Biology, 31.07.2019 16:00 kelsgoat22
An unconformity is(n) a ) layer of sedimentary rock b) gap in the rock record c) intrusion ( my answer) d)layer of rocks with unusual fossil
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Biology, 22.06.2019 00:00
Mouse liver cells were homogenized and the homogenate subjected to equilibrium density-gradient centrifugation with sucrose gradients. fractions obtained from these gradients were assayed for marker molecules (i.e., molecules that are limited to specific organelles). the results of these assays are shown in the figure. the marker molecules have the following functions: cytochrome oxidase is an enzyme involved in the process by which atp is formed in the complete aerobic degradation of glucose or fatty acids; ribosomal rna forms part of the protein-synthesizing ribosomes; catalase catalyzes decomposition of hydrogen peroxide; acid phosphatase hydrolysis monophosphoric esters at acid ph; cytidylyltransferase is involved in phospholipid biosynthesis; and amino acid permease aids in transport of amino acids across membranes. a) name the marker molecule and give the number of the fraction that is most enriched for each of the following cell components: lysosomes; peroxisomes; mitochondria; plasma membrane; rough endoplasmic reticulum; smooth endoplasmic reticulum.
Answers: 3
Biology, 22.06.2019 03:00
Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
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Biology, 22.06.2019 06:10
Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt
Answers: 2
An unconformity is(n) a ) layer of sedimentary rock b) gap in the rock record c) intrusion ( my an...
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