Biology
In glycolysis,
4ADP are produced
Visible light occupies what part of the electromagnetic spectrum?
A small portion in the middle
Carbon dioxide fixation if the Calvin Cycle require
ATP and NADPH
In the light reaction ______ is produced
ATP and NADPH
The Calvin Cycle uses _____, which are products of the light reactions of photosynthesis
ATP and NADPH
An enzyme
All of the above
When a signal molecule binds to a receptor protein, the receptor protein may
All of the above
Which type of molecule is found in the cell membrane?
All of the above
If no oxygen is available accept electrons during aerobic respiration
All the above
In the figure below, the reactions of the electron transport chains occur in the structure labeled
C
Polysaccharides are
Carbohydrates
Which of the following is one difference between prokaryotes and eukaryotes?
Eukaryotes contain mitochondria
Ridding the cell of materials by discharging the materials in vesicles is called
Information is sent into the cell
A chemical formula shows the
Kinds of bonds found in the molecule
Photosynthesis light reaction occurs
On the thylakoid membrane
Ionic bonds form between atoms and molecules that have
Opposite charges
Which of the following environmental factors does NOT directly influence the rate of photosynthesis
Oxygen concentration
3CO2 + 3H2O -----> C3H6O3 + 3O2 This equation summarizes the overall process of
Photosynthesis
Due to the polarity of water compounds that dissolve best in water contain
Polar bonds
A molecule that has a partial charge on one side and a partial negative charge on the other side is called a
Polar molecule
The interior portion of a cell membrane forms a nonpolar zone that
Prevents ions and most large molecules from passing through the membrane
The colors of light that are most effective for photosynthesis are
Red, blue, and violet
The structures labeled A are
Ribosomes
The Calvin cycle begins by the attachment of CO2 to which off the following?
RuBP
The Calvin Cycle takes place in the ____ of chloroplasts.
Stroma
The molecule on which an enzyme acts is called a(n)
Substrate
Which of the following correctly sequences the flow of energy?
Sun, grass, rabbit, fox
The structure labeled B is
The endoplasmic reticulum
The Calvin Cycle functions to construct carbohydrates from carbon dioxide. Correct answer:
True
The structure labeled D is a(n)
Vesicle
Hydrogen ions, H+, react with hydroxide ions, OH-, to form
Water
The source of oxygen produced during photosynthesis is
Water
Which of the following conditions affects the function of enzymes?
all of the above
An example of a prokaryotic cell is a(n)
bacterium
Refer to the illustration above. Which cell is most likely to lose both water molecules and dissolved particles as the system approaches equilibrium?
cell D
C6H12O6---->6CO2+6H2O+energy
cellular respiration
Refer to the illustration above. In this system, dissolved particles in cell B are most likely to
diffuse into cell A
Refer to the illustration above. The process shown is called
diffusion
Molecules that are too large to be moved through the membrane can be transported into the cell by
endocytosis
Refer to the illustration above. In this system, water molecules are most likely to diffuse in which direction?
from C to A
The role of oxygen in respiration if found
in the electron transport chain
Reducing activation energy
is accomplished by the action of catalysts on reactants
Acidic solutions have a pH that is
less than 7
Which of the following types of microscopes can be used to view living specimens?
light microscope
A cell's digestive enzymes are stored in
lysosomes
The nucleus of a cell contains all of the following EXCEPT
mitochondria
Sharing of electrons in the outer energy levels of two atoms
occurs in covalent bonds
Aerobic respiration follows glycolysis when___ is available
oxygen
Long chains of amino acids are found in
proteins
Signal molecules bind to
receptor proteins
Which of the following is a carbohydrate
sucrose
The first step in photosynthesis is
the splitting of water
Carotenoids are pigments that
trap light chlorophyll cannot