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Biology A Semester Exam Flashcards | StudBud
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Biology A Semester Exam
Biology A Semester Exam
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Review for Biology A Exam
Flashcards
38 cards
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Practice quiz
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Questions
38
Answers
1
How do aerobic and anaerobic respiration differ?
Anaerobic requires oxygen, aerobic does not
Anaerobic respiration evolved first
Only anaerobic respiration occurs in human cells
One releases more energy than the other
2
There are 64 codons and 20 amino acids. Which of the following is true?
Each amino acid is specified by only one codon
Several different codons can specify the same amino acid
Some amino acids have no link to a codon
Each codon specifies a different amino acid
3
What are the reactants in the equation for cellular respiration?
water and glucose
oxygen and lactic acid
glucose and oxygen
carbon dioxide and water
4
Which of the following is
not
a limiting factor on sea otter population in the ocean?
predation
competition
disease
drought
5
Which organelles are involved in energy conversion?
smooth and rough endoplasmic reticulum
mitochondria and chloroplasts
Golgi apparatus and chloroplasts
mitochondria and ribosomes
6
Ideally, sustainable development should ___________.
provide for human needs at the expense of the environment
put the protection of the environment ahead of human needs
use more natural resources to make goods to meet human needs
preserve ecosystems while providing for human needs
7
What is the only variable that is changed by the experimenter during the lab?
analysis of experiment
dependent variable
controlled variable
independent variable
8
90% of energy is NOT passed to the next trophic level in a food chain, where does it go?
stored as fat
stored as body tissue
eliminated as heat
used in reproduction
9
What happens during photosynthesis?
Autotrophs consume carbohydrates
Heterotrophs consume ATP
Autotrophs produce carbohydrates
Heterotrophs produce ATP
10
Matter can recycle through the biosphere because ___________.
matter does not change into new compounds
biological systems use carbon,oxygen, hydrogen, and nitrogen
biological systems do not use up matter, they transform it
matter is assembled into chemical compounds
11
P=purple, p= red. How many phenotypes in offspring of homozygous purple with homozygous red?
4
3
1
2
12
X-ray diffraction data by Franklin & Wilkins helped Watson & Crick solve structure of DNA, how?
identify double stranded nature of helix and its dimensions
the ratio of bases
the presence of deoxyribose sugars
the presence of hydrogen bonds between bases
13
Which of the following pairs does not fit the pattern shown by the other pairs?
glucose, starch
fatty acids, DNA
amino acids, protein
ribonucleotide, RNA
14
What happens if you place human red blood cells in a concentrated salt solution?
They burst as water moves from outside to inside the cells
No change occurs, water diffuses across the cell membranes.
Cells use energy to pump water out
They shrink as water moves from inside to outside the cells
15
The difference between codominance and incomplete dominance is
Incomplete dominance: Both alleles equally seen in phenotype
Codominance: One allele is seen in phenotype from parent
Codominance: Both alleles are equally seen in new phenotype
Incomplete dominance:A new allele seen in phenotype
16
During mitosis, parent cell with 4 chromosomes will produce two daughter cells, each containing
8 chromosomes
4 chromosomes
2 chromosomes
16 chromosomes
17
Which of the following is unique to meiosis?
Daughter cells produced in meiosis are genetically different
Chromosome duplication occurs prior to cell division
Chromosomes align along the central plate of the cell
Daughter cells produced are genetically identical
18
As resources in a population become less available, the population ___________
increases slowly
enters a phase of exponential growth
declines rapidly
reaches carrying capacity
19
According to the image, what brand of bottle is the most neutral?
Evian
Alkalinne TEN
Propel Zero
Poland Spring
20
Which molecule loses electrons during the light reaction in photosynthesis?
chlorophyll molecule
water molecule
ATP molecule
carbon dioxide molecule
21
Which of the following is
not
a step in the light-dependent reactions?
ATP and NADPH are used to produce high-energy sugars
Pigments in photosystem II absorb light
ATP synthase allow H+ ion to pass through thylakoid membrane
High-energy electrons move through electron transport chain
22
Marine biomes are divided into ecologically distinct zones depending on
their temperature and distance from the shore
the type of fish present
their depth and distance from the shore
the type of plant life present
23
How does studying science help you be a better member of society?
Learning biases of science to know what is right or wrong.
Understanding science helps you make better decisions.
Memorizing science facts helps you become more intelligent.
Knowing science helps you live without technology.
24
What is the role of the scorpion in the food web?
decomposer
primary consumer
secondary consumer
producer
25
Which of the following pairs interacts with one another in a competitive manner?
2 birds of same or different species live in different areas
a bird and the mite that lives on the bird’s body
2 birds of same or different species living in the same area
a bird and the snake that preys on the bird’s eggs
26
Introduced species can threaten biodiversity because they ___________.
cause desertification
reduce the amount of fertile land
crowd out native species
cause biological magnification
27
Which nucleotide in the figure indicates the nucleic acid is RNA?
guanine
cytosine
adenine
uracil
28
How is science different from other disciplines (like English, Math, etc)?
relies on theories
science relies on facts
relies on observations
relies on testing explanations
29
Which of the following describes a neutral atom of oxygen?
8 protons, 8 neutrons, 8 electrons
6 protons, 6 neutrons, 6 electrons
6 protons, 6 neutrons, 8 electrons
8 protons, 8 neutrons, 10 electrons
30
Which of these described climate rather than weather?
The temperature decreases in a slow-moving cold front
Rainfall this year was greater than the rainfall last year.
Annual high temperature in summer have increase over decades
Wind speed changes as a storm moves through an area
31
An isotope has a different amount of ____ than a neutral atom
protons
electrons
neutrons
atoms
32
Which is the correct sequence of the transfer of information in most organisms?
RNA to protein to DNA
DNA to RNA to protein
RNA to DNA to protein
protein to DNA to RNA
33
All are examples of a dependent variable if testing how detergent affects seed growth except
amount of water used
amount of detergent used
type of seed used
type of soil used
34
Cellular respiration releases energy by breaking down ____________.
water
carbon dioxide
food molecules
ATP
35
Which pair of chromosomes determine sex? What is the sex of the human karyotype shown?
Pair 21, male
Pair 5, male
Pair 1, female
Pair 23, female
36
Which of the following are NOT true concerning living things?
They do not require catalysts to sustain their living state.
They undergo chemical reactions to get energy for survival
They are composed of molecules containing carbon-carb bonds.
They contain a vital force absent in nonliving things.
37
What amino acid is specified by codon GCG and will there be a change if codon is GCC instead?
The amino acid ala is changed to arg
The amino acid arg is not changed
The amino acid ala is not changed
The amino acid arg is changed to ala
38
According to the pedigree, how did Leopold inherit hemophilia?
Both Albert and Victoria were dominant for the allele
Both Albert and Victoria were recessive for the allele
Only Albert had the dominant allele
Only Victoria had the recessive allele
