Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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module / exam due dec 12 by 11:59pm points 100 submitting an external t…
D. Cholesterol is a source for naturally occurring steroid hormones.
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multiple choice question 44 of 91 concepts completed in glucose metabol…
It is released as heat.
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what does the first point on an evolutionary tree show? the homologous …
the common ancestor
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multiple select question select all that apply choose all that are biol…
B. Phosphorus, C. Calcium, D. Sodium
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multiple choice question which vitamin promotes calcium absorption and …
C. Vitamin D
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why do whales possess a functional femur? they are evolving hind limbs …
B. They descended from organisms that walked on land.
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multiple choice question which mineral is a key structural component of…
A. Phosphorus
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read the information before answering the question. what does the prese…
A. Whales had hind legs when they were large land mammals.
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read the information before answering the question. what does the prese…
A. Whales had hind legs when they were large land mammals.
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what is the biological sense of evolution? a change in species over suc…
A. A change in species over successive generations.
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why are sex - linked disorders more common in males? males only need to…
A. Males only need to inherit one copy of the allele on a sex chromosome for it to appear
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multiple choice question which class of nutrient is our chief dietary s…
C. Proteins
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how do we know that alleles actually separate during gamete formation? …
A. If the alleles did not separate, recessive alleles would never reappear.
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multiple choice question which term refers to a type of inorganic nutri…
A. Minerals
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in a punnett square, what does an uppercase letter represent? a signifi…
dominant alleles only
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multiple choice question how does net protein utilization for animal pr…
B. It is usually higher for animal protein.
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what does a deletion mutation cause? insertion frameshift inversion
B. frameshift (assuming the options are labeled as A. insertion, B. frameshift, C. inversion)
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what do we call a magnified image of chromosomes arranged by size? mri …
B. karyotype (assuming the options are labeled, with the second option being karyotype as per the list: 1. MRI, 2. karyotype, 3. cardiogram)
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sodium calcium iron fluoride fluoridated water and toothpaste, tea, sea…
- Sodium: Table salt, processed foods; usually present in excess - Calcium: Milk, fish, shellfish, greens, tofu, orange juice - Iron: Red meat, liver, shellfish, eggs, dried fruit…
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how is gene regulation important in the development of multicellular or…
It ensures genes are expressed in specific patterns.
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multiple select question select all that apply choose all that are exam…
A. Enzymes, C. Hemoglobin, D. Keratin
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multiple choice question phosphorous is a component of which of the fol…
A. DNA
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which of the items below would describe the genotype of an individual? …
GG
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how is cross-pollination carried out in nature? cross-pollination occur…
B. Cross - pollination occurs with the help of pollinators, like bees or birds.
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which type of chromosomal mutation results in a piece of a chromosome b…
A. translocation
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when a cell undergoes mitosis, it creates exactly two daughter cells. h…
once
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in which phase of meiosis does the cytoplasm divide into 4 cells? metap…
Telophase II and cytokinesis
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the spindles disappear in what phase of mitosis? prophase anaphase fina…
Final phase (Telophase, though labeled as Final phase here) is when spindles disappear. So the answer is Final phase.
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what is the correct order of processes in the continuous cell cycle? mi…
mitosis (cell division part 1), cytokinesis (cell division part 2), interphase (G1, S, G2)
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which can be infected by viruses? lamps sidewalk and pathways animals
animals
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what happens to the likelihood of reinfection by the same strain of a v…
it decreases significantly
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multiple choice question proteins are our chief dietary source of which…
A. Nitrogen
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multiple choice question after depositing triglycerides in the adipose,…
C. LDLs
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multiple choice question animal proteins tend to be ______ while plant …
A. complete, incomplete
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which of the following is a way that humans can help an endangered spec…
D. moving them to zoos or aquariums (assuming the options are labeled A to D with the last option as D; if labels differ, adjust the identifier but the text remains "moving them t…
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multiple choice question which is a serum lipoprotein that transports c…
A. LDL
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how does the edge effect impact natural ecosystems? it decreases the pr…
It changes the natural environmental conditions resulting in more pressure on natural species.
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multiple choice question which constitutes about 12 to 15 percent of th…
D. Protein
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multiple choice question which enzyme hydrolyzes triglycerides containe…
C. Lipoprotein lipase
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true or false question high dietary intake of cholesterol increases cho…
False
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when can diseases, starvation, and overcrowding impact the human popula…
B. when the population is very close together and is over carrying capacity (assuming the options are labeled A, B, C with A being the first, B the second, C the third)
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multiple choice question what is the benefit of having a high blood lev…
D. HDL removes excess cholesterol from the circulation.
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ticks, fleas and tapeworms are all examples of what group of organisms?…
parasites
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multiple choice question a chylomicron is a type of what? lipoprotein c…
A. Lipoprotein
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multiple choice question the lipoprotein called ______ is produced by t…
B. VLDL
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18 multiple choice which of the following best describes a consequence …
C. Coral bleaching occurs, endangering marine biodiversity and impacting species that rely on reefs.
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multiple select question select all that apply choose all that are comp…
A. Cholesterol, B. Triglycendes (Triglycerides), D. Proteins
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which of these will cause a cascading effect or trophic cascade in an e…
the loss of any one species in an ecosystem
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multiple choice question the type of fat that is found predominately in…
A. unsaturated
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multiple choice question what is the role of lipoprotein lipase? ○ to r…
C. To hydrolyze triglycerides in lipoproteins (assuming the options are labeled A, B, C, D with the third option being C. If the original options had different labels, adjust acco…
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the diversity of ecosystems plays what role in the stability of the bio…
The diversity of ecosystems helps maintain a stable biosphere.
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what is an example of a decomposer? virus bacteria crabgrass
bacteria
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multiple choice question which is a type of lipoprotein? monosaccharide…
C. Chylomicrons
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complete the statement below. omnivores have teeth designed for eating.…
B. both plants and animals.
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punnet square sore throat and strep throat st st
The subfield is Biology (under Natural Science), as Punnett squares are used in genetic analysis, a key part of Biology.
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a shortage of which of the following can limit the growth of producers?…
water
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multiple choice question which is a major structural component of plasm…
B. Cholesterol
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which of the following is an example of a density-dependent factor? flo…
predation
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multiple select question select all that apply choose all the roles tha…
B. Enables lipid droplets to remain suspended in the blood, C. Forms a recognition marker for cells
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multiple choice question vitamin d is a ______ vitamin. fat-soluble wat…
A. fat - soluble
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how did humans try to control the population of the invasive rabbit pop…
A. They introduced a virus to the invasive rabbit population to control it.
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which of these is an abiotic (non-living) part of a food chain? the sun…
the sun
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multiple choice question the type of fat in meats is predominately ____…
B. saturated fat (assuming the second option is labeled as B, if the first was A and second B. If the options were just listed without labels, then "saturated fat" is the correct …
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multiple choice question why is fat superior to carbohydrates for energ…
B. Fat contains more energy per gram.
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what is the term used to describe the temporary extensions used by amoe…
A. feet
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how do fungi reproduce? only asexually both asexually and sexually only…
both asexually and sexually
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what is another term for male gametes? leaves ovules pollen
C. pollen (assuming the options are labeled A, B, C as A. leaves, B. ovules, C. pollen)
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5. cell phone bill jonathan’s cell phone bill before taxes is $49.99 + …
\$64.99
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multiple select question select all that apply choose all that are ofte…
B. Linoleic acid, D. Linolenic acid (and sometimes A. Arachidonic acid, but typically linoleic and linolenic are the main essential ones taught in basic nutrition; if considering …
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which of the following is true about the seed cone? contains the male r…
The correct option is: is where the pollen meets the egg and the egg is fertilized
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multiple choice question which macromolecule consists of glycerol and f…
A. Triglycende
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in addition to bright colors, what else can attract pollinators to a fl…
The fragrant scents and the presence of nectar.
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multiple select question select all that apply choose all the substance…
B. Vitamin D, C. Estrogen, D. Testosterone, E. Bile acids
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true or false question water-insoluble fiber includes cellulose, hemice…
True
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what is an angiosperm? a division of plants that bear their seeds withi…
A. a division of plants that bear their seeds within a layer of tissue that protects it
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multiple choice question the nutritional benefit of water - soluble fib…
D. Blood cholesterol and LDL levels (assuming the options are labeled A - D in order, with the last option being D. If the original numbering is different, adjust the identifier a…
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which of the following describes sclerenchyma cells? helps the plant su…
The correct options (assuming we need to pick the best descriptive one for the cell's structure, but if multiple correct in context, but here the most direct descriptive of the ce…
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multiple choice question which class of macronutrients provide the most…
A. Fat
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what process can only be carried out by plants when in the presence of …
light - dependent reactions
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which organism carries on photosynthesis as part of its life processes?…
B. trees
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multiple choice question dietary fibers of plant and animal origin resi…
B. Digestion (assuming the options are labeled A: Phagocytosis, B: Digestion, C: Ingestion, D: Defecation. If the original options had different labels, adjust accordingly based o…
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multiple select question select all that apply choose all the statement…
A. Fat should account for no more than 35% of one's daily caloric intake, B. People who ingest less than 20 g of fat per day are at risk of vitamin deficiency
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multiple choice question which carbohydrate is found in fruits? fructos…
A. Fructose
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multiple choice question choiesterol is a type of ______. nucleic acid …
C. lipid
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what is a biome? a geological feature that results in twisted land form…
The correct option is: a group of ecosystems with similar climates, vegetation, and animals
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what happens to carbon when animals die? it turns into oxygen. it retur…
It returns to the soil through decomposition.
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multiple choice question which is an example of water - soluble fiber? …
D. Pectin
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what is the name of the structures that are built to recognize specific…
antibodies
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multiple choice question maltose is a ______. polysaccharide disacchari…
B. disaccharide
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multiple choice question plant cellulose and pectin are examples of whi…
A. Dietary fiber
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which of the following is true about bones? blood vessels have zero inv…
Ossification is the process of bone development.
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which type of muscle is found in the walls of the heart? cardiac skelet…
A. cardiac
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multiple choice question glucose is a ______. disacchande polysacchande…
C. monosaccharide (assuming the options are labeled A, B, C as: A. disaccharide, B. polysaccharide, C. monosaccharide)
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what is the first form of chemical digestion that food encounters when …
saliva
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multiple choice question most dietary carbohydrates come from which of …
B. Plant - based foods
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one part of the nervous system controls involuntary processes, such as …
autonomic nervous system
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multiple choice question which term refers to a carbohydrate molecule c…
B. Polysaccharide
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which of these anatomical structures is part of the upper respiratory s…
larynx
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what is the first destination of the first circulation? to the brain to…
to the lungs
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multiple choice question because the class of nutrients called ______ a…
D. carbohydrates