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Semester Exam Study guide
Semester Exam Study guide
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#Biology Semester Exam questions
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
The Krebs cycle does not occur if
co2 is present
oxygen is not present
glycolysis occurs
oxygen is present
2
cancer is a disorder in which some cells have lost the ability to:
control their sie
maintain their surface area
move their spindle fibers
control their cell division
3
what is the function of the Nucleus?
Build Protiens
Packages proteins
Stores sugar
Stores DNA
4
Which of the following statements about a controlled experiment is true?
everything can be studied by setting up a controlled exp.
all the variables must be kept the same.
only one variable is tested at a time.
controlled experiments cannot be preformed on living things.
5
AN advantage of sexual reproduction over asexual reproduction is that sexual reproduction?
takes less time
provides genetic diversity
requires more time
produces identical offspring
6
In the presence of oxygen, glycolysis is followed by
latic acid fermentation
the Krebs Cycle
alcoholic fermentation
photosysnthesis
7
Which of the following is NOT a principle of the cell theory?
all living things are made of cells
all cells are produced from existing cells
Cells are the basic units of life.
very few cells are able to reporduce
8
The Diffusion of water across a selectively permeable membrane is called
facilitated diffusion
osmosis
active transport
diffusion
9
The process by which organisms keep their internal conditions relatively stable is called?
a genome
development
evolution
homeostasis
10
The starting molecule for the Krebs cycle is
co2
NADH
ADP
Pyruvic acid
11
An example of qualitative data is
survey results from a sample of grade school students
32 geese recorded in a population study
12
What is the function of the cytoskeleton?
helps a cell keep its shape
helps make proteins
surrounds the cell
contains DNA
13
Which structure makes proteins using coded instructions that come from the nucleus?
ribosome
Golgi apparatus
vacuole
mitochondrion
14
The Statement a worm is 2 Centimeters long is a(n)
inference
hypothosis
observation
theory
15
Looking at a cell under a microscope, you note that it is a prokaryote. how do you know?
The cell lacks cytoplasm
The cell lacks a cell membrane.
The cell lacks genetic Material
The cell lacks a nucleus
16
To be useful in science a hypothesis must be
testable
measurable
observable
correct
17
A Turkey has 84 chromosomes. How many daughter cells will a Turkey skin cell make?
2
84
42
168
18
Which of the following pass high energy electrons to the electron transport chain?
ATP and ADP
Citric acid
acetyl-CoA
NADH and FADH
19
Unlike sexual reproduction, asexual reproduction involves
one nonliving thing
one parent
two cells
two parents
20
what happens during photosynthesis?
Autotrophs consume carbohydrates
Heterotrophs produce ATP
Heterotrophs consume ATP
Autotrophs produce carbohydrates
21
A scientific theory is ....
a conclusion to an experiment
the first step in a controlled experment
a well tested explanation; unifies a range of observations
the same as a hypothesis
22
A well tested explanation that explains a lot of observations is
a theory
a hypothesis
a law
a controlled experiment
23
Aerobic cellular respiration uses 1 molecule of glucose to produce approximately
4 ATP
2 ATP
32 ATP
36 ATP
24
Which of the following is NOT a Characteristic of all living things?
ability to breath
response to the environment
ability to reproduce
growth and delevlopment
25
Put in the order simplest to most complex
organ system, organ, tissue, cell
cell, tissue, organ system organ
cell, tissue, organ, organ system
tissue, organ, organ system, cell
26
Biology is the study of
biospheres
animals
life
cells
27
The Krebs cycle produces
glucose
lactic acid
carbon dioxide
oxygen
28
The two main types of fermentation are called
aerobic and anaerobic
alcoholic and lactic acid
alcoholic and aerobic
lactic acid and anaerobic
29
organisms that cannot make their own food and must obtain energy from external sources are
Autotrophs
heterotrophs
30
Only plant cells have
all are correct
central vacuole
cell wall
Chloroplasts
31
The Starting molecule for glycolysis is
ADP
Pyruvic acid
glucose
co2
32
Which organelle breaks down organelles that are no longer useful?
endoplasmic reticulm
lysosome
mitochondrion
Golgi apparatus
33
Which of the following is the chemical formula for photosynthesis?
glycolysis+krebs=Electron Transport
oxygen+water+light = glucose+carbon dioxide
Krebs+Glycolysis=Electron transport
carbon dioxide+water+light=glucose+oxygen
34
Which means of particle transport requires input of energy from the cell?
active transport
facilitated diffusion
osmosis
diffusion
35
Cancer cells are created due to a problem of
cell division
osmosis of the brain
meiosis of the liver
meiosis
36
Where in the chloroplast is chlorophyll found?
in the ATP
in the thylakoid space
in the stroma
in the thylakoid membrane
37
When during the cell cycle are chromosomes visible?
only during telephase
only during cell division
only during interphase
only during the g one phase
38
In the absence of oxygen, glycolysis is followed by
the electron transport chain
photosynthesis
fermentation
the krebs cycle
39
Organisms that make their own food are called
Autotrophs
heterotrophs
40
An organ system is a group of organs that...
work together to perform a specific funtion
are made up similar tissues
are made of similar cells
work together to perform all the functions in a organism
