TLS Online TPP Program

#Question id: 9180


Which of the following statements can be accurately made about light in aquatic environments?

#SCPH28 | Zoology
  1. Water equally reflects and absorbs all wavelengths of light.
  2. Longer wavelengths penetrate to greater depths.
  3. Light penetration largely limits the distribution of photosynthetic species.
  4. Most photosynthetic organisms avoid the surface where the light is too intense.
More Questions
TLS Online TPP Program

#Question id: 5751

#SCPH06 I Botany

A biochemical mutant that must be supplied with a particular nutrient for growth would be described as a(n)

TLS Online TPP Program

#Question id: 405

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

When a mixture of glucose 6-phosphate and fructose 6-phosphate is incubated with the enzyme phosphohexose isomerase (which catalyzes the interconversion of these two compounds) until equilibrium is reached, the final mixture contains twice as much glucose 6-phosphate as fructose 6-phosphate.  Which one of the following statements is best applied to this reaction outlined below? (R = 8.315 J/mol·K; T = 298 K) Glucose 6-phosphate -> fructose 6-phosphate

TLS Online TPP Program

#Question id: 15700

#SCPH05 I Biotechnology

In a sequence database of a given size, which of the following expressions is likely to retrieve more matches (X means any amino acid; any of the residues in square brackets can occupy that position)?

TLS Online TPP Program

#Question id: 24442

#SCPH01 Biochemistry

Match the following Column I with Column II 

Column I

Column II

A. PR segment

i. Plateau portion of the ventricular action

potential

B. PR interval

ii. Conduction through atrioventricular node

C. ST segment

iii. The time from initial depolarization of the

atria to initial depolarization of the ventricles

D. ST interval

iv. An isoelectric portion of the QT interval

TLS Online TPP Program

#Question id: 1626

#SCPH28 | Zoology

The initial complement component activated by complement-fixing antibodies is: