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Ch1 Botany
Final
41
Biology
Not Applicable
12/11/2016

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Term
The basic units or monomers of which a protein is composed are
Definition
amino acids.
Term
Which of the following selections has steps of the scientific method in the correct order?
Definition
observation, hypothesis, test, evaluation
Term
What two groups of molecules make up the two main components to the fluid-mosaic model of the biological membrane?
Definition
Phospholipids
Term
Chains of repeating small carbon-based molecules are often used to build much larger molecules. What is the correct general term for these larger molecules?
Definition
Polymers
Term
Which of the following groups of organic molecules are used for quick energy
Definition
Simple carbohydrates
Term
Plants store sugars for short-term energy. The form that they store it in is either linear or slightly branched. This form is called what?
Definition
Starch
Term
Lipid compounds contain primarily carbon and hydrogen. One of their primary functions is in long-term energy storage. The two groups of compounds that perform this function are which of the following?
Definition
Fats and Oils
Term
The sequence of the 20 amino acids which make up a polypeptide is the most important feature of a protein. This characteristic of proteins is called what
Definition
Primary structure
Term
How a single polypeptide interacts with the environment and folds up is called what?
Definition
Tertiary structure
Term
In osmosis, water always moves toward the ____ solution, that is, toward the solution with the ____ solute concentration.
Definition
hypertonic . . . greater
Term
Which of the following describe lipids
Definition
hydrophobic
Term
Plant cell walls are made of linear glucose polymers which are indigestible by humans. This glucose polymer is called?
Definition
Cellulose
Term
Which nucleic acids is a long single strand of four different nucleotides
Definition
RNA
Term
Buffers are very important in biological systems. pH buffers are those compounds which can take up excess hydrogen (H+) or hydroxide (OH-) ions. This ability means that buffers can do what?
Definition
Resist changes in pH
Term
Which of the following choices is a property of water
Definition
High heat of vaporization
Term
A hypertonic solution will cause a cell to
Definition
Shrink
Term
Which of the following reactions is NOT part of the aerobic cellular respiration pathway?
Definition
Calvin cycle
Term
The correct order of the major parts of aerobic cellular respiration is
Definition
glycolysis-transition reaction-Krebs cycle-electron transport system
Term
The molecule NAD+
Definition
accepts electrons and hydrogen atoms
Term
For the complete respiration of one molecule of glucose, the Krebs cycle must turn a total of
Definition
two times.
Term
What are the products of photosynthesis?
Definition
oxygen and carbohydrate
Term
Water is split and oxygen is released in the
Definition
light-dependent reactions.
Term
The cyclic electron pathway produces only
Definition
ATP
Term
The ____ moves electrons from water through PS II to PS I and then on to NADP+
Definition
non-cyclic electron pathway
Term
The Calvin cycle is dependent upon a supply of
Definition
carbon dioxide, NADPH, and ATP
Term
The end product of three turns of the Calvin cycle is
Definition
PGAL (GA3P).
Term
Which stage of the Calvin cycle uses the ATP and NADPH produced in the light dependent reactions?
Definition
the reduction stage
Term
Which type of photosynthetic modification is a spatial separation of gas exchange and the Calvin cycle?
Definition
C4
Term
Pressure that develops within a living cell as a result of water entering the cell is called
Definition
turgor.
Term
If the concentration of solutes outside the plant cell is greater than the concentration on the inside, water will
Definition
move out of the cell
Term
The rise of water in plants is presently most satisfactorily explained by
Definition
the cohesion-tension theory.
Term
Of the following, the longest wavelengths of energy reaching the earth from the sun are those of
Definition
radio waves.
Term
Which of the following groups of plant hormones does phenylacetic acid (PAA) belong in ?
Definition
an auxin
Term
Which of the following promote(s) senescence in plant parts?
Definition
More than one are correct
Term
The most important effect of cytokinin is its influence on
Definition
cell division.
Term
The fruit ripening process releases large quantities of
Definition
ethylene.
Term
_________ is a channel protein found in the thylakoid membrane that produces ATP from ADP and P.
Definition
ATP synthase
Term
How can a plant produce energy for itself without making glucose?
Definition
cyclic photosynthesis
Term
All of the following statements are true EXCEPT:
Definition
the longer the wavelength of light, the more energy it has.
Term
The idea that concentration differences in H+ and electric gradients across a membrane are responsible for ATP formation is known as the
Definition
chemiosmotic theory.
Term
How many ATP molecules (net yield) are produced per molecule of glucose during glycolysis?
Definition
2
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