1. Cattle that feed on grass occupy which trophic level?      firstsecondthirdfourth 2. A lion eating a gazelle is an example of an organism at the thirdtrophic level.predator/preyinteraction.part of the niche of thegazelle.All of the above aretrue. 3. Different forms of the same gene are referred to as loci.alleles.homozygotes.hybrids. 4. How […]

Utilize the word bank below to make the medical word which corresponds to every definition. Word parts may be used more than once. -um -ic -blast kerat/o- home/o- -poiesis sebace/o- adip/o- calc/i theli/o- coll/a- leuk/o- -ose norm/o- hemat/o- melan/o- epi- ton/o- -osis -ous system/o- phag/o- -stasis -poetin -gen hem/o- glyc/o- […]

Q1. E.coli was incubated with aeration in a nutrient medium contain two carbon sources, and the following growth curve was made from this culture. a.) Describe what happened at the time marked “x”. b.) Which substrate provided “better” growth conditions for the bacteria? How could you tell? Q2. Mary is […]

1. Why is it notnormally possible for action potentials in the postsynaptic neuronto produce an action potential in the presynaptic neuron?A.because the axon terminals of presynaptic neurons have noacetylcholine receptorsB.because the presynaptic neurons do not have a resting membranepotentialC.because the synaptic cleft allows the diffusion of acetylcholinein one direction onlyD.because […]