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2021 Biology Review Flashcards | StudBud
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2021 Biology Review
2021 Biology Review
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Review for FL Biology EOC #florida #eoc #biology
Flashcards
31 cards
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Questions
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Answers
1
The removal of which component is
MOST LIKELY
to cause an immediate, large-scale impact?
arthropods
plants
nematodes
birds
2
How much does the EOC count towards your final grade for Biology?
20%
50%
100%
0.01%
3
What is the
major
function of a leaf?
reproduction
anchorage
photosynthesis
support
4
Which statement below is NOT true about invasive species, like the Brazilian Pepper Tree?
Destroy the habitat of native animals
Lots of money is spent because of problems caused
Spread throughout areas they are not desired
Easy to get rid of
5
During DNA replication, a DNA strand has the bases
CTAGGT
. What is the complimentary strand?
GAUCCA
TCGAAC
GATCCA
AGCTTG
6
Which of the following is
NOT
a principle of the cell theory?
Very few cells reproduce
Cells are the basic units of life
All cells are produced by existing cells
All living things are made of cells
7
Which of the following structures is found in both prokaryotic and eukaryotic cells?
nucleus
lysosome
mitochondrion
ribosome
8
Which of the following is
NOT
a density-dependent limiting factor?
struggle to survive a natural disaster
parasitism and disease
predator/prey relationships
struggle for food, water, shelter, or sunlight
9
How many energy-transferring steps away from the sun is the snail?
2
1
3
4
10
What percentage of offspring show the recessive phenotype if both parents are heterozygous?
75%
50%
0%
25%
11
How does comparing skeletons provide support for the scientific theory of evolution?
Shows possible chromosomal similarities
Provides information to determine organisms' age
Shows possible common ancestry between organisms
Provides information about organisms' habitats
12
What are the products of photosynthesis as well as the reactants of cellular respiration?
carbon dioxide and water
glucose and oxygen
carbon dioxide and oxygen
glucose and carbon dioxide
13
Which of the following phrases best describes cancer?
Mutations in genes for cell cycle cause abnormal cell growth
Presence of genetic defects caused by hereditary disorders
Absence of cyclins in the DNA
Multiple gene mutations on a chromosome of DNA
14
Why is sexual reproduction more beneficial in an evolutionary sense over asexual reproduction?
Makes clones
Produces genetic variation
Requires only one parent
Produces many cells
15
Mutations within a DNA sequence are...
natural processes that always affect the phenotype
unnatural processes that always affect the phenotype
natural processes that produce genetic diversity
unnatural processes that are harmful to genetic diversity
16
Organisms need matter to survive. Which of the following is true about matter in the biosphere?
total amount of matter decreases over time
matter flows through ecosystems in one direction
total amount of matter increases over time
biogeochemical cycles transform & reuse molecules
17
Which cell structure is correctly paired with its primary function?
nucleus - storage of nutrients
mitochondrion - movement
vacuole - cell division
ribosome - protein synthesis
18
Why can bacteria recognize a human gene and then produce a human protein?
Basic components of DNA are the same in humans & bacteria
DNA replication in bacteria and humans is the same.
Bacterial & human cells contain same kind of chromosomes
Bacterial cells contain the same organelles as human cells
19
Which of the following properties allows water to move from the roots to the leaves of a plant?
expands as it freezes
excellent solvent
able to moderate temperatures
shows adhesive and cohesive behavior
20
According to chemical evolution theory, which event would need to occur 1st for life to evolve?
formation of the plasma membrane
Synthesis of organic molecules
origin of genetic material
onset of photosynthesis
21
Why are bacteria classified as prokaryotes?
Cannot produce their own food.
Do not require oxygen to perform respiration.
Unable to produce amino acids.
Lack membrane-bound nuclei.
22
Which statement
BEST
summarizes the direct role of DNA in cells?
Protects cells from infection
Regulates chemical processes that provide cell with energy
Guides cell division
Provides instructions for making proteins
23
Which of the following is the primary source of useable energy for living things?
carbohydrates
lipids
proteins
nucleic acids
24
What will most likely happen if an appropriate enzyme is added to a chemical reaction?
The reaction rate will increase.
The reaction rate will decrease.
The equilibrium of the reaction will be maintained.
The reaction will stop.
25
Which is the
BEST
evidence of an evolutionary relationship between two organisms?
similarity in DNA
similarity in niche
similarity in habitat
similarity in behavior
26
Where does cellular respiration occur in a eukaryotic cell?
endoplasmic reticulum
nucleus
chloroplast
mitochondria
27
Which of the following is true of a zygote?
It is made up of only one cell
It produces haploid male gametophytes
It forms into a blastocyst
It is an unfertilized egg
28
Which technology would probably be most important to a diabetic person who had to take insulin?
engineering fruits & veggies that resist insects/other pests
developing ways to ID criminals through DNA fingerprinting
using recombinant DNA to produce human hormone from bacteria
testing parents for genetic disorders before having children
29
Which of the following describes an event that results from mitosis but
NOT
meiosis?
replication of cellular genetic material
daughter cells that are identical to the parent cell
2 stages of cell division
4 daughter cells that are produced from each parent cell
30
Which of the following should be inferred about cells with semipermeable membranes?
Substances other than H2O may block pores in cell membrane.
Substances other than water may also cross the cell membrane
H2O leaves cell when placed in environment with low [solute]
H2O enters cell when placed in environment with high [H2O]
31
Which process does
NOT
release CO
2
into the atmosphere?
decomposition
human activity
burning fossil fuels
photosynthesis
