Biology
Cell biology, genetics, ecology, and life science fundamentals.
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commercials for international aid organizations that show children livi…
A. pity
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which action most contributed to an international economic crisis durin…
Congress passed the Smoot - Hawley tariff.
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what is genotype for a recessive trait found on the female chromosome? …
\(X^{h}\)
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write a story explaining the historical context of the scene. how does …
- First question: It highlights emotion and perception rather than plot. - Second question: To reflect the complexity, chaos, and subjectivity of modern life. - Third question: Wo…
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read the scenario below and answer the question that follows. edna is p…
B. Edna should add the benefits of improving school lunches for school administrators.
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is the underlined verb or verb phrase in the simple, progressive, or pe…
A. Progressive
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learn the mental exercises pro soccer player ashley hatch uses against …
A. How does Hatch build confidence?
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most americans have heard of paul revere. he is famous for riding throu…
Sybil Ludington is not very well known, but she was just as brave as Paul Revere.
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model 3 - growth curves diagram a - exponential growth curve diagram b …
4096
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which innovation by henry ford revolutionized manufacturing? (1 point) …
moving assembly line
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cindy has an identical twin who she has never met because they were sep…
nature
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use the quote to answer the question. \americas present need is not her…
They wanted to return to a focus on peace, private industry, and prosperity.
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question 8 (mandatory) (2 points) an organisms dna guides growth, repro…
A. Development
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question 7 (mandatory) (2 points) all organisms can keep their internal…
d) Homeostasis
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question 6 (mandatory) (2 points) consumers differ from producers in th…
B. cannot make their own food
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question 5 (mandatory) (2 points) a(n) __________ is a substance that a…
a) Nutrient
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question 4 (mandatory) (2 points) a rainforest is an example of a(n) __…
A. Ecosystem
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question 3 (mandatory) (2 points) what is a group of interbreeding indi…
C. Population
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question 2 (mandatory) (2 points) what is the set of interacting organs…
d) Organ system
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question 1 (mandatory) (2 points) what is the smallest unit of life? a)…
A. Cell
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life requires energy. in a short essay (~100 words), describe the basic…
In an animal cell, energy is obtained from food. Cellular respiration (with enzyme - catalyzed steps) converts food energy to ATP. In a photosynthesizing cell, light energy is cap…
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question 10 of 10 harold receives a letter from the internal revenue se…
D. Ignore future correspondence from the IRS
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theodor w. engelmann illuminated a filament of algae with light that pa…
wavelengths of light and the rate of photosynthesis
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what compound provides the reducing power for the calvin cycle reaction…
NADPH
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in chemiosmosis in mitochondria, protons flow from the intermembrane sp…
from the thylakoid space to into the stroma
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what is the primary function of the calvin cycle? ○ to regenerate atp f…
to produce simple sugars from carbon dioxide
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10) the respiratory system includes a layer of cells in the air passage…
D. a tissue
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question 44 which of the following does not occur during the calvin cyc…
release of oxygen
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9) some human body cells are shown in the diagrams below. cells from sk…
B. tissues in which similar cells function together
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8) the table below provides some information concerning organelles and …
A. Organelles carry out functions similar to those of organs.
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which of the following statements about the relationship between photos…
Cellular respiration is catabolic and photosynthesis is anabolic.
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7) the diagram below represents levels of organization in living things…
B. tissue
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chemiosmosis in chloroplasts involves which of the following processes?…
establishment of a proton gradient across the thylakoid membrane
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6) which of the following structures are listed in order from the least…
D. chloroplast, plant cell, leaf, rose bush
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what is the primary function of the pigment molecules in a light - harv…
to transfer light energy to the reaction - center chlorophyll
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is typically determined through biology a. gender b. sex c. role d. ide…
B. Sex
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1327 - 1 - page 1 levels of organization 5) which of the following sequ…
C. organelle → cell → tissue → organ → organ system → organism
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which of the following molecules are products of the light reactions of…
ATP and NADPH.
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4) which of the following sequences shows a decreasing level of complex…
B. organism → organs → tissues → cells
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which of the following statements is a correct distinction between auto…
Autotrophs, but not heterotrophs, can nourish themselves beginning with \(CO_2\) and other nutrients that are inorganic.
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the levels of organization for structure and function in the human body…
A. cells → tissues → organs → systems
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how is photosynthesis similar in c4 plants and cam plants? in both case…
In both cases, rubisco is not used to fix carbon initially.
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2) which sequence illustrates the increasing complexity of levels of or…
C. organelle → cell → tissue → organ → organ system → organism
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which sequence represents the correct order of levels of organization f…
D. organelles → cells → tissues → organs → organ systems
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which of the following sequences correctly represents the flow of elect…
\(H2O ightarrow NADPH ightarrow Calvin\ cycle\)
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for each mole of glucose (c₆h₁₂o₆) completely oxidized by cellular resp…
4 moles
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which of the following processes is responsible for the atp made during…
substrate - level phosphorylation
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which metabolic pathway is common to both fermentation and cellular res…
glycolysis
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question 32 where does glycolysis occur in animal cells? cytosol outer …
cytosol
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this passage is adapted from the article with a robotic third thumb? (m…
B. equipped
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which of the following sequences represents the correct order in which …
glucose → glycolysis → pyruvate oxidation → citric acid cycle → electron transport chain
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which of the following terms describes metabolic pathways that break do…
catabolic pathways
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4. why were the battles of saratoga a significant moment in the america…
They led to France entering the war on the colonial side.
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glycolysis results in a net production of which of the following molecu…
2 NADH, 2 pyruvate, and 2 ATP
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which chemical process generates the atp produced in glycolysis? chemio…
substrate - level phosphorylation
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where are the proteins of the electron transport chain located in a euk…
inner mitochondrial membrane
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which of the following metabolic processes in eukaryotic cells will pro…
glycolysis
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3. recall that carrying capacity is affected by limiting factors. ident…
- Limiting Factor: Food availability; Predicted Effect: Less food → starvation, lower reproduction → population decline. - Limiting Factor: Predation pressure; Predicted Effect: M…
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how do cells know how to develop within a multicellular organism? they …
They receive instructions in their DNA.
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what is the proton - motive force? the energy required to remove an ele…
the energy provided by a transmembrane hydrogen ion gradient
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which organism has an exoskeleton deer crab elephant tree
crab
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how is a tendon different from a ligament? a tendon covers a bone; a li…
C. A tendon joins a muscle to a bone; a ligament joins a bone to a bone.
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living organisms increase in complexity as they grow, resulting in a de…
As a consequence of growing, organisms cause a greater increase in entropy in their environment than the decrease in entropy associated with their growth.
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which of the following reactions release energy? endergonic reactions d…
hydrolysis reactions
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question 22 which of the following statements best describes the induce…
The binding of substrate changes the conformation of the active site to bind substrate more tightly.
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a noncompetitive inhibitor decreases the rate of an enzymatic reaction …
changing the shape of the enzyme active site.
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which of the following statements best describes the critical role that…
ATP serves as an energy shuttle in the cell, coupling exergonic and endergonic reactions.
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the active site of an enzyme is the region that... binds allosteric reg…
binds substrates for the enzyme.
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3. which of the following diseases can be caused by a variety of differ…
common cold
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cooperativity is a form of allosteric activation in which... the produc…
binding of a substrate molecule to one active site in a multisubunit enzyme stimulates the binding of substrate molecules to the active sites of other subunits.
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2. which of the following pathogens are unicellular, eukaryotic organis…
protozoa
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1. which feature of viruses prevents them from being classified into a …
They are not living organisms.
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which of the following statements about enzyme - catalyzed reactions is…
The rate of the reaction is greater than when the same reaction occurs in the absence of an enzyme.
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some bacteria are metabolically active in hot springs because... they a…
their enzymes have high optimal temperatures.
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question 14 the cellular process of breaking down large molecules into …
catabolism.
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most cells cannot harness heat to perform work because... heat does not…
temperature is usually uniform throughout a cell.
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submerging a red blood cell in distilled water will result in... plasmo…
lysis of the cell.
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theoretically, how might researchers disrupt signal transduction pathwa…
disrupt the function of protein kinases involved in cell cycle regulation
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5. organisms such as green algae in ponds have chlorophyll - like plant…
protista
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a group of biology students conducted an experiment to study the relati…
B. The increase in a student’s estimated height, in inches, for each increase of 1 inch in the student’s femur length
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the transfer of a phosphate group to a molecule or compound is called..…
phosphorylation.
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4. which of the plant - like protists are multicellular? brown algae, r…
brown algae, red algae, green algae
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consider this pathway and identify the second messenger: epinephrine --…
cAMP
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question 8 apoptosis is ... o a disorder in humans that results in abno…
pre - programmed cell death.
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read the exchange between romeo and nurse in act ii, scene iv of romeo …
Nurse agrees to help Romeo and Juliet marry.
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question 7 the primary function of g proteins in signal transduction is…
transmitting the signal from an activated receptor to the next protein in the pathway.
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3. what do plant - like protists contain that make them like plants? ri…
chlorophyll
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question 6 2 pts signal transduction pathways that include a phosphoryl…
cause a structural change in each phosphorylated protein.
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2. christopher columbus used the presence of suspended seaweed in the o…
brown algae
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carrot slices placed in a 0.2 m salt solution for several hours become …
the fresh water is hypotonic and the salt solution is hypertonic to the cells of the carrot slices.
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1. what are the different types of protists? select all that apply. fun…
algae, protozoa
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why are lipids and proteins free to move laterally in membranes? the in…
Weak hydrophobic interactions in the interior of the membrane are easily disrupted.
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so there is no conflict with other activities. exam ii will cover chapt…
# Brief Explanations: The fluid mosaic[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][SSE Completed, Clien…
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question 3 which of the following statements about diffusion is correct…
It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.
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21. what condition is kept close to its set point in osmoregulation? bl…
water balance
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which of the following is a primary function of an electrogenic pump in…
generating the membrane potential
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how do unsaturated fatty acids help keep any membrane more fluid at low…
the double bonds form kinks in the fatty acid tails that prevent adjacent lipids from packing tightly together.
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17. what happens to a human egg that is not fertilized? it leaves the b…
It leaves the body.
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5. which type of archaea lives in the intestines of cows? thermophiles …
methanogens
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4. why do scientists often use thermoacidophile groups of archaea for r…
because of their ability to survive in environments with extreme temperatures