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cell bio lecture notes exam 1
What else did Leeuwenhoek study first?
euchromatin stains lighter
cell bio lecture notes exam 1
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1
euchromatin stains lighter
False
True
2
What else did Leeuwenhoek study first?
plant cells
human sperm
human eggs
ztgotes
3
what does euchromatin mean
the dead stuff
the living stuff
the bad stuff
the good stuff
4
hemochromatin is the stuff that the cell isn't using at that time
True
False
5
not much happened in the discovery of cells for a while after the basics were seen. Why?
lack of resources
technology lagging
nobody knew where to start
transportation issues
6
when cells go where they aren't supposed to, we get sick
True
False
7
lysosomes are more abundant in some organisms than others
False
True
8
what are the two types of hemochromatin?
facultative
constitutive
faculty
constituous
9
what are two facts about euchromatin (2 correct)
it is the stuff the cell is not using
it is less condensed
it is the stuff the cell is using
it is more condensed
10
_____ formulated the chromosomal theory of diversity
hooke
mendel
sutton
flemming
11
_____ protein makes for _____ lysosomes and vise versa
less, more
more, less
more, more
less, less
12
who said alcoholic fermentation is catalyzed by non-living ferments?
buschner
von liebig
pasteur
wohler
13
euchromatin is gene ____ and gene _____
poor, expressing
rich, expressing
poor, dormant
rich, dormant
14
the rough er and the smooth er are continuous with each other
True
False
15
hemochromatin is more or less condensed than euchromatin?
the same
more
less
wut
16
What else did hook study under the microscope?
lice
both fleas and lice
fleas
tics and fleas
17
what does resolution help do?
makes the object brighter
makes things smaller
help distinguish two items that may look conjoined
make an object clearer
18
where are photosynthetic cells for bacteria?
the membrane
protoplast
cell wall
cytoplasm
19
the capsule is under the cell wall
True
False
20
as embryos, our cells never move around, they just develop
False
True
21
the nucleus is enclosed in a nuclear envelope
False
True
22
what is a purpose for the cell wall?
to help the cell take in water
to help the cell expand for a lot of water
to keep the cell from exploding if the cell takes in water
23
when Hook started studying, what material did he study a slice of and what did he see?
dead cells, squares of old cells
cork, holes as if a worm had been in them
cork, chambers like monk ones
dead cells, holes in them
24
something soft like liver was not a good resource for studying tissue
True
False
25
a _____ is when you partially remove the wall, while a _____ is when you take the whole wall off
spheroplast, spheroplast
protoplast, spheroplast
protoplast, protoplast
spheroplast, protoplast
26
who discovered DNA?
von liebig
mendel
Miescher
buscher
27
what is cytology?
the study of life
the study of cells and cell structure
the study of cells after death
the study of cell walls
28
what happens with telomeres when it comes to cancer?
they grow but polymerase shrinks them
they grow
they don't shrink
they shrink but polymerase renews
29
Hook visited Leeuwenhoek when Leeuwenhoek was working between 1665 and 1675
True
False
30
who said yeasts can be dead and their extracts will work (which made the vitalists very unhappy)
buschner
pasteur
von liebig
wohler
31
what was the first membrane bound organelle seen?
nucleus
membrane
cytoplasm
mitochondria
32
what does the nucleus have eight of that helps move stuff in and out
pores (about 1/3 of the surface)
micro tubules (about 1/3 of the surface)
tubes (about 1/3 of the surface)
33
Hook was totally chill and not a hypochondriac
False
True
34
people and bacteria are good at adapting to many environments while archaea suck at it
True
False
35
Virchow said that every cell derives from a preexisting cell
True
False
36
hydrolysis is removing water from a compound to break it down
False
True
37
hemochromatin stains darker
True
False
38
cells get energy from their environment from ____/____ using _____ machinery
water, dark, dirt
light, water, metabolic
water, metabolic, no
light, food, metabolic
39
dutrochet said that growth is the result of increases in ______ or _____ or both
cell width, length
cell size, number
cell number, colonies
40
the cell wall can change composition
False
True
41
with every replication, do the telomeres on the end of the chromosomes get smaller or larger?
smaller
larger
they don't change size
42
who synthesized urea and said organic chemicals were not a mystery anymore
pasteur
wohler
von liebig
buschner
43
what is a lysosome
organelles that contain hydrophylic protein
organelles that contain neutral protein
storage organelles
organelles that contain hydrolytic protein
44
bacteria have a _____ for protection, aka a _____
capsule, shield
sheath, capsule
sheath, shield
shell, capsule
45
what is a karyotype
a chart of your chromosome pairs
the number of chromosomes you have
the chromosomes that determine sex
your genes
46
pilli means what
motion
protein
strings
hair
47
of the three men who discovered cell theory, which one was the hype man that did all the talking?
virchow
schleiden
brown
schwaan
48
before virchow came, cells were only considered structural
True
False
49
do bacteria have a cell membrane?
yyyyyyuuuuuppppp
eh
noooooooooo
idk
50
empty magnification is when you resolve something more than you can magnify it
False
True
51
the nuclear envelope is _________ the rough er
continuous with
not connected to
the same as
connected to
52
what does the cell membrane do?
control what goes in and comes out of the cell
storage
creates a food source
make the cell larger or smaller
53
in bacteria, the mesosomes are like the _____ for normal cells
cell wall
spindles
DNA
nucleus membrane
54
cells have shapes that relate to their function
False
True
55
what can protect a cell from stain?
the cell membrane
the capsule
the protoplast
the cell wall
56
gram is a stain
True
False
57
wood has more _____ which makes the cell wall harder
keratin
lignin
cytokinin
chlorophyll
58
what does the cell membrane do for the bacteria?
its a barrier for nutrients and waste
it regulates water
makes DNA
59
what does the golgi do
package and send out proteins
it's for motion of the cell
buys the proteins
eats for the cell
60
what is the cell membrane made of?
a lipid bilayer
a carbohydrate chain
protein strands
a phosphate bilayer
61
the chambers of the cork were what?
worm holes
dead cell remains
living cells
air bubbles
62
what is another name for the cell membrane?
plasma membrane
plasma wall
cytoplasm
cell wall
63
Flemming identified chromosomes
True
False
64
can cells exist independently?
nope
wut
whats a cell
yup
65
who said that living yeasts were needed for fermentation and made vitalists happy?
wohler
von liebig
pasteur
buschner
66
what does the eu in eukaryote mean?
ugly
idk
bad
good
67
which dude had the ugly weird microscope that had to be held up to the sun to use?
Leeuwenhoek
Hook
68
cells don't really vary in size
True
False
69
blood cells have shrinking telomeres
False
True
70
roux said chromosomes bear _____ _____
new life
characteristics
genetic info
mutation info
71
the golgi is in plant and animal cells
True
False
72
where are lysosomes found
neither
plant cells
animal cells
both
73
what makes ribosomal rna?
the nucleolus
ribosomes
the cell membrane
the nuclear envelope
74
negative staining is not good for seeing sub-nuclear particles
False
True
75
who killed the idea of spontaneous generation?
wohler
pasteur
buschner
von liebig
76
what are flagellum?
carbohydrate ropes
protein whips for motion
lipid whips for motion
Dna ropes for motion
77
all hemochromatin is always hemochromatin
True
False
78
constitutive hemochromatin is largely structural
True
False
79
cell biology really started in _____ with ______ _____ studying it
1623, Einstein
1665, robert hook
1765, jonh eisenhower
1972, james bond
80
who done did be considered the best darn tootin cell biologist in the whole wide world?
Doug Dimmadome, owner of the Dimmsdale Dimmadome!
charles darwin
edmund wilson
the guy with the last name hook
81
when did cytology start?
1700s
1900s
1800s
1600s
82
_____ figured out that plants are aggregates of cells
james
hook
mendel
dutrochet
83
mesosomes are...
the inner foldings of the rough ER
the inner foldings of the smooth ER
the parts of the cell wall
the inner foldings of a membrane
84
the cell membrane lets the cell's contents roam freely
True
False
85
how do cells know how to synthesize structures?
they use genes as a blueprint
they use chromosomes
they just do it
they get told by the mitochondria
86
if a cell lacks a nucleolus it will still live a long time
False
True
87
who figured out that that each cell had structure and also discovered the nucleus?
dutrochet
robert brown
robert hook
darwin
88
what does the kary in eukaryote mean
Dna
nucleus
kerri martin
living
89
DNA is a nucleoid
True
False
90
the cell is the basic unit of life but can't live on its own
False
True
91
what does the cell wall do?
regulates what comes in and out
brings structure to the cell
photosynthesis
deals with food intake
92
what was something (correct) that all three men agreed on?
organisms can be less than a cell
organisms must be more than one cell
organisms are made up of one or more cells
organisms can spontaneously generate
93
___________ can rebuild telomeres in embryonic cells
polymerase
dnase
catalase
amylase
94
red blood cells can live up to like 3 months sometimes
True
False
95
who was the first person to describe living cells?
Antonie van Leeuwenhoek
Theodor schwann
Matthias jakob schleiden
Robert hook
96
monk chambers are called cellulae, so hook named them that and we shorten it to cells
False
True
97
the cytoplast is what is left after the cell wall is removed
True
False
98
which two facts are true about hemochromatin (two answers are correct)
it is gene rich
it is the stuff the cell is using
it is poor in genes
it has silenced genes
99
hook helped rebuild Europe after it burned
False
True
100
the golgi is folded, but how many times
makes about 8-9 stacks per structure
makes about 7-9 stacks a structure
makes 6-7 stacks per structure
