If non-disjunction occurs in meiosis I, which of the following scenario is most likely to occur?

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#Question id: 18996

#Unit 13. Methods in Biology

If a sample is volatile between 200 – 300 C, which chromatography is used

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#Question id: 23696

#Unit 13. Methods in Biology

which of the following best describes the complete sequence of steps occurring during every cycle of PCR?

1. The primers hybridize to the target DNA.

2. The mixture is heated to a high temperature to denature the double stranded target DNA.

3. Fresh DNA polymerase is added.

4. DNA polymerase extends the primers to make a copy of the target DNA.

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#Question id: 10426

#Unit 6. System Physiology – Plant

low-fluence responses (LFRs) another set of phytochrome responses, which include;

a) It can be initiated when fluence reaches 1.0 µmol m–2, and they are saturated at about 1000 µmol m–2

b) promotion of lettuce seed germination

c) inhibition of hypocotyl elongation and regulation of leaf movements

d) It also inhibits the growth of the mesocotyl

Which of the following combinations is correct for LFRs?

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#Question id: 12620

#Unit 10. Ecological Principles

As N approaches K for a certain population, which of the following is predicted by the logistic equation? 

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#Question id: 11771

#Unit 10. Ecological Principles

Reciprocal transplant experiments are designed to reveal whether differences between populations are due to: