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Biol 1105 L 1-9 with 100- correct answers(graded A+).
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Biol 1105 L 1-9 with 100- correct answers(graded A+).
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Biol 1105 : L 1-9 with 100%correct answers(graded A+)
Cohesion and Adhesion - answer The movement of water from the
bottom to the top of a 350-foot redwood tree
Hydrophobic Exclusion - answer The formation of fat globules in oil
and vinegar salad dressing
High specific heat - answer The reduced annual variation in
temperature of coastal regions as compared to inland regions at the
same latitude
Lower density of the solid compared to the liquid - answer The
survival of animals in a pond over winter
High heat of vaporization - answer Panting of a dog to avoid
heatstroke
.A short stretch of a nucleic acid sequence reads as follows: 5'-
CTCGACTA-3'
Assume this is a portion of the sequence of a DNA strand. Which of
the following represents the complementary sequence, i.e., the
sequence of the other strand that would bind to this sequence? -
answer 5'-TAGTCGAG-3'
You are studying the macromolecules synthesized by certain cancer
cells. Assume you wish to specifically label only the proteins made
by these cells. - answer Radioactive S
, Protein posses all of the following functions except? - answer
encode genetic information
Denaturation, a process in which a protein loses its native shape
and function, is likely to be caused by all of the following except: -
answer being transported from one cell to another in a living
organism.
What do the following all have in common?
Hydroxyl
Carbonyl
Carboxyl
Amino
Phosphate - answer All are common functional groups found in
macromolecules
Which of the following accurately describes pH? - answer Lower pH
= more acidic = more hydrogen
The scientific method involves making careful observations, asking
questions, formulating hypotheses, collecting data, testing, and
making conclusions about the collected data. Of the following
statements about toxic wastes, select the choice that science
cannot address. - answer Science can say that a river should not be
polluted.
All of the following are correct statements about chemical bonds
EXCEPT: - answer In biological systems, ionic bonds are stronger
than covalent bonds
Which of the following properties of water is not correctly matched
to a correct example of that property? - answer Heat of
vaporization: helps to move water up a tree
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