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BIO 120 Module 1 Questions and Answers (100% Pass)
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Monday, July 29, 2024 12:15 PMBIO 120 Module 1 Questions and Answers (100% Pass)
proteins - ✔️✔️Ribosomes are responsible for the synthesis of
carboxyl - ✔️✔️Amino acids are acids because they always possess which functional
group?
sulfur-32 (atomic number Q: - ✔️✔️Phosphorus-32, a radioactive isotope of phosphorus-
31 (atomic number Q:, undergoes a form of radioactive decay whereby a neutron turns
into a proton and emits radiation in the form of an electron. What is the product of such
radioactive decay of phosphorus-32?
15 protons and 15 electrons - ✔️✔️From its atomic number of 15, it is possible to predict
that the phosphorus atom has
10.0°C - ✔️✔️The nutritional information on a cereal box shows that one serving of a dry
cereal has 200 kilocalories. If one were to burn one serving of the cereal, the amount of
heat given off would be sufficient to raise the temperature of 20 kg of water how many
degrees Celsius?
technology - ✔️✔️The application of scientific knowledge for some specific purpose is
known as
near universality of the genetic code - ✔️✔️Which of these provides evidence of the
common ancestry of all life?
10-4 M - ✔️✔️Measurements show that the pH of a particular lake is 4.0. What is the
hydrogen ion concentration of the lake?
amino acids - ✔️✔️The monomers involved in the synthesis of peptides/proteins are
False - ✔️✔️T or F: Nucleic acids are typically positively-charged due to their ribose-
phosphate backbone
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,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Monday, July 29, 2024 12:15 PM
2 - ✔️✔️How many electron pairs are shared between carbon atoms in a molecule that
has the formula C2H4?
It should dissolve in water - ✔️✔️A compound contains hydroxyl groups as its
predominant functional group. Which of the following statements is true concerning this
compound?
2 - ✔️✔️What is the maximum number of electrons in a single 2 p orbital of an atom?
taxonomy - ✔️✔️Which branch of biology is concerned with the naming and classifying of
organisms?
negative feedback - ✔️✔️When the body's blood glucose level rises, the pancreas
secretes insulin and, as a result, the blood glucose level declines. When the blood
glucose level is low, the pancreas secretes glucagon and, as a result, the blood glucose
level rises. Such regulation of the blood glucose level is the result of
wax - ✔️✔️What is a hydrophobic material?
true - ✔️✔️T or F: Bacterial or prokaryotes lack a nuclear envelope.
amino acids - ✔️✔️The monomers involved in the synthesis of peptides/proteins are
The carbon atoms ultimately came from carbon dioxide incorporated into sugars
through photosynthesis - ✔️✔️What statement best describes the carbon atoms present
in a seed-eating bird?
van der Waals interactions - ✔️✔️What bonding or interaction is most likely to occur
among a broad array of molecules of various types (polar, nonpolar, hydrophilic,
hydrophobiC.?
B) the study of carbon compounds - ✔️✔️Organic chemistry is currently defined as
Some carbon atoms in nature have more neutrons - ✔️✔️Carbon-12 is the most common
isotope of carbon, and has an atomic mass of 12 daltons. A mole of carbon in naturally
occurring coal, however, weighs slightly more than 12 grams. Why?
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, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Monday, July 29, 2024 12:15 PM
pH 11 - ✔️✔️What is the pH of a 1 millimolar NaOH solution?
inheritable traits that enhance their survival and reproductive success in the local
environment. - ✔️✔️Charles Darwin proposed a mechanism for descent with modification
that stated that organisms of a particular species are adapted to their environment when
they possess
both donating H+ to a solution when bases are added, and accepting H+ when acids
are added - ✔️✔️Buffers are substances that help resist shifts in pH by
the concentration of H+ ions in the water equals the concentration of OH- ions in the
water - ✔️✔️If a solution has a pH of 7, this means that
A) They are both polymers of glucose - ✔️✔️Which of the following is true of both starch
and cellulose?
A) They are both polymers of glucose.
B) They are cis-trans isomers of each other.
C) They can both be digested by humans.
D) They are both used for energy storage in plants.
E) They are both structural components of the plant cell wall.
B) secondary - ✔️✔️Which level of protein structure do the α helix and the β pleated
sheet represent?
A) primary
B) secondary
C) tertiary
D) quaternary
E) primary, secondary, tertiary, and quaternary
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