Transcript EOCT Review

EOCT
Review
#7
Biology/Mrs. McClain
35 Questions
1
In which structure would
you find a nucleus?
a.
b.
c.
d.
Bacteria cell
Plant cell
Prokaryote
Virus
2
What type of mutation results
when a nucleotide is lost during
DNA replication?
a.
b.
c.
d.
Substitution
Insertion
Inversion
Deletion
3
Which class of macromolecules
store and communicate genetic
information?
a. Carbohydrate
b. Nucleic Acids
c. Lipids
d. Proteins
4
What is this called?
a.
b.
c.
d.
Fertilization
Crossing over
Segregation
Mitosis
5
The table shows several DNA codons and their corresponding amino acids.
If a sequence of DNA reads AGT GGG TCT, for what sequence of amino
acids does it code?
a.
b.
c.
d.
Arginine-glycine-serine
Serine-arginine-arginine
Serine-arginine-glycine
Serine-glycine-serine
DNA codon
Amino acid
AGA
Arginine
AGC
Serine
AGT
Serine
GGA
Glycine
GGC
Glycine
GGG
Glycine
TTG
Leucine
TCG
Serine
TCT
Serine
6
What is the capsid of a virus?
a.
b.
c.
d.
The disease it causes
The receptors to which it binds
The genetic material
The protein coat
7
Biotechnology is the use of organisms or their products to
improve human health and food production. Sometimes
scientist change the DNA of an organism by inserting a gene
from another organism. What is this process called?
a.
b.
c.
d.
Genetic engineering
Replication
Transcription
Selective breeding
8
Where does translation occur?
a. In the ribosomes
b. In the mitochondria
c. In the nucleus
d. Outside of the cell
9
We did a LAB on this!
Which of the following factors is MOST likely
to affect the function of an enzyme?
a. Catalysts
b. Size of the beaker
c. Proteins
d. Temperature
10
A scientist who is studying
oak trees would be a:
a.
b.
c.
d.
Zoologist
Botanist
Ecologist
Entomologist
11
Which of the following is a
symbiotic relationship where both
organism benefit?
a.
b.
c.
d.
Mutualism
Commensalism
Altruism
Competition
12
An RNA molecule was synthesized to form
complementary base pairs with a DNA
molecule. The sequence of the DNA was
TACGACTCA. The RNA sequence should be:
a.
b.
c.
d.
TGA GTC GTA
AUG CUG AGU
UGA GUC GUA
ATG CTG AGT
13
Which of the following biomes has the MOST
biodiversity?
a. Tropical rainforest
b. Desert
c. Tundra
d. Estuary
14
Which kingdom contains only singlecelled organisms?
a.
b.
c.
d.
Eubacteria & Protista
Eubacteria & Archaebacteria
Archaebacteria & Animalia
Plantae & Fungi
15
Which of the following are NOT in
Kingdom Protista?
a. Amoeba
b. Paramecium
c. Euglena
d. Yeast
16
Which group of
macromolecules includes
enzymes?
a.
b.
c.
d.
lipids
carbohydrates
Nucleic acids
proteins
Half Way
There!
17
Human activities that increase carbon dioxide
in the atmosphere are likely to be responsible
for which of the following environmental
changes?
a.
b.
c.
d.
Decreased plant growth
Tsunamis
An ice age
Global warming
18
To what kingdom do mushrooms
belong?
a.
b.
c.
d.
Eubacteria
Protista
Fungi
Plantae
19
Which of the following statements
BEST describes a function of an
enzyme?
a. Enzymes are specialized proteins that serve as catalysts.
b. Enzymes are molecules made of carbohydrates found in all
cells.
c. The structure of an enzyme is denatured during a chemical
reaction.
d. All enzymes work on all substances.
20The diagrams below show two amino
acids. What would biochemists call the
molecule made by chaining many of
these amino acids together?
a.
b.
c.
d.
Carbohydrate
Protein
Lipid
Nucleic Acid
21
Which trophic level provides
nourishment for the most
organisms in the biome?
a.
b.
c.
d.
First-order consumers
Second-order consumers
Producers
Decomposers
22
Which of the following pairs of
animals are most likely to have a
predator/prey relationship?
a.
b.
c.
d.
Dog and tapeworm
Spider and fly
Buffalo and tickbird
Whale and barnacle
23
In a DNA molecule, thymine
always pairs with
a.
b.
c.
d.
Cytosine
Guanine
Adenine
Uracil
24
Which of the following feet belongs to the
bird BEST adapted to survive in an
environment in which they need to swim
to find food?
a.
c.
b.
d.
25
Glucose is formed by plants when they
carry out photosynthesis. Glucose is an
example of a
a. Protein
b. Carbohydrate
c. Lipid
d. Nucleic Acid
26
Sharks and penguins both use fins to
swim, but their fins developed differently.
What type of structures are these?
a.
b.
c.
d.
Analogous structures
Homologous structures
Fossilized structures
Biochemical structures
27
What is the best definition
of an ecosystem?
a.
b.
c.
d.
Living things in a given area
Nonliving things in a given area
Plants and animals only
All the living and nonliving things
in a given area
28
What is a primary cause of
algal blooms (eutrophication)
in aquatic ecosystems?
a.
b.
c.
d.
Nutrient-rich run-off
Increased biodiversity
High oxygen levels
Loss of algae in the food web
29
Which of the following chemical reactions
produces the initial food required for all
life on Earth?
a.
b.
c.
d.
CO2 + H2O + sunlight  C6H12O6 + O2
O2 + C6H12O6  CO2 + H2O
CO2 + ATP  C6H12O6 + O2
None above
30
Which of the following is an
abiotic factor in an
ecosystem?
a.
b.
c.
d.
Predator
Earthquake
Disease
Competition
31
What is the name of this
organelle?
a.
b.
c.
d.
Chloroplast
Endoplasmic Reticulum
Nucleus
Vacuole
32
Which of the following is an advantage of
sexual reproduction over asexual reproduction?
a. It does not require specialized sex cells
b. It requires less energy
c. It leads to greater genetic diversity in a population
d. It requires only one parent
33
Based on the summary equation for
photosynthesis shown below, which of the
following is a product of the reaction?
CO2 + H2O  C6H12O6 + O2
a. H2O
b. C6H12O6
c. light
d. CO2
34
Pea Plants can either be tall or
short. In this cross, what will
be the genotypic percentages?
a.
b.
c.
d.
100% Tt
50% TT and 50% tt
100% tall
50% tall and 50% short
T
T
t
t
T = Tall
t = Short
35
How do enzymes speed up chemical
reactions?
a. By raising the activation energy
b. By lowering the activation energy
c. By becoming part of the reaction
d. By releasing proteins
The
End