Biology, 28.07.2019 21:30 nicollexo21
Aquarter-pound fast-food hamburger sandwich provides 400 calories and contains 20 grams of fat. what is the percentage of calories from fat? a quarter-pound fast-food hamburger sandwich provides 400 calories and contains 20 grams of fat. what is the percentage of calories from fat?
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Biology, 21.06.2019 20:30
Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors
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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 13:00
Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.
Answers: 3
Aquarter-pound fast-food hamburger sandwich provides 400 calories and contains 20 grams of fat. what...
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