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Midterm review water, scientific method, graphing, cell organelles, microscopes, SA:V ratio Flashcards | StudBud
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Midterm review water, scientific method, graphing, cell organelles, microscopes, SA:V ratio
Midterm review water, scientific method, graphing, cell organelles, microscopes, SA:V ratio
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1
Which property of water accounts for water's ability to moderate temperature?
high specific heat
universal solvent
adhesion
hydrogen bonds
2
Which organelle serves like a post office (sorts, modifies & repackages items)?
golgi
centrioles
smooth ER
rough ER
3
If Sue runs 5 miles/week, then her speed will be 10% faster. What is the dependent variable?
running 5x/week
Sue
not listed in hypothesis
speed 10% faster
4
If you graphed your height from 1st grade to 9th grade, what graph would you use?
scatter plot
bar
pie
line
5
Which step of the scientific method comes after conducting the experiment?
communicating results
analyzing results
observations
inference
6
Which organelle would you expect to find in a plant cell but not an animal cell?
chloroplast
smooth endoplasmic reticulum
mitochondria
ribosome
7
What is wrong with this graph?
no key
all of the above
no label on X axis
no units on Y axis
8
What conclusions can you draw about the cell below?
it's prokaryotic because it has a nucleus
it's prokaryotic because it does NOT have a nucleus
it's eukaryotic because of the nucleus
it's eukaryotic because it does NOT have a nucleus
9
Which of the following statements about the nucleus is NOT true?
nucleus is the site of protein assembly
nucleus is surrounded by a nuclear envelop
nucleus contains a nucleolus where ribosomes are made
nucleus stores the coded instructions for making proteins
10
Which structures are involved in cell movement?
microtubules and microfilaments
nucleolus and nucleus
chromosomes
cytoplasm and ribosomes
11
What is the relationship between the nucleus and the cytoplasm?
nucleus is a fluid & it mixes with the fluid cytoplasm
cytoplasm is a fluid that fills the inside of the nucleus
nucleus is an organelle that is surrounded by the cytoplasm
cytoplasm is an organelle that is found near the nucleus
12
The independent variable is the variable that
stays the same throughout the experiment
is purposefully changed/manipulated
is measured at the end of the experiment
is kept constant
13
Which of the following is a function of the cytoskeleton?
surrounds the cell
helps make proteins
helps a cell keep it's shape
contains DNA
14
Which item would NOT be found in a plant cell?
cytoplasm
golgi apparatus
mitochondria
centriole
15
Which of the following breaks down organelles that are no longer useful?
lysosome
mitochondria
endoplasmic reticulum
golgi
16
What should you do before drafting a hypothesis?
collect data
analyze results
conduct an experiment
observe & make inferences
17
A hypothesis needs to have what items?
independent variable & dependent variable
control group & dependent variable
If/then statement, independent variable & dependent variable
constants, controls & If/then statement
18
Which of the following structures serves as the cell's boundary from it's environment?
cell membrane
mitochondria
chloroplast
channel protein
19
The dependent variable goes on what axis & needs what information?
Y-axis; needs title
Y-axis; needs label & units
X-axis; needs units
X-axis; needs origiin
20
What would NOT be found in a bacterial cell?
ribosomes
lysosomes
genetic material
plasma membrane
21
The oxygen in a water molecule has
a partial negative charge
a positive charge
a negative charge
a partial positive charge
22
The independent variable goes on what axis?
X
Y
Z
Oz
23
Surface tension of water is due to
adhesion
cohesion
none of the above
unique phase characteristics
24
What is wrong with this graph?
scale is off
no units on Y axis
all of the above
no label on Y axis
25
Which organelle is involved in cell division?
centrioles
mitochondria
rough ER
smooth ER
26
Which structure makes proteins using coded instructions that come from the nucleus?
golgi
vacuole
ribosome
mitochondria
27
Which of the following is a function of the nucleus?
builds proteins
stores sugars
stores DNA
packages proteins
28
What is wrong with this graph?
no units on X axis
all of the above
no units on Y axis
no title
29
Why does a meniscus form in a graduated cylinder (like the picture shown)?
universal solvent
adhesion
cohesion
buffer
30
Which organelle synthesizes lipids/hormones & detoxifies
golgi
rough ER
smooth ER
lysosomes
31
Animal cells have all of the following except:
cilia
flagella
central vacuole
centrioles
32
Item labeled 12 functions to
improves the resolution
hold slide in place
magnifies 10x
raise/lower stage
33
As a cell gets larger, it's SA:V ratio
increases
decreases
none of the above
stays the same
34
When would you use a bar graph?
when comparing groups
when calculating averages
none of the above
when tracking information over time
35
Which organelle stores water, waste & hormones?
mitochondria
vacuole
cytoplasm
chloroplast
36
A large cell would have a ____ SA:V ratio & be _________.
large; efficient
large; inefficient
small; inefficient
small; efficient
37
Item labeled 9 functions to
magnify 10x
magnify 100x
magnify 4x
magnify 1x
38
The item labeled 1 is the
revolving nosepiece
body tube
objective lens
ocular lens
39
This bond is found between water molecules.
hydrogen
polar covalent
ionic
nonpolar covalent
40
What are the constants in an experiment?
items that are kept the same throughout the experiment
items that are purposefully changed
items that the control group gets
items that related to the dependent variable
