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Duplicate of Biology MIDTERM Flashcards | StudBud
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Duplicate of Biology MIDTERM
Duplicate of Biology MIDTERM
38 terms
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scientific method, photosynthesis, energy synthesis, cellular respiration, macromolecules
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1
What structure manages the overall functions of a eukaryotic cell?
chloroplast
mitochondria
nucleus
vacuole
2
What is the primary function of a lipid macromolecule?
Store energy
all of these
Make up cell membranes
Insulate
3
What type of cell (prokaryote or eukaryote) has organelles like Golgi apparatus)?
eukaryote
prokaryote
4
The broad, flat structure of the leaves of most plants makes them well adapted to ________
Absorb oxygen used in photosynthetic reactions
multiply via binary fission
conduct meiosis
Absorb sunlight used in photosynthetic reactions
5
How do enzymes find their substrates?
a definite 3-D shape
GPS
it listens very carefully
magnets
6
What is it called when the rbc cells shrink up because material is leaving the cell?
hypotonic
hypertonic
isotonic
swollen
7
List two organelles that you would find in a plant cell but NOT an animal cell.
cell wall & chloroplast
mitochondria & chloroplast
cell wall & chromosome
cell wall and nucleolus
8
The sex chromosomes for a normal female fruit fly or human
XX
XXY
YY
XY
9
A dog’s liver has 70 chromosomes. How many chromosomes would you expect in the dog’s gametes?
45
70
25
35
10
Particles that are too large to go out of a cell through protein channels in the cell membrane
crenate
cytokinesis
endocytosis
exocytosis
11
What is the diffusion of water through a cell membrane called -----
facilitated diffusion
osmosis
active transport
water running
12
What ingredients (raw materials) are used by green plants for photosynthesis?
carbon dioxide & water
oxgen and water
carbon dioxide & hyrogen
carbon dioxide & carbon monoxide
13
Which macromolecules make up the plasma membrane of plant and animal cells?
lipids & proteins
proteins and nucleic acids
carbohydrates & proteins
lipids & carbohydrates
14
What is hydrolysis?
The process where monosaccharides split apart using water
The process where polysaccharides split apart using water
The process where dissaccharides split apart using water
15
The failure of chromosomes to separate properly is called _____
junction
cros-over
nondisjunction
disjunction
16
What type of solution is it when the red blood cells swell because the flow is into the cells?
isotonic
hypertonic
hypotonic
lysed
17
What is a product?
an answer to a math problem
something you make
something you buy from Amazon
Substances that are produced by a chemical reaction
18
An experiment on whether temperature effects heart rate, what is the dependent variable?
temperature
color
pressure
heart rate
19
In what phase do chromosomes line up in a single row along the equator of a cell?
telophase
interphase
metaphase
anaphase
20
The area where the sister chromatids are attached to each other is called the _____.
spindle fibers
centriole
century
centromere
21
What is it called when the flow into and out of a cell is balanced?
hypotonic
hypertonic
lysed
isotonic
22
Which piece of equipment helped to launch the study of life at the cellular level?
electron microscope
light microscope
radio microsocpe
23
What are the “powerhouses” of a cell that releases energy from foods?
microtubule
mitochondria
nucleus
hydrogen bonds
24
An experiment on whether temperature effects heart rate, what is the independent variable?
magnitism
temperature
pressure
heart rate
25
If you are conducting an experiment it is necessary to compare the results with the _________
constant
control
dependent variable
independent variable
26
If the body cell of an organism has 28 chromosomes, its haploid (n) number is ______.
46
23
14
28
27
What makes water cohesive with a high surface temperature and a high boiling point?
its reflection
Its polarity
its magnitude
its non-polarity
28
What are amino acids?
The building blocks of nucleic acids
The building blocks of carbohydrates
The building blocks of proteins
he building blocks of lipids
29
What term is used to describe the division of the cytoplasm and cell organelles?
telophase
anaphase
cytokinesis
prophase
30
Humans have ______ chromosomes in the nucleus of their sex cells.
23
46
64
22
31
Which structures push and pull the chromosomes into place during cell division?
centromeres
chromatid
magnets
spindle fibers
32
What is an example of two-parent reproduction?
binary fission
mitosis
asexual reproduction
sexual reproduction
33
The breakdown of glucose without oxygen is known as _____.
binary fission
carbon cycle
anaerobic
aerobic
34
In what cell organelle does cellular respiration take place?
mitochondria
golgi aparatus
endoplasmic reticulum
chloroplast
35
Milk of magnesium is used to treat “acid stomach”. What do you think the pH might be close to?
7
10
5
2
36
Give an example of data that would be considered qualitative data?
the number of feathers on a peacock
how many eggs peacocks lay
The behavior of peacocks at different climates
how long are peacock feathers
37
Complete the following equation:6CO2 + 6H2O → _________ + 6O2
H2O
C6H12O6 – glucose
C2H12O2
C12H6O<span style="font-size: 13.3333px;">12</span>– glucose
38
What are membrane—bound spaces that store water and other substances within a cell?
chloroplast
nucleus
vacuole
pocket
