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Biology First Semester Exam Review Flashcards | StudBud
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Biology First Semester Exam Review
Biology First Semester Exam Review
38 terms
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biology
Flashcards
38 cards
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Questions
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Answers
1
Science requires...
explanations that can be tested
explanations that make sense in your head
explanations that agree with common beliefs
2
Which chemical is an electron carrier
oxygen
CO2
NADP+
H2O
3
Marine biomes are divided into ecosystems by
Their depth and distance from the shore
the type of plant life present
Their temperature and distance from the shore
The type of fish present
4
What would happen to a cell placed in salt water?
It would shrink and water rushed out of the cell
It would expand an burst and water rushed into the cell
It would stay the same, as water moved in and out equally
5
S-35 and S-32 differ because...
S-35 has more neutrons
S-35 has more protons
S-35 has more electrons
6
What level of the trophic pyramid is responsible for recycling matter?
Producers
Decomposers
Consumers
7
Carbon-carbon bonds are found in
Living things
water
only inorganic substances
8
During mitosis, a cell with 8 chromosomes will produce two daughter cells, each with __ chrom
8 chromosome
2 chromosomes
4 chromosomes
16 chromosomes
9
In which phase is sugar made ?
glycolysis
Light independent reactions
Light dependent reactions
Kreb's Cycle
10
Utilizing resources while preserving ecosystems is:
maximum influence
damaging to the environment
unsustainable
sustainability
11
In a pedigree, a fully unshaded circle or square means...
non-carrier or affected
has the disease
carrier
12
What produces carbohydrates in photosynthesis?
chemoautotrophs
photoautotrophs
heterotrophs
oligotrophs
13
Which organelle converts energy from the Sun to stored chemical energy (sugar)
golgi apparatus
mitochondria
ribosome
chloroplast
14
a plant with the genotype RRYy would have how many gametic combinations
4
8
2
16
15
Another name for introduced species are:
invasive species
alien species
non-native species
competing species
16
Amino acids make up....
DNA
RNA
Proteins
Fats
17
In meiosis, daughter cells are:
diploid
genetically different
genetically identical
somatic cells
18
What are the reactants in cellular respiration
CO2 and H2O
Sugar and CO2
Sugar and oxygen
oxygen and water
19
The breakdown of food to get energy is called
cellular respiration
photosynthesis
mitosis
hydrolysis
20
How did Rosalind Frank's xray diffraction help solve the DNA mystery?
Showed the backbone
Showed the bases ATCG
Showed DNA was heredity material
Showed the double helix nature of DNA
21
The carrying capacity in a population is reaches when.
The population reaches a certain quota
The death rate slows
The population ungoes exponential growth
The resources become less available
22
What kind of respiration occurred first on earth
anaerobic
aerobic
23
Which DNA base is not the same in RNA?
Guanine
Cytosine
Adenine
Thymine
24
Where does the "lost energy" go?
Goes toward decomposition
It becomes part of the organism
it's lost as heat
It's pooped out by organisms
25
List from most acidic to most basic: vinegar (3.1), Lye (12.2), Baking Soda (8.5)
Vinegar, BS, Lye
Lye, BS, Vinegar
BS, Lye, Vinegar
Lye, Vinegar, BS
26
Glucose makes up
proteins
starches
fats
amino acids
27
Restriction enzyme creates
sticky ends
2nd strand of DNA
hydrogen bonds
DNA nucleotides
28
Living things...
Need to undergo chem reactions to use energy from environmt
Contain a vital force not found in living things
Do not need catalysts to stay alive
29
according to this chart, skin color is-->
dominant/recessive
incomplete dominance
polygenic
codominance
30
Which is a competitive relationship
A cat hunting birds
Two birds nesting in different areas
A fox eating a squirrel
A squirrel and a chipmunk harvesting nuts in one yard
31
Which organelle converts stored energy (sugar) into usable energy (ATP)
mitochondria
chloroplast
ribosome
golgi body
32
Which of the following is climate, instead of weather
We got 5 inches of snow last night
We are having an incredible dry spell in July
rainfall has decreased by 2 inches on average in 10 yrs
It is -2*F now.
33
The percent of cytosine in the bacterium is ~
36.6%
26.6%
73.2%
13.4%
34
What is the correct # of p, n and e for Argon?
18 p, 22n 18 e
18 p, 21n, 18 e
18p, 18, 22 e
18p, 18n, 18 e
35
Sarah's doctor thinks her rash is either caused by a fungal infection or a vitamin deficiency.
He should just try one, so that there are not 2 variables.
He should give her both the antifungal and vitamin to help
36
Crossing a Red homozygous recessive flower with a White homozygous dominant flower will result
All red
25% white, 75% red
in 50% red and 50% white
All white
37
What is the order of the "central dogma" of biology?
G1->S->G2->mitosis->cytokinesis
RNA->protein->DNA
DNA->mRNA->protein
mitosis->Meiosis.->G-phase
38
True or False, each amino acid is specified by only 1 codon
TRUE
FALSE
