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STRAIGHTERLINE BIO 101 FINAL /337 QUESTIONS AND CORRECT ANSWERS smallest unit that has all of the characteristics of life - ANSWER-cell nutrient molecules are used to build cellular structures or for energy. this best represents which characteristic of $10.99
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STRAIGHTERLINE BIO 101 FINAL /337 QUESTIONS AND CORRECT ANSWERS smallest unit that has all of the characteristics of life - ANSWER-cell nutrient molecules are used to build cellular structures or for energy. this best represents which characteristic of
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STRAIGHTERLINE BIO 101
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STRAIGHTERLINE BIO 101
STRAIGHTERLINE BIO 101 FINAL /337 QUESTIONS
AND CORRECT ANSWERS
smallest unit that has all of the characteristics of life - ANSWER-cell
nutrient molecules are used to build cellular structures or for energy. this best
represents which characteristic of life? - ANSWER-living things acquire mat...
STRAIGHTERLINE BIO 101 FINAL /337 QUESTIONS
AND CORRECT ANSWERS
smallest unit that has all of the characteristics of life - ANSWER-cell
nutrient molecules are used to build cellular structures or for energy. this best
represents which characteristic of life? - ANSWER-living things acquire materials
and energy from the environment
organs are composed of tissues, which are composed of cells. this is an example of
which characteristic of life? - ANSWER-living things have levels of hierarchical
organization
which statement concerning reproduction is false? - ANSWER-the offspring of
multicellular organisms tend to be identical to the parent
technology is the - ANSWER-application of scientific knowledge for a practical
purpose
which of the following is a potential consequence if people stop using technology in
the agriculture industry? - ANSWER-there could be a significant decrease in the
amount of food produced
if a new anti-cancer drug is found to be effective in initial tests with mice, what might
researchers conclude? - ANSWER-the drug is effective in the mouse model; it must
still be tested in humans
which statement regarding science technology is false? - ANSWER-science
technology is a basis for all ethical or moral decisions
which of the following is one of the domains of life? - ANSWER-Eukarya
You have discovered a previously unknown organism. It is multicellular, with a
filamentous form, and absorbs food from its environment. Upon microscopic
examination, you see that the cells have nuclei. How would you classify this
organism? - ANSWER-kingdom fungi
which domains contain organisms that lack a membrane-bound nucleus - ANSWER-
archaea and bacteria
corn belongs to the kingdom - ANSWER-plantae
which of these classification categories contains the closest related group of
organisms? - ANSWER-genus
what is the correct formal for the binomial name of human beings? - ANSWER-Homo
sapiens
,A physician specializes in surgery involving the following group of organs: mouth,
esophagus, stomach, and intestines. Overall, what is the highest level of
organization that this physician is specialized in? - ANSWER-organ system
which sequence correctly lists the different levels of biological organization, from the
smallest and simplest to the largest and most complex? - ANSWER-cell-tissues-
organ-organ systems-organisms
which statement about an ecosystem is incorrect? - ANSWER-there is a community
of organisms, but no non-living components
when comparing energy and chemicals in an ecosystem, - ANSWER-chemicals
cycle over and over again but energy flows through once
all the organisms of carious species living within a given area constitute a(n) -
ANSWER-community
which of the following is of least importance when concerning the preservation of an
ecosystem? - ANSWER-preservation of an ecosystem allows humans to exploit as
many resources as possible
the most important factor that determines where major ecosystems are located on
the globe is - ANSWER-climate
the term biodiversity refers to - ANSWER-the total number of species, variation of
species, and the ecosystem in which they live
ever since the antibiotic drug penicillin was discovered in 1928, the incidence of
resistant bacteria has steadily increased as a direct result of - ANSWER-natural
selection
as the human population size increases - ANSWER-biodiversity is adversely affected
as humans have destructive effects on ecosystems
all the banded sunfish in a pond would comprise a(n) - ANSWER-population
which of the following types of lipids is the most abundant constituent of cell
membranes? - ANSWER-phospholipid
two molecules of glucose combine to form a disaccharide molecule during a(n)
_______ reaction - ANSWER-dehydration
which of the following is not a function of ATP within the cell? - ANSWER-all answer
choices are functions of ATP within the cell
which of the following radiation uses is the one that is most likely to have both
beneficial and harmful consequences? - ANSWER-using radiation to treat a cancer
patient
, the backbone of a nucleic acid strand is composed of - ANSWER-alternating
pentose sugars and phosphate groups
which of these combinations would be found in a nucleotide? - ANSWER-base-
sugar-phosphate
which of the following reactions is most likely to occur if an individual was to ingest a
large dose of lemon juice? - ANSWER-there would be an increase in the about of
carbonic acid within the bloodstream. if the carbonic acid didn't form, then the pH of
the individual's blood could shift toward 7.2
In the search to discover the agents that cause mad cow disease, scrapie in sheep,
and CJD and kuru in humans, diseased brain tissues were passed through a fine
filter to remove bacteria. The filtrate was still infectious, indicating that something
smaller than bacteria, either viruses or organic molecules, must be the causative
agent. If a virus was responsible for these brain diseases, then the infectious agent
would contain either RNA or DNA. Other possibilities were that the agent was a
carbohydrate, fat, or protein. Tissue filtrates were treated with agents that destroyed
just one of these chemicals and then injected into a healthy animal, with the results
as follows. What is the infectious agent?
•Amylase digests carbohydrates; tissue filtrate still infects healthy test animal.
•Lipase digests fats; tissue filtrate still infects healthy test animal.
•Formaldehyde and/or heat denatures DNA and RNA; tissue filtrate still infects
healthy test animal.
•Trypsin digests protein; tissue filtrate does not infect healthy test animal. -
ANSWER-protein
which is not a correct attribute of a metabolic pathway? - ANSWER-a constant
supply of new enzymes must be produces to keep the metabolic pathway active
whether or not an enzyme is active and present within a cell depends on all of the
following except - ANSWER-whether the enzyme catalyzes an endergonic or
exergonic reaction
the location in which the enzyme and substrate complexes is called the - ANSWER-
active site
where within the cell is ATP built up? - ANSWER-mitochondria
which of the following is a by-product of photosynthesis? - ANSWER-oxygen
how efficient is the breakdown of one glucose via cellular respiration? - ANSWER-
39%
why does FADH2 result in fewer ATP than NADH + H+ - ANSWER-FADH2 drops its
electrons off lower on the electron transport chain
why is cellular respiration organized into four phases? - ANSWER-so that the energy
within the glucose molecule can be released in a stepwise fashion
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