BIL 150 Final Exam Practice Mallery || QUESTIONS AND ANSWERS 100% VERIFIED
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BIL 150
an inquiry-based research approach includes: correct answers 1. seeing what motivated the researchers to do the experiment
2. seeing how the experiments are designed
3. determining what new techniques or methodologies were used in the experiments
4. seeing if the results influenced the future c...
BIL 150 Final Exam Practice Mallery || QUESTIONS
AND ANSWERS 100% VERIFIED
an inquiry-based research approach includes: correct answers 1. seeing what motivated the
researchers to do the experiment
2. seeing how the experiments are designed
3. determining what new techniques or methodologies were used in the experiments
4. seeing if the results influenced the future course of this type of research
the replacement level fertility for a human reproductive couple is: correct answers 2.1
an effective way population dynamicists can show the structure of a population is via age/sex
correct answers population pyramid
what is the first step of the scientific method correct answers observation
testing whether or not a new drug reduces high blood pressure. the change in systolic and
diastolic blood pressure values of the participants represents the ___ variable. correct answers
dependent
an effective way to emphasize just the numerical values of raw data collected in an
experiment is in a _____. correct answers table
a hypothesis that has been confirmed through repeated experimental tests over a long period
of time is often referred to as... correct answers a theory
specific to general correct answers inductive reasoning
general to specific correct answers deductive reasoning
breaking the bonds by adding water correct answers hydrolysis
a possible role for minerals in the establishment biomolecules common to those found in
living systems today during the early Earth origins of such molecules was correct answers to
provide scaffolding support for concentrating small molecules
enzyme pathways are similar in correct answers all living cells
what element has the greatest percentage of human body weight? correct answers oxygen
properties of water due to its hydrogen bonds correct answers -high surface tension
-cohesiveness
-specific heat
-heat of vaporization
the permanent geometry of a molecule that cannot be changed without breaking chemical
bonds correct answers configuration
,a peptide bond between 2 amino acids is planar and does not allow free rotation about the
axis of the bond correct answers true
it is often noted via the scientific method that hypotheses are never proven, only disproven
correct answers true
a method pf protein separation that separates protein from each other on the basis of pH
where the protein would have no net charge correct answers isoelectric focusing
if your cell membranes were unstable and weak, you would add what? correct answers fats
and lipids
characteristics of a cellular metabolic pathway correct answers -dynamic steady state
-economy
-efficiency
-regulation via enzymes
CH3 correct answers hydrophobic non polar functional group
which level of protein structure does hydrophobic interactions play a signifiant structural
role? correct answers tertiary
in Resnick and Endler's experiments on guppies, the selection force acting on the fish was...
correct answers predation
the oldest scientific society established in the 1600s is? correct answers the royal society of
london
which of the types of macromolecules is not correctly matched: protein-catalase, triglyceride-
albumin, nucleic acid-messenger RNA, carbohydrate-maltose correct answers triglyceride-
albumin
why is water a universal solvent? correct answers polar interactions
small organics
polymeric molecules
complementary templating
protobionts correct answers order of the "chemical evolutionary" origins of life
cellular functions for proteins: correct answers enzyme catalysis, transport of molecules,
structural support, receptors of molecules
the point in a molecule where the pH has no net charge correct answers isoelectric point
a peptide bond is what shape correct answers planar
after homogenization of a soft tissue one would expect to find soluble cellular protein where?
correct answers in the supernatant
,if one separate proteins from each other according to their molecular weight, the best
procedure would be with...? correct answers SDS-PAGE (gel electrophoresis)
possible ET sources for the bio-organic molecules that may have helped seed the planet Earth
are... correct answers 1. comets
2. meteorites
3. asteroids
small RNA molecules that have catalytic activity correct answers ribozymes
the chemical reaction by which cells make most of their polymers from monomers correct
answers condensation (dehydration) reactions
beta glycosidic bond correct answers OH on top
alpha glycosidic bond correct answers OH on bottom
in order for a protein synthesized in the cytoplasm of a cell to be transported into the
nucleoplasm of the nucleus, the protein must contain... correct answers a specific localizing
sequence of amino acids
the mitoplasm of a mitochondria contains: correct answers ribosomes
its own DNA
lipid droplets
where are ribosomes found in the cell? correct answers free in the cytoplasm
attached to the ER
attached to the mRNA in a polyribosome
the process of adding sugars to newly made proteins in the ER correct answers glycosylation
movement of a charged ion in a one-way direction across a membrane is referred to as...
correct answers uniport
as catalysts, enzymes...? correct answers lower activation energy
a competitive inhibitor binds where on an enzyme? correct answers the active site
the class of enzymes that brea the covalent bonds within polymer molecules like glycogen
and nucleic acids by adding water to the bond correct answers hydrolases
chromosomes found in prokaryotic cells are made of correct answers DNA only
molecule made initially by substrate level phosphorylation during Kreb's cycle correct
answers GTP
microscope that uses a laser beam as its light source to view the specimen correct answers
confocal microscopy
, organelle with the largest total volume in an animal cell correct answers endoplasmic
reticulum
during glycolysis ATP molecules are produced by the process of correct answers substrate
level phosphorylation
the mathematical equation that defines the electrical charge that should exist across a
membrane which is due to the existing distribution of ions across a membrane correct
answers nernst equation
moves materials into a cell most often via membrane vesicles correct answers endocytosis
cells responding to an extracellular signal molecule, converting a protein from an inactive
form to an active form. correct answers signal transduction
molecular switches in cells that are in their active form when GTP is bound to the protein
correct answers G-proteins
what are the end products of glycolysis correct answers ATP, NADH, and pyruvate
mitochondrial transfer of electrons through the ETC is used to generate a proton gradient by
pumping H+ ions into which of the following cellular locations correct answers space
between the inner and outer mitochondrial membranes
ADP is a structural part of which coenzymes of cellular respiration? correct answers NAD+,
FADH2, CoASH, and ATP
metabolic pathway common to both the processes of fermentation and cellular respiration
correct answers glycolysis
final electron acceptor in mitochondria in the ETC correct answers oxygen
aqueous compartment of the chloroplast where the calvin cycle occurs correct answers
chloroplast (stroma)
at what stage do the sister chromatids separate correct answers anaphase II
a biological enzyme makes a reaction correct answers faster
the process where an electron leaves a chlorophyll molecule leaving that chlorophyll charged
correct answers photoionization
plant pigments correct answers phycobilins, carotene, chlorophyll b
-delta G means correct answers exergonic
what is an output product of the ETC and oxidative phosphorylation correct answers H2O
during green plant photosynthesis the calvin cycle takes place correct answers in the
chloroplasm
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