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biology regents study guide
biology regents study guide
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this is a study guide for the living environment regents.
Flashcards
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Questions
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Answers
1
what is the dependent variable?
the variable changed y the experiment.
the variable included in the hypothesis.
the variable changed by the scientist.
2
what is an inference?
a question.
a guess about what was observed.
an observation.
A fact.
3
what is the experimental group?
the group with the dependent variable.
the group that is being tested.
the group that is being compared to.
4
what does a regents graph need to include?
points that are connected.
circled points that are connected and axes that are labeled.
points connected and circled.
5
what is a good model to show how the substrate and enzyme connect?
fork and knife model.
salt and pepper model.
lock and key model.
6
where does a human fetus develop?
the kidney
the uterus
the stomach
in the fallopian tubes
7
what codes for protein?
DNA
amino acids
mRNA
tRNA
8
what is ecological succession?
the success of a student on a pop quiz.
the success of a pathogen in the human body.
The success of a species in a community
the change in the structure of a community over time.
9
which body system does HIV affect?
the nervous
the immune
the circulatory
the resipatory
10
what are the two components of a scientific name?
class and order
kingdom and phylum
genus and species
family and genus
11
what is a genetic disorder?
an effect of HIV.
an illness due to the change of a DNA sequence.
a change in the amount of blood in a human body.
a continuous and unstoppable growth of cells.
12
what is carrying capacity?
the average tests grade of Ms. Dudek's biology class.
the amount of weight an animal can hold.
the number of organisms that a region can support.
A number of people an elevator can hold.
13
what is an observation?
a guess about what is seen.
a question derived from what is seen.
something that is correctly concluded from what is seen.
an inference.
14
What is an example of genetic engineering?
symbiotic relationships
natural selection
competition
cloning.
15
what is the main function of the digestive system?
to deliver oxygen to the blood.
to keep the blood pumping.
to digest food.
to deliver nutrients to the blood from digested food.
16
what is a similar structure found in different species that does not perform the same function?
vestigial organs
homologous structures
17
What is a positive human imact on the environment?
acid rain
loss of biodiversity.
industialization
recycling
18
what is the main function of the endocrine system?
to help fight off pathogens.
to send information to the brain.
to produce hormones that regulate the body's activities.
19
what scientist studies fossil record?
a paleontologist.
an embryologist.
a doctor.
a historian.
20
what is the correct format of a hypothesis?
if...because...then...
this...will...because...
if...then...because...
21
what is the fusion of a male gamete and a female gamete?
fertilization
mitosis
meiosis
mytoesis
22
what is thymine replaced with in mRNA
uragon
uracil
urine
adanine
23
what is the base pair rule for DNA
CT/AG
AU/CG
AT/CG
AC/GT
24
what is the main function of the excretory system?
to oxygenate the blood.
to help the body discharge wastes.
to carry nutrients into the blood.
25
which organelle synthesizes protein?
vacuole
nucleus
ribosome
lysosome
26
which molecuels are needed to cut DNA into smaller fragments?
carbohydrates
proteins
antibodies
biological catalysts
27
what theory did Darwin create?
the theory of genetic engineering.
the theory of geography.
the theory of evolution.
the theory of relationships
28
what is the control group?
the group containing the independent variable.
the group being tested on.
the comparison group.
29
what is the term for when molecules move from a high concentration to a low concentration?
active transport.
osmosis.
isotonic cell.
diffusion.
30
what is the correct order from least to most complex?
nucleus, chromosome, DNA, nitrogen base
DNA, nitrogen base, nucleus, chromosome
nitrogen base, DNA, chromosome, nucleus
chromosome, DNA, nucleus, nitrogen base
31
what do drugs do to receptor molecules?
over stimulate or block off parts of them.
create new receptor molecules.
destroy them.
32
what is the formula for cellular respiration?
C6H12O6+O2→CO2+H2O+ATP
CO2+H20+ATP→O2+C6H12O6
33
what organelles do plant cells have that animal cells do not have?
plant wall and chloroplast.
plant wall and chloroplast.
Golgi apparatus and vacuole.
cytoplasm and cell membrane.
34
what is an autotroph?
an organism that gets energy from eating other organisms.
a self-feeder.
a herbivore.
35
what is the correct order of organization? (from least complex to most complex)
organ system, organ, tissue, cell
cell, tissue, organ, organ system
organ, organ system, cell, tissue
36
what are the main functions of the nervous system?
to deliver blood to the body
to help deliver a baby.
to gather information, send it to the brain and react to it.
37
what are carbohydrates?
compounds that provide the body with protein.
compounds that provide the body with glucose.
compounds that provide the body with fat.
38
what are producers?
heterotrophs
herbivores
carnivores
autotrophs
39
what is the process of when a cell becomes for specialized?
differentiation
mitosis
fertilization
meiosis
40
how many parents does asexual reproduction need?
2
3
1.5
1
41
what is a form of renuable energy?
solar energy
acid rain
fossil fuels
42
what is the independent variable?
the variable that is kept the same.
the variable changed by the experiment.
the variable changed by the scientist.
43
what pH level is the most acidic?
1
7
14
5
44
what two variables change the shape of an enzyme?
glucose and carbohydrate levels.
vitamin and nutrient levels.
pH and temperature levels.
45
what is variation within a population?
differences in environment.
natural selection
evolution
genetic differences of an organism.
46
fill in the blank: _____ ______ membrane
semi cell
semi permeable
permeable cell
47
what does A, T, C, G stand for in biology?
America, Thailand, Cuba, Germany
adult, thesaurus, cooking, guac
adenine, thymine, cytosine, guanine
adutine, thymitine, cytmine, guatine
48
what is a vaccine made of?
bacterial insulin.
a flesh eating parasite.
a dead or weakend pathogen in a liquid.
a group of live patogens.
49
which is more complex, a biome or biosphere?
biome
biosphere
50
why do all body systems interact?
to help the body age properly.
to make sure cells go through mitosis.
to maintain homeostasis.
to keep the body at a correct pH level.
51
what is mitosis?
cell division that results in two identical daughter cells.
cell division that only happens in the toe.
the creation of gametes.
cell division that only occurs in the brain.
52
what is the term used for when there is alot of diversity within an ecosystem?
biodiversity
ecodiverity
earthdiverse
biodegration
53
what does meiosis create?
two daughter cells that are haploid (sperm and egg)
two identical daughter cells
four daughter cells that are haploid (sperm and egg)
three daughter cells that are haploid (sperm and egg)
54
what evidence did Darwin use to validate the theory of evolution?
symbiotic relationships
geography
natural selection
55
what is natural selection?
least desirable traits.
when a species is better adapted to their environment.
when a species can't reproduce.
when a species does not like when they live and moves.
56
what is a stimulus?
a fracture of the spinal cord.
a detached nerve cell.
a rewiring of a nerve cell in the brain.
a change in the environment of the body due to an event.
57
how many parents does sexual reproduction need?
1
4
2.5
2
58
what do neurons do?
help humans undergo photosynthesis.
send information to the body from the brain.
help plant cells undergo respiration.
59
what is a heterotroph?
an omnivore.
an organism that gets energy from eating other organisms.
a self-feeder.
60
what is a dichotomous key?
a tool used to identify the scientific name of on organism.
a tool used to identify the phylum of organisms.
a tool used to identify types of cells.
61
what structure that provides the fetus oxygen and nutrients during development?
the uterus
the stomach
the placenta
the brain
62
which organelle contains DNA?
nucleus
ribosome
mitochondria
63
what is the main function of the circulatory system?
to digest food.
to bring oxygen to the blood.
to deliver oxygen and nutrients to all of the body.
to help the body fight off pathogens.
64
what is a prokaryotic cell?
a cell the contains an extra cell membrane.
a cell that contains an extra nucleus.
a cell that contains no nucleus.
a cell that contains no cell membrane.
65
which one is a correct kingdom?
bacterium
Animalia
promonera
planter
66
what is the main function of the respiratory system?
to oxygenate blood.
to deliver blood throughout the body.
to digest food.
to fight off pathogens.
67
what is a niche?
the role of an organism within its community.
a type of tick.
a type of virus.
the one spot on your back that you cannot scratch.
68
What codes for mRNA?
tRNA
amino acids
proteins
DNA
69
why do scientists use gel electrophoresis?
to help with cloning
to find symbiotic relationships
to compare DNA
70
what is selective breeding?
when humans develop organisms with desirable traits.
when humans compare DNA.
when humans create identical organisms.
71
what are vestigial organs?
useful bones in the body.
large organs.
structures that have no function in an organism.
vital organs.
72
what is diabetes?
the disease where there is too much glucose in the blood.
the disease where there is too much insulin being produced
the disease where there is no glucose in the blood
73
what does the beaks of finches chart contain?
the name of all of the different types of finches.
what different types of finches eat and their type of beaks.
the names of the plants and animals that the finches eat.
where each finch lives.
74
which organelle produces usable energy?
vacuole
endoplasmic reticulum
mitochondria
75
what does a codon chart contain?
the translation of DNA to mRNA.
mRNA sequences that translate to certain amino acids.
the translation of mRNA to DNA.
amino acids that pair with certain DNA sequences.
76
what can you do to make the experiment more valid?
conduct more trials.
conduct fewer trials.
have two independent variables.
77
when a human is born with diabetes, which type do they have?
type 2
type 1
78
living organisms must contain ______
legs
life
seeds
cells
79
what does insulin do to the body?
increase glucose levels in the blood.
decrease glucose levels in the blood.
help a child go through puberty.
80
what is a negative human action toward the environment?
loss of the ozone layer.
planting trees.
conserving.
protecting animals.
81
what is more complex, a food web of a food chain?
food web
food chain
82
what is a chromosome made of?
DNA
mRNA
proteins
amino acids
83
what is the main function of the immune system?
to help the body fight off diseases.
to raise white blood cell count.
to help the body with fight of flight responses.
84
what is the reason Darwin's finches had to change their beaks after the environment changed?
they felt like it
humans made them
competition for food
they were told to
85
what is the formula for photosynthesis?
CO2 + H2O + ATP→ C6H12O6 + O2
C6H12O6+O2→CO2+H2O+ATP
