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STRAIGHTERLINE BIO 101 FINAL Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).

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STRAIGHTERLINE BIO 101 FINAL Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).

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  • September 25, 2024
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STRAIGHTERLINE BIO 101 FINAL
smallest unit that has all of the characteristics of life - ANS cell

nutrient molecules are used to build cellular structures or for energy. This best represents which
characteristic of life? - ANS 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? - ANS living things have levels of hierarchical organization

Which statement concerning reproduction is false? - ANS the offspring of multicellular
organisms tend to be identical to the parent

technology is the - ANS 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? - ANS 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? - ANS the drug is effective in the mouse model; it must still be tested in
humans

Which statement regarding science technology is false? - ANS science technology is a basis
for all ethical or moral decisions

Which of the following is one of the domains of life? - ANS 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? - ANS kingdom fungi

which domains contain organisms that lack a membrane-bound nucleus - ANS archaea and
bacteria

corn belongs to the kingdom - ANS plantae

Which of these classification categories contains the closest related group of organisms? - ANS
genus

What is the correct formula for the binomial name of human beings? - ANS 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? - ANS organ system

which sequence correctly lists the different levels of biological organization, from the smallest
and simplest to the largest and most complex? - ANS cell-tissues-organ-organ
systems-organisms

which statement about an ecosystem is incorrect? - ANS there is a community of organisms,
but no non-living components

when comparing energy and chemicals in an ecosystem, - ANS 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) - ANS community

which of the following is of least importance when concerning the preservation of an
ecosystem? - ANS 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 -
ANS climate

the term biodiversity refers to - ANS 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 - ANS natural selection

as the human population size increases - ANS biodiversity is adversely affected as humans
have destructive effects on ecosystems

all the banded sunfish in a pond would comprise a(n) - ANS population

which of the following types of lipids is the most abundant constituent of cell membranes? -
ANS phospholipid

two molecules of glucose combine to form a disaccharide molecule during a(n) _______
reaction - ANS dehydration

which of the following is not a function of ATP within the cell? - ANS 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? - ANS using radiation to treat a cancer patient

the backbone of a nucleic acid strand is composed of - ANS alternating pentose sugars and
phosphate groups

which of these combinations would be found in a nucleotide? - ANS 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? - ANS 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 filtr - ANS protein

which is not a correct attribute of a metabolic pathway? - ANS 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 - ANS whether the enzyme catalyzes an endergonic or exergonic reaction

the location in which the enzyme and substrate complexes is called the - ANS active site

where within the cell is ATP built up? - ANS mitochondria

which of the following is a by-product of photosynthesis? - ANS oxygen

how efficient is the breakdown of one glucose via cellular respiration? - ANS 39%

why does FADH2 result in fewer ATP than NADH + H+ - ANS FADH2 drops its electrons off
lower on the electron transport chain

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