Biology, 24.08.2021 18:30 gabbym39077
A radioactive drop of blood was added to the Left Atrium of an adult heart. Trace the flow of this drop of blood throughout the cardiovascular system: *Left atrium --> __(1)__ --> __(2)__ --> __(3)__ --> __(4)__ -->> systemic capillaries --> __(5)__ --> __(6)__ --> __(7)__ --> __(8)__ --> Right ventricle --> __(9)__ --> __(10)__ --> __(11)__ --> __(12)__ --> Left atrium
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Biology, 21.06.2019 21:30
What is the difference between bacterial infections and viral infections?
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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 06:20
Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.
Answers: 1
Biology, 22.06.2019 07:00
Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?
Answers: 1
A radioactive drop of blood was added to the Left Atrium of an adult heart. Trace the flow of this d...
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