In which cellular organelle does the following reaction take place?
6CO2 + 6H2O -> C6H12O6 + 6O2
Chloroplast
100
Allows certain materials to enter and exit the cell
Cell membrane
100
In osmosis, water always moves from _____ to _____
Water always moves from high concentration to low concentration
Osmosis is passive transport
100
The human stomach is an acidic environment. If the numbers below represent optimum pH for each of the following enzymes, which one most likely functions in the stomach?
a) 3
b) 7
c) 9
d) 14
a) 3
Anything less than 7 is an acid!
200
Amino acids are the building block for which macromolecule?
Protein
200
Name the overall process that results in the production of ATP
Cellular respiration
200
Makes proteins
Ribosome
200
The sodium potassium pump is an example of...
Active transport (moves from low to high concentration)
200
Shannon thinks that the color of light will affect the growth of pea plants. She set up two experiments – Group A: plants are placed under white light (representing the sun) and Group B: plants are placed under blue light. Every 3 days for a month she measured the height of the plants to see if they have grown and places her data in her data table. What is the independent variable?
The color of light
300
Fats, oils, and waxes are all examples of...
Lipids
300
The following are the products. Name the process AND the reactants...
CO2 + H2O
Cellular respiration
Reactants:
Glucose and O2
300
Gives the cell a rigid structure
Cell wall
300
A red blood cell is placed in distilled water. List the following:
1. What type of solution is the cell in? (hypotonic, hypertonic, isotonic)
2. What can be expected to happen next?
1. hypotonic
2. Osmosis will cause water to move into the cell, causing the cell to swell and possibly burst.
300
What property of water uses both cohesion and adhesion?
Capillary action
400
This is the indicator solution that tests for monosaccharides.
a) Bromthymol blue
b) Benedict's solution
c) Sudan III
d) Iodine
b) Benedict's solution
400
The ________ of photosynthesis are the _________ of cellular respiration
The products of photosynthesis are the reactants (starting materials) of cellular respiration.
400
Digests bacteria and worn out cell parts
Lysosome
400
Water moves out of the cell, causing it to shrivel.
Hypertonic
400
What type of cells are produced from meiosis?
Gametes (haploid, 4 unique cells)
500
When heated, Benedict's solution will turn what color in the presence of glucose?
a) blue
b) green
c) yellow
d) red-orange
d) red-orange
500
Bacteria that live near deep ocean vents and produce food using inorganic compounds make use of what process?
Chemosynthesis
500
Produces energy (ATP)
Mitochondria
500
In circulatory system, a large part of the fluid is water. For example, human blood plasma is approximately 90% water. What property of water makes it an ideal material for transporting necessary chemical substances?
Universal solvent
500
Describe the role of enzymes in chemical reactions
Enzymes speed up chemical reactions by lowering activation energy