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TLS Online TPP Program

#Question id: 289

Which of the following statements describes a covalent bond between Carbon and Hydrogen:

#SCPH01 Biochemistry

  1. The electrons are shared equally between the two atoms of the bond.

  2. The electrons of the bond are pulled closer to the nucleus of Hydrogen, because its outer shell electron is closer to its nucleus than the outer shell electrons of Carbon are to its nucleus.

  3. The electrons of the bond are pulled closer to the nucleus of Hydrogen, because its nucleus contains more protons than Carbon.

  4. The electrons of the bond are pulled slightly closer to the nucleus of Carbon, because although its outer shell electrons are located farther away from the protons of its nucleus, it contains more protons than Hydrogen.

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TLS Online TPP Program

#Question id: 1566

#SCPH06 I Botany

Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of the signs of inflammation are therefore associated with histamine release?
TLS Online TPP Program

#Question id: 1746

#SCPH01 Biochemistry

Which is the first of the following genes to be upregulated subsequent to T-cell activation?
TLS Online TPP Program

#Question id: 3518

#SCPH01 Biochemistry

Assume that the trihybrid cross AA BB rr X aa bb RR is made in a plant species in which A and B are dominant but there is incomplete dominance between R and r. Consider the F2 progeny from this cross, and assume independent assortment. The phenotypes appear in this F2 progeny?
TLS Online TPP Program

#Question id: 27717

#Research Methodology

____________ is the cyclical process of collecting and analyzing data during a research study.
TLS Online TPP Program

#Question id: 19145

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

TBLASTN is used to