Most viruses have the structural arrangement of -
a cell wall surrounding the cell membrane
a...
Biology, 16.12.2020 01:00 jordan7626
Most viruses have the structural arrangement of -
a cell wall surrounding the cell membrane
a capsid shell made from lipids
flagella surrounding the cell membrane
a capsid surrounding a nucleic acid sequence
Answers: 3
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Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in
Answers: 1
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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 04:00, raiapowell
Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic
Answers: 1
Biology, 22.06.2019 09:00, magicpuppydance
Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs
Answers: 2
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