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TLS Online TPP Program

#Question id: 5575

Which of the following is the correct sequence of the zones in the primary growth of a root, moving from the root cap inward?

#SCPH01 Biochemistry

  1. zone of cell division, zone of elongation, zone of differentiation

  2. zone of differentiation, zone of elongation, zone of cell division

  3. zone of elongation, zone of cell division, zone of differentiation

  4. zone of cell division, zone of differentiation, zone of elongation

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TLS Online TPP Program

#Question id: 4725

#SCPH12 I Genetics

Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?
TLS Online TPP Program

#Question id: 11202

#I Life Science/ Life Sciences Group – I-V

If you experimentally increase the concentration of K+ inside a cell while maintaining other ion concentrations as they were, what would happen to the cell's membrane potential?
TLS Online TPP Program

#Question id: 7700

#I Life Science/ Life Sciences Group – I-V

The legless condition that is observed in several groups of extant reptiles is the result of ________.
TLS Online TPP Program

#Question id: 1268

#SCPH06 I Botany

The collagen triple-helix domain

a. is rich in glycine.                             b. is rich in proline.

c. is rich in hydroxyproline.                d. is an alpha helix.
TLS Online TPP Program

#Question id: 11073

#SCPH28 | Zoology

The respiratory passageways have smooth muscle in their walls. Which of the following best describes the effect of acetylcholine and epinephrine on the respiratory passageways?