TLS Online TPP Program

#Question id: 34197


In a typical batch culture growth curve, which of the following can be used to monitor bacterial population over time?

#XL - S Microbiology
  1. Optical density (OD) measurements
  2. Viable cell count
  3. Dry weight measurement
  4. Agarose gel electrophoresis
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TLS Online TPP Program

#Question id: 10274

#XL - Q Biochemistry

In plastids, a partial glycolysis occurs that produces metabolites for plastidial biosynthetic reactions, which of the following is not synthesized in the plastid?

TLS Online TPP Program

#Question id: 347

#XL - Q Biochemistry

A beaker contains 100 milliliters (mL) of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the result of this mixing?

TLS Online TPP Program

#Question id: 685

#XL - Q Biochemistry

A protein has a molecular weight of 5600 daltons; its subunits are about 1960 daltons. There are ________ protein chains per oligomer.

TLS Online TPP Program

#Question id: 31587

#XL - S Microbiology

How many NADPH and ATP molecules are generated per molecule of glucose in the Entner-Doudoroff pathway?

TLS Online TPP Program

#Question id: 15409

#XL - S Microbiology

 A heterozygous trihybrid corn plant is testcrossed and the following progeny are produced (all traits are recessive to their wildtype alternative);
          booster                              6
          booster, silkless                  137       
          booster, liguleless, silkless      291
          liguleless                          142
          liguleless, silkless                  3
          silkless                            30
          booster, liguleless                  34
          wildtype                            339
What is the order of the loci on the chromosome?