Biomolecules
Enzymes
Cell Organelles
Cell Transport
Photosynthesis & Cellular Respiration
100
The monomers that are correctly matched to the biomolecule they build:
a. amino acid-carbohydrate
b. monosaccharide-protein
c. fatty acids-protein
d. nucleotide-nucleic acid
d. nucleotide-nucleic acid
100
What is the purpose of enzymes in living things?
to speed up chemical reactions
100
Identify 3 characteristics that make plant cells different from animal cells:
plant has chloroplast, large vacuole, and cell wall
100
Which organelle is involved in cell transport?
The cell membrane
100
Match the name of the organelle with the cell process:
1. photosynthesis
2. cellular respiration
1. chloroplast
2. mitochondria
200
This biomolecule's primary function is long term energy storage, but is also a major component of cell membranes.
Lipids
200
Enzymes bind with specific molecules called the _____
substrate
200
Which organelles are correctly matched with their functions?
a. lysosome-breaks down old cell parts
nucleus-contains DNA
b. mitochondria-site of photosynthesis
chloroplast-site of cellular respiration
c. ribosome-lets things in and out of the cell
smooth ER- makes proteins
a. lysosome-breaks down old cell parts
nucleus-contains DNA
200
Write 3 true statements about passive transport:
Possible answers:
high to low or down the gradient
no energy/ATP required
included diffusion, facilitated diffusion, and osmosis
200
Which reaction of photosynthesis is shown in the diagram?
Light dependent
300
Proteins are involved with many different functions inside of the cell. A student argues that because of this, proteins need to have a wide variety of structures.
This is made possible by the fact that there are ____ different amino acids that build proteins.
20
300
What are two factors that causes an enzyme to be denatured?
Heat and change in pH
300
Which cell organelle is most directly involved with the bonding of amino acids?
Ribosomes
300
Which cell membrane component is involved in facilitated diffusion?
channel protein
300
What labels go in the boxes IN ORDER from LEFT TO RIGHT?
glycolysis, krebs cycle, electron transport chain
400
Match each type of food with macromolecule it contains:
1. apple 4. pasta
2. steak 5. butter
3. beans 6. oil
1 & 4: carbohydrate
2 & 3 protein
5 & 6: lipid
400
Meat tenderizer contains an enzyme that breaks down meat. If meat is coated with tenderizer and then placed in a refrigerator, how would the enzyme's reaction rate be affected?
it would slow down or decrease
400
Which two organelles would be involved in delivering glucose into the cell and producing energy?
12 (cell membrane allows glucose to enter)
4 (mitochondria-produces energy from glucose)
400
What will happen to a cell if the concentration of a sugar solution is lower outside the cell than inside the cell?
water will move into the cell causing it to swell
400
Which products of photosynthesis are used in the process of cellular respiration?
Oxygen and glucose
500
Proteins are 3D molecules in living things. If two proteins are shaped differently, which TWO statements are also true?
a. they contain different amino acids
b. their amino acids are sequenced differently
c. the proteins will function differently
d. the proteins are found in different types of organisms
e. The proteins will most likely still function normally
b. their amino acids are sequenced differently
c. the proteins will function differently
500
If an enzyme is denatured, which two statements are true?
a. It will only catalyze reactions a few more times
b. It will temporarily change shape
c. Its shape is permanently changed
d. It is in a very cold environment
e. It will not catalyze any additional reactions.
c. Its shape is permanently changed
e. It will not catalyze any additional reactions.
500
Scientists have found that the disease known as Alzheimers is linked to the accumulation of misfolded proteins in cells. These proteins are capable of causing cell and tissue damage. Which two organelles should scientists first investigate to learn more about this buildup of misfolded proteins?
a. golgi apparatus & lysosomes
b. ribosome & mitochondria
c. cell membrane & cell wall
d. mitochondria & lysosomes
a. golgi apparatus & lysosomes
500
If the external environment of a living cell has a greater concentration of salt than the cytoplasm within the cell, how would the tonicity of the EXTERNAL environment be described?
hypertonic
500
Where in the chloroplast is glucose made?
the stroma