a mechanism for evolution?
Mutations
Genetic Drift
Natural Selection
Random Mating
40
Movement of water across a membrane from high to low concentration
Diffusion
Active transport
Faciliatated Diffusion
Osmosis
41
Which of the following is NOT a required characteristic of life?
Organization
Eating
Adaptation
Growth
42
The last phase of photosynthesis is
Calvin Cycle
the electron transport chain.
glycolysis
Krebs/citric acid cycle
43
All of the plants and wildlife within a given area constitutes a
ecosystem
population
species
community
44
A polymer is a long chain of ______________________.
Monomers
Atoms
Electrons
Elements
45
Human blood has a pH of about 7.4. This is
neutral
very acidic
slightly basic
slightly acidic
46
ALL cells contain all of these features EXCEPT _________.
cell membrane
genetic material
cytoplasm
Mitochondria
47
The first phase of cellular respiration is
the electron transport chain.
citric acid cycle
glycolysis
Calvin Cycle
48
Which biomolecule is used for energy or structure?
carbohydrates
proteins
nucleic acids
lipids
49
Which of the following is the correct formula for photosynthesis?
C6H12O6 + 6H2O + sunlight --> 6CO2 + ATP + 6H2O
6O2 + C6H12O6 --> ATP + 6CO2 + 6H2O
6CO2 + 6H2O + sunlight --> C6H12O6 + 6O2
6CO2 + 6O2 + sunlight --> 6H2O + C6H12O6
50
Which of the following is a source of genetic variation in sexually reproducing organisms?
All of the choices are sources of genetic variation.
fertilization
independent assortment
crossing over
51
What means of membrane transport would a macromolecule use to enter a cell?
Exocytosis
Osmosis
Endocytosis
Faciliatated Diffusion
52
Enzymes are composed primarily of
carbohydrates
lipids
proteins
nucleic acids
53
Long, loose strands (like a bowl of spaghetti) of DNA found in the nucleus are called _____.
Chromatin
Chromatids
Nucleolus
Chromosomes
54
The movement of a substance from a high concentration to a lower concentration is called
Faciliatated Diffusion
Diffusion
Osmosis
Active transport
55
The job of a species is called its
niche
food web
habitat
food chain
56
Which cellular organelle is responsible for making proteins from an mRNA molecule?
Golgi Body
lysosome
Nucleus
Ribosome
57
Which of the following is NOT a form of potential energy?
they are all examples of potential energy
ATP molecule
water in dam
food
58
Which is NOT true about the cell theory?
It applies to all forms of life.
It states that all cells come from preexisting cells.
It states that bacteria can arise spontaneously.
It states that all organisms are composed of cells.
59
The ability of living things to maintain stable internal conditions is called
metabolism
apoptosis
homeostasis
adaptation
60
The cell membrane is composed primarily of
carbohydrates
lipids
proteins
nucleic acids
61
Which term refers to the attraction of water molecules to one another?
hydrolysis
adhesion
cohesion
polarity
62
A cell with 1% NaCl is placed in a solution with 2% NaCl. The solution is _________.
isotonic
catatonic
hypotonic
hypertonic
63
Enzymes are
catalysts
all of the answers are true
proteins
necessary to speed up chemical reactions
64
The maximum number of individuals of a given species the community can support is called the
Biotic potential
Carrying capacity
Rate of natural increase
K- selection
65
The formation of gametes occurs during the process of:
meiosis
mitosis
fertilization
replication
66
A parent cell has 48 chromosomes. How many chromosomes will a daughter cell have after mitosis?
23
24
48
96
67
In multicellular organisms, the function of mitosis includes all of the following except
growth
asexual reproduction
repair
development
68
A cell is small, has a cell wall, has a green pigment, and has NO nucleus. It is probably a ___.
photosynthetic bacteria
protist
plant cell
cheek cell
69
Which organelle transforms one form of energy into another?
Mitochondria
Golgi Body
Endoplasmic Reticulum
Ribosome
70
Point mutations always lead to a protein that is nonfunctional.
False
True
71
Barr bodies represent a form of _____.
post-translational control
transcriptional control
the control of intron removal
translational control
72
Who is given credit for coming up with our system of taxonomy?
Linnaeus
Lamarck
Mendel
Darwin
73
If a pea plant shows a dominant phenotype,
The genotype may be Tt or tt
The genotype can only be TT
The genotype can only be tt
The genotype may be Tt or TT
74
The last phase of respiration is
glycolysis
Krebs/citric acid cycle
Calvin Cycle
the electron transport chain.
75
When glucose is broken down, only some of the energy is converted into usable ATP. The rest is
simply lost
released as heat
converted to CO2
converted into more glucose
76
In an experiment, the researcher changes the
independent variable
constants
control group
dependent variable
77
What is the monomer of a protein?
Peptide
Fatty Acid
Nucleic Acid
Amino Acid
78
According to the endosymbiosis theory ________ were engulfed by larger eukaryotic cells.
lysosomes
Golgi Body
ribosomes
Mitochondria
79
What happens in the Calvin Cycle?
passage of electrons through an electron transport system
fixation of CO2
carbon dioxide production
oxygen production
80
Choose the correct order of classification from largest (bucket) to smallest (bucket). ______
Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species
Kingdom-Class-Phylum-Domain-Genus-Order-Family-Species
Domain-Kingdom- Class-Phylum-Order-Genus-Species-Family
Kingdom-Domain-Class-Phylum-Order-Family-Genus-Species
81
Chloroplasts produce _____________ .
ATP and Lipids
Glucose and Oxygen
Lipids and carbon dioxide
Carbon Dioxide, water, and ATP
82
Which organelle is responsible for breaking down and absorbing materials taken in by the cell?
Mitochondria
Golgi Body
Lysosome
Endoplasmic Reticulum
83
Chromatin is composed primarily of
nucleic acids
proteins
lipids
carbohydrates