What is the function of the chloroplasts?

Light reactions occur on the membranes of the thylakoids., The Calvin cycle takes place in the stroma of chloroplast.

What is the purpose of photosynthesis?

For plants to produce their own nutrition

What limits the size of a cell?

The need to pass gases and nutrients in and out of the cell.

What happens inside the Golgi body?

Protiens are modified, Particles move through

What is the difference between Ribosomes and Lysosomes?

Lysosomes break and ribosomes make proteins

The modified protiens from the Golgi body do what next?

Get exported and used exteriorally, Get exported and used interiorally

What do the lines on this graph show?

Red: reaction without enzymes Blue: reaction with enzymes

What is the base pairing rule? (A=adenine C=cytosine T=thymine G=guanine)

G with C, A with T, C with G, T with A

How would high temperatures or an extreme pH affect enzyme activity?

Denature enzymes, meaning substrate no longer fits.

What organelle, known as the powerhouse of the cell, does respiration occur in?

Mitochondria, Mitochondria, Mitochondria

Enzymes increase reaction rate by?

changing the orientation of reactants, lowering the activation energy, increasing the likelihood of reactants meeting

This is the end. We have come so far together. What did you learn?

That i am going to fail biology, nufin, cos i are stewpid

How do cells reproduce?

ALL OF THE ABOVE!!, Meiosis, LOL! 69 ;), Mitosis

What does temperature do to an enzyme that causes it to denature?

changes the shape of the active site

Match the letters to the labels on this diagram of a mitochondria:

A: Outer membrane B: inner membrane (cristae) C: matrix

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Life processes at a cellular level

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Questions 79

Answers

1
What is the function of the chloroplasts?
Light reactions occur on the membranes of the thylakoids.
The Calvin cycle takes place in the stroma of chloroplast.
Known as the powerhouse of the cell
2
Where does DNA replication occur in a Eukaryota cell?
Cytoplasm
Ribosome
Nucleus
MItochondria
3
Main difference between active cell transport and passive cell transport?
No difference
Passive requires energy
Active requires energy
4
What is the largest single cell?
Skin cell
Blood cell
Sperm
Ovum
5
Body tissue is made up of many smaller?
nucleotides
Carbohydrates
atoms
proteins
6
Which enzyme joins together Okazaki Fragments?
primase
DNA ligase
helicase
DNA polymerase
7
How many cells are produced from mitosis?
8
2
At least 50
4
8
What is the purpose of photosynthesis?
For plants to produce their own nutrition
For plants to produce their own chlorophyll
For animals to produce their own nutrition
For plants to produce their own CO2
9
What is/are all the limiting factor(s) that belong(s) on the x axis of this graph?
light
pH, temperature
temperature
CO2, light, water
10
What limits the size of a cell?
The need to move water out of the cell.
The need to move around of body more efficiently.
We consume too much high carbohydrate food products.
The need to pass gases and nutrients in and out of the cell.
11
What happens inside the Golgi body?
All of the above
Cell replication
Protiens are modified
Particles move through
12
What is the difference between Ribosomes and Lysosomes?
EVERYTHING! ALL THE DIFFERENCE
Ribosomes Break and Lysosomes make proteins
Lysosomes break and ribosomes make proteins
Nothing. They're both the same
13
What sort of variation can produce new alleles?
Crossing over
Independent assortment
Mutation
14
What are the reactants in the process of photosynthesis?
Oxygen and sugar
Oxygen and water
Carbon dioxide sugar
Carbon dioxide and water
15
What part of the chloroplast does the Calvin Cycle take place?
Inner membrane
Stroma
Outer membrane
Thylakoid
16
The separation of the two single strands of DNA creates a ‘Y’ shape called a _______________
replication fork
new strands
leading strand
two strands
17
Which type of cell division results in greater variation?
Why not both?
Mytoesareroses
Mitosis
Meiosis
18
Active cell transport does not require energy. True or false?
False
True
19
In addition to supplying cellular energy, ______ are also involved in cellular death
Nucleus
Lysosomes
Mitochondria
Ribosomes
20
Okazaki fragments are short DNA fragments that are formed where, during DNA replication.
leading strand
lagging strand
new strand
original strand
21
Which cell process will move substances against a concentration gradient?
Diffusion
Facilitated Diffusion
Active Transport
Osmosis
22
The modified protiens from the Golgi body do what next?
Do a happy dance
Get exported and used exteriorally
Get checked by ribisomes
Get exported and used interiorally
23
Plasma membrane is composed of a :
enzyme
lipid bilayer
phospholipid bilayer
protein
24
Lysosomes are also known as...
Death bags
Fabulous bags
Suicide bags
Bags of life
25
What do the lines on this graph show?
Red: reaction in acid Blue: reaction in base
Red: reaction with enzymes Blue: reaction without enzymes
Red: reaction in base Blue: reaction in acid
Red: reaction without enzymes Blue: reaction with enzymes
26
What is the base pairing rule? (A=adenine C=cytosine T=thymine G=guanine)
A with C, T with G
G with C, A with T
A with G, T with C
C with G, T with A
27
What organelle (pictured below) do plant cells have that animal cells do not?
Cell wall
Chlorophyll
Vacuole
Chloroplasts
28
How would high temperatures or an extreme pH affect enzyme activity?
Kills enzyme, meaning substrate no longer fits.
Denature enzymes, meaning any substrate can join
Business as normal for the enzymes
Denature enzymes, meaning substrate no longer fits.
29
What organelle, known as the powerhouse of the cell, does respiration occur in?
Not the mitochondria
Mitochondria
Mitochondria
Mitochondria
30
Lysosomes contain...
waste prouducts
pizza
digestive enzymes
Water
31
What enzyme is responsible for unzipping DNA in order to open it up?
primase
ligase
helicase
DNA polymerase
32
Enzymes increase reaction rate by?
changing the orientation of reactants
removing excess fluid from reactants
lowering the activation energy
increasing the likelihood of reactants meeting
33
What is the purpose of DNA replication?
Produce two identical replicas from one original molecule
Rapid and accurate way of duplicating cells.
Allow cells to divide
All of the above
34
What model of enzyme action is this called?
Perfect fit
Lock and key
Induced fit
Active enzyme
35
Which of these occurs in both aerobic respiration and in anaerobic respiration?
Electron transport chain
Krebs cycle
Glycolisis
Transpiration
36
The plasma membrane is impermeable to all molecules except :
urea
K+
ATP
glucose
37
What is the powerhouse of the cell?
Ribosomes
Nucleus
Cell membrane
Mitochondria
38
What is the concentration gradient of active cell transport?
Low to Low
High to Low
Low to High
High to High
39
This is the end. We have come so far together. What did you learn?
That i am going to fail biology
nufin, cos i are stewpid
Plenty thanks, I'm sure this will help.
Nothing, because I know everything already.
40
Golgi bodies look like what food?
Pineapple
Pancakes
Pizza
Potatoes
41
How much ATP is produced per glucose molecule in aerobic (A) and anaerobic (B) respiration
Aerobic: 36 Anaerobic: 2
Aerobic:4 Anaerobic: 28
Aerobic: 24 Anaerobic: 4
Aerobic: 2 Anaerobic: 36
42
How do cells reproduce?
ALL OF THE ABOVE!!
Meiosis
LOL! 69 ;)
Mitosis
43
Where does photosynthesis occur?
Nucleus
Mitochondria
Lysosomes
Chloroplasts
44
What does temperature do to an enzyme that causes it to denature?
changes the shape of the active site
forces it to work so hard that it renegs.
Prevents it from binding with a substrate
Becomes a toxic inhibitor
45
How many ATP moelcules does aerobic respiration produce?
4
2
32
20
46
Why does a photosynthesis/temperature graph look like this?
the plant loses too much water due to the heat
Enzymes die
Enzymes denature
cells expand in heat and burst
47
Which of these doesn't affect the rate of mitosis?
Well they all do don't they?
Temperature
pH
Presence of mutagens
48
In which part of the chloroplast does the light dependent reaction occur?
Stroma
Outer membrane
Inner membrane
Thylakiod
49
what is an organelle found in large numbers in most cells in which respiration occur
Cell wall
Chloroplasts
Nucleus
Mitochondria
50
Cells can increase their SA:V ratio by having what?
Folding in the cell membrane
A biconcave shape
Any of the above
An elongated shape
51
Match the letters to the labels on this diagram of a mitochondria:
A: Cristae B: membrane C: cytoplasm
A: Outer membrane B: inner membrane (cristae) C: matrix
A: Outer membrane B: vacuole C: cytoplasm
52
Enzymes are?
Used to carry oxygen
only used in anabolic reactions
only found in living things
biological catalysts
53
Which sort of cell division is used to produce gametes (eggs and sperm)?
Meiosis
Fission
Mitosis
54
What other factors are required for photosynthesis to occur?
Chlorophyll and ATP
Chlorophyll and Leaves
Leaves and Sunlight
Chlorophyll and Sunlight
55
In double stranded DNA how do the four bases (C,A,T,G) pair up with each other.
(C+T) (A+G)
(C+T) (A+A) (G+G)
(A+T) (G+C)
(A+T) (C+C) (G+G)
56
A phospholipid has :
a phosphate group in place of a carbon in glycerol
phosphate groups in place of three fatty acids
phosphate groups in place of two fatty acids
a phosphate group in place of one fatty acid
57
Which one of these does not affect the rate of reaction of an enzyme?
pH
Temperature
Having to much substrate
Surface area
58
Lysosomes...
Breakdown damaged&unwanted parts of the cell and food
Are formed by the golgi body
All of the above
Contain enzymes
59
Limiting factors of photosynthesis include light, CO₂and water availability. What are 2 more?
pH, temperature
respiration rate, temperature
pH, oxygen concentration
Temperature, oxygen concentration
60
What has a double membrane and the inside folded inwards to form cristae
Chloroplasts
Lysosomes
Nucleus
Mitochondria
61
When is mitosis not necessarily increased?
Its increased for all of them
When the organism is getting a lot of action (needs gametes)
During times of growth
During cellular repair
62
The methods of membrane transport that don't require protein channels or carriers are :
osmosis and diffusion
all of the above
phagocytosis
exocytosis
63
Phospholipid molecules is :
hydrophobic
hydrophilic
depends on the surrounding medium
hydrophobic and hydrophilic
64
What is the balanced equation for photosynthesis?
6CO2 + 6H2O --> C6H12O6 + 6O2
None of the above.
CO2 + H2O --> C6H12O6 + CO2
3CO2 + 3H2O --> C6H12O6 + 3CO2
65
Nucleotides are added in the (A) direction. (B) is copied directly, (C) is built in sections
A: 5' to 3' B: lagging strand C: leading strand
A: 5' to 3' B: discontinuous strand C: continuous strand
A: 3' to 5' B: leading strand C) lagging strand
A: 3' to 5' B: continuous strand C: discontinuous strand
66
A protein polymer is made up of monomers called?
metabolic
nucleotides
catalysis
amino acids
67
What provides the surface area needed for respiration to take place?
The Endoplasmic Reticulum
Grana in the Chloroplasts
The Matrix in the Mitochondira
Cristae in the Mitochondria
68
Do lysosomes fuse with vacuoles?
PIE
I DON'T KNOW
YES
I DON'T KNOW
69
What are the reactants (R) and products (P) of respiration?
R: sugar, oxygen P: carbon dioxide, water, (ATP)
R: carbon dioxide, water, (energy) P: sugar, oxygen
R: sugar, water P: carbon dioxide, oxygen, (ATP)
R: Cheese P: happieness
70
During active cell transport do particles move WITH or AGAINST the concentration gradient?
Against
With
71
Pick the answer where the letters are matched to the correct labels: (the purple is protein)
A: Passive transport B: active transport
A: active transport B: passive transport
A: diffusive transport B: energized transport
A: energized transport B: diffusive transport
72
When biochemical energy is converted into usable energy (ATP) and waste is released in plants:
Osmosis
Photosynthesis
Aerobic respiration (and it aint only plants)
Excretion
73
What even are lysosomes?
Small membrane-bound sacs
Another name for ribosomes
Thingies?
Pancakes
74
enzymes are made of?
Carbohydrates
Sulfate, hydrogen and phosphorus
Protein
Fats and amino acids
75
How many golgi bodies do most Eukaryotes have?
Maybe 568
2
One
About 9
76
What do inhibitors (enzyme poisons) do to enzymes? (also, who the hell is that guy?!)
Kill them
Occupy the active site in place of a substrate
Denature them
77
The appearance of Golgi bodies is often compared to...
The Endoplasmic Reticulium
The E.R
The Neucleus
The Ribosomes
78
What is the main purpose of lysosomes?
To pick up ladies
To produce energy
To look pretty
Tobreakdown food and unwanted particles
79
What does it mean if DNA replication is considered semi-conservative?
The conservative party semi-agrees.
Half of the parent strand is used in each daughter strand.
None of the original strand is used in the new strands.
The original strand is kept and copied to produce a new one.

Life processes at a cellular level Flashcards | StudBud