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JCHS Biology Full-year Review Part 1 Flashcards | StudBud
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JCHS Biology Full-year Review Part 1
JCHS Biology Full-year Review Part 1
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Biology
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65 cards
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Questions
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Answers
1
How many meters are in 2.4 km?
2,400
240,000
240
24,000
2
A cell membrane has channels/pumps move materials in/out of the cell. What are they made of?
carbohydrates
bilipids
proteins
lipids
3
Looking at a cell under the microscope, you note it is a prokaryote. How do you know?
it lacks a nucleus
it lacks cytoplasm
it lacks genetic material
it lacks a membrane
4
Plants are
primary producers
primary consumers
omnivores
herbivores
5
Gametes have
homologous chromosomes
one allele for each gene
two sets of chromosomes
twice the number of chromosomes
6
Which organelle breaks down organelles that are no longer useful?
endoplasmic reticulum
lysosome
golgi apparatus
mitochondria
7
Photosynthesis uses sunlight to convert water and carbon dioxide into
oxygen and carbon
oxygen and high-energy sugar
ATP and Oxygen
high-energy sugar and proteins
8
What is the primary function of the cell wall?
store DNA
help the cell move
direct the activities of the cell
support and protect the cell
9
This image illustrates which characteristics of living things
living things grow and develop
all things reproduce
living things need material and energy
living things are made of cells
10
Which means of particle transport is shown?
osmosis
diffusion
active transport
facilitated transport
11
Each of the following is a condition necessary for natural selection EXCEPT
fitness varies among individuals
population size is very large
more offspring are born than can survive
there is heritable variation among members of the population
12
Plants make their own food and are called
thykloids
autotrophs
heterotrophs
pigments
13
What if the population of the bird species in the ecosystem were to suddenly decrease?
the fish would occupy the bird niche
the grass population would increase
the fish population would increase
the grass and fish would compete for resources
14
During a controlled experiment, a scientist will choose and test
a control group
a single variable
a conclusion
a mass of information
15
A symbiotic relationship in which on organism is harmed while the other benefits is
parasitism
commensalism
mutualism
predation
16
You suggest that the presence of water could accelerate the growth of bread mold. This is
an experiment
an analysis
a hypothesis
a conclusion
17
What is adding bases to the strand?
DNA polymerase
nucleosomes
chromatin
histones
18
During Diffusion, the concentration of molecules is equal on both sides, the molecules will?
move to the outside of the cell
continue to move across the membrane
stop moving
move to the inside of the cell
19
A symbiotic relationship in which both species benefit is
mutualism
commensalism
predation
parasitism
20
What happens during translation?
messenger RNA is made from a DNA code
Transfer RNA is made from a messenger RNA code
The cell uses a messenger RNA code to make proteins
Copies of DNA molecules are made
21
What goes in box 5 of this food web?
carnivores
scavengers
herbivores
decomposers
22
Which amino acid is specified by the mRNA code CCC?
Gly
Ala
Pro
Lys
23
The basic unit of length in the metric system is the
liter
yard
gram
meter
24
Which best describes the organization of an ecosystem?
populations make up species, make up communities
species make up communities, make up populations
communities make up species, make up populations
species make up populations, make up communities
25
Information gathered from observing a plant grow 3 cm over 2 weeks is called
variables
data
hypothesis
inferences
26
The pattern of spacing between individuals across the range of a population is its
habitat
distribution
growth rate
density
27
The average conditions of the atmosphere in a particular area are referred to as the area's
latitude
weather
climate
ecosystem
28
This example represents which big idea in biology?
interdependence in nature
growth, development, and reproduction
evolution
homeostasis
29
The lowest level of environmental complexity that includes living and nonliving factors is a
community
biome
community
ecosystem
30
What is the smallest living objects that biologists study?
body organs
organisms
cells
molecules
31
If the pH of stomach acid and of oven cleaner were measured
stomach acid would be above 7, oven cleaner below 7
both would be below 7
both be above 7
stomach acid below 7, oven cleaner above 7
32
In what ways are herbivores and carnivores alike?
both consume producers
both are autotrophs
both consume other organisms
both use photosynthesis
33
A branch of biology that deals with interactions among organisms and their environment
ecology
modeling
economy
recycling
34
If an organisms diploid number is 12, its haploid number is
3
6
24
12
35
When during the cell cycle are chromosomes visible?
only during G1 Phase
only during cell division
only when they are being replaced
only during interphase
36
Which structure makes proteins using coded instructions copied onto mRNA?
Mitochondria
Ribosomes
Vacuole
Golgi Apparatus
37
The work of scientists usually begins with
creating experiments
careful observation
drawing conclusions
testing hypothesis
38
The movement of organisms into a range is called
carrying capacity
population shift
immigration
emigration
39
The algae at the beginning of the food chain are
heterotrophs
decomposers
primary consumers
autotrophs
40
Only 10% of energy is passed to the next trophic level. Some is used in life processes and
stored as fat
reproduction
stored as body tissue
eliminated as heat
41
A predator is an animal that
lives inside another animal
eats plants
lives on another animal without harming it
kills and eats other animals
42
What is formed at the end of meiosis?
four genetically identical cells
two genetically different cells
four genetically different cells
two genetically identical cells
43
The graph shows bacterial growth. Which describes the growth curve?
demographic
limiting
logistic
exponential
44
What is the function of the nucleus?
stores DNA
stores sugars
builds proteins
packages proteins
45
Which of the following is a food chain in the food web shown?
grass, grasshopper, snake, hawk
grass, caterpillar, robin, hawk
tree, deer, mountain lion, fox
tree, rabbit, hawk
46
Organisms that have two identical alleles for a particular trait are said to be
heterozygous
dominant
homozygous
hybrid
47
What is this structure
a RNA molecule
a DNA molecule
a protein
an amino acid
48
What is produced during transcription?
RNA molecules
DNA molecules
proteins
RNA polymerase
49
Based on the tables info, what percentage of cyotsine bases are in chicken DNA?
21.5%
13.4%
19.9%
28.8%
50
Which of the following is NOT a basic method used by ecologists to study the living world?
observing
animal training
experiments
modeling
51
Which of the following happens when a cell divides?
It becomes more difficult for the cell to get rid of waters
It becomes more difficult to get oxygen and nutrients
Each daughter receives its own copy of the parent cells DNA
The cells volume increases
52
According to Darwins theory of natural selection, individuals who survive are best adapted due
possession of inherited adaptations that maximize fitness
choices made by plant and animal breeders
the possession of adaptations developed through use
lack of competition within the species
53
Which is NOT a principle of the cell theory?
all cells are produced from existing cells
cells are the basic units of life
very few cells are able to reproduce
all living things are made of cells
54
Which means of particle transport is shown?
facilitated diffusion
exocytosis
protein pump
endocytosis
55
What is the correct equation for cellular respiration?
Oxygen + Glucose + Energy -> Carbon Dioxide + Water
Carbon Dioxide + Water -> Oxygen + Glucose + Energy
Carbon Dioxide + Water + Energy-> Oxygen + Glucose
Oxygen + Glucose -> Carbon Dioxide + Water + Energy
56
Gametes are produced by the process of
meiosis
crossing over
mitosis
replication
57
The different forms of a gene are called
alleles
hybrids
traits
pollinations
58
The diffusion of water across a membrane is called
osmotic pressure
pinocytosis
osmosis
active transport
59
Cross a Tt with a tt. The probability that offspring will be tall is
100%
75%
50%
25%
60
What organelle converts chemical energy stored in food into compounds the cell can use?
Mitochondria
Rough ER
Chloroplast
Centriole
61
If a pea plants alleles for height are tt, what is true about the parents?
both parents contributed a dominant allele
both parents were short
both parents were tall
both parents contributed a recessive allele
62
Sea otters live in the ocean. Which is not likely a limiting factor?
disease
predation
drought
competition
63
What is shown in the figure
Replication
Crossing Over
Anaphase 1 of Meiosis
Independent Assortment
64
The three particles that make up atoms are
positives, negatives, and neutrons
neutrons, isotopes, electrons
protons, neutrons, and isotopes
protons, neutrons, and electrons
65
Invasive species can threaten biodiversity by
reducing fertile land
crowd out native species
deforstation
biological magnification
