Biology

Can somebody help with my bio hw?What is the correct interpretation of this cladogram?a. Salmon don't have segmented bodiesb. Only lizards have limbs; no other animals do.c. Earthworms are organisms with jawsd. Kangaroos aren't placental animals
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citrate test consider the uninoculated tube. a) is it a positive or a negative control? b) what information is provided by the uninoculated control?
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HELP !! 6. Imagine that Earths magnetic field was fixed in place and the polarity didnt reverse. What effect would this have on our observations of seafloor basalts?
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Define the definition: Heterozygous
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A long the fossil bone was discovered at the site in south eastern China a student proposes that the bone belongs to a mastodon because the site is on the same continent is Siberia has the student analyzed and interpreted the data correctly
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What are the domains of the universal phylogenetic tree?
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a unit of gene expression that allows controlled and coordinated expression of a set of proteins is called a(n) .
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which ecosystem is most resilient to change due to its high diversity? aarctic tundra bmountain meadow cstormwater pond damazon rainforest
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a defective gene that delays cholesterol removal from the bloodstream would increase an individual's risk for:
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With a minimum of 5 sentences, construct anexplanation how the structure of DNA codesfor proteins (amino acids). Use the DNAtemplate below.DNA AGA CGG TAC CTC CGG TGG GTG CTT GTC TGT ATC CTT CTC AGT ATCMUST include the following terms: nucleus,ribosome, amino acid, transcription,translation
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which bones do you think are more prone to fracture, bones from the axial skeleton or bones from the appendicular skeleton? which do you think would be more damaging, a fracture in the bones of the axial skeleton or bones from the appendicular skeleton? explain your answers.
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describe the difference between species richness and species evenness. how are each calculated? can an ecosystem have a high richness and low evenness and vice versa?
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which of the following are metabolic effects of a high-carbohydrate diet for athletes? multiple select question. increased secretion of insulin increased use of fat for fuel storage of glycogen in muscles and liver
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5. what are the advantages and the disadvantages of having an endoskeleton compared to an exoskeleton?
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what is the name of the technique that we have already used in this biol 275l course that amplifies dna, similar to cloning cells? in your answer, use the acronym.
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can you correctly label the structures in this diagram that summarizes chromosome packing? part a drag each label to its proper place in the diagram.
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metaphase ii move the chromosomes (made out of the sister chromatids) to the equator of this cell. how many chromosomes are at this equator?
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ow could you use agar plates, e coli, and ampicillin to etermine how e coli cells are affected by ampicillin?
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if complex iv were nonfunctional, could chemiosmosis produce any atp, and if so, how would the rate of synthesis differ?
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what is the main mechanism of action for oxidative phosphorylation? a. uses the free energy of the proton gradient generated as a result of transferring electrons from nadh or fadh2 to o2 by a series of electron carriers for atp production. b. uses the net yield of atp produced by glycolysis and the citric acid cycle to produce more atp. c. uses the free energy released during redox reactions in complexes i-iv (the electron transport chain) and is uncoupled to complex v (atp synthase). d. to make more atp from outside sources such as extracellular proteins.
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Please help lost on this
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Hi can someone please help me with this question Im struggling with it!!
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what are the a rapid process of reproduction is an advantage but little or no diversity is a disadvantage of reproduction.
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which of the following statements about bacteriocins is false? group of answer choices bacteriocins kill bacteria. the genes coding for them are on plasmids. they can be used to identify certain bacteria. nisin is a bacteriocin used as a food preservative. they cause food-poisoning symptoms.
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