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TLS Online TPP Program

#Question id: 12520

During the biosynthesis of precursor All-trans-β-carotene is isomerized to 9-cis-β-carotene by ____A_____While 9-cis-β-Carotene is cleaved by carotenoid cleavage_____B_______ to produce_____C______.

#Unit 6. System Physiology – Plant
  1. A-dioxygenases, B-β-carotene isomerase, C-carlactone
  2. A-β-carotene isomerase, B-dioxygenases, C-carlactone
  3. A-β-carotene isomerase, B-NCED, C-5-Deoxystrigol
  4. A-cytochrome P450 monooxygenase (CYP), B-dioxygenases, C-9-cis-β-Carotene
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TLS Online TPP Program

#Question id: 1199

#Unit 4. Cell Communication and Cell Signaling

If you break liver cells by homogenization, separate the broken cell membranes (particulate) from the cytoplasm (soluble), and add epinephrine to the soluble portion, the result will be:
TLS Online TPP Program

#Question id: 2749

#Unit 2. Cellular Organization

Approximately what proportion of the human genome is made up of repetitive DNA sequences?
TLS Online TPP Program

#Question id: 748

#Unit 1. Molecules and their Interaction Relevant to Biology

The bond between the bases and the sugars in DNA referred as:
TLS Online TPP Program

#Question id: 23169

#Unit 13. Methods in Biology

Indirect immunofluorescence microscopy uses an unlabeled primary antibody, followed by a fluorescently labeled 
TLS Online TPP Program

#Question id: 3361

#Unit 11. Evolution and Behavior

In a population 16% individual affected with autosomal recessive diseased. how many are expected to be normal phenotype if population size is 250 ?