TLS Online TPP Program

#Question id: 555


The double-reciprocal transformation of the Michaelis-Menten equation, also called the Lineweaver-Burk plot, is given by To determine Km from a double-reciprocal plot, you would:

#I Life Science/ Life Sciences Group – I-V
  1. multiply the reciprocal of the x-axis intercept by -1.

  2. multiply the reciprocal of the y-axis intercept by -1.

  3. take the reciprocal of the x-axis intercept.

  4. take the reciprocal of the y-axis intercept

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TLS Online TPP Program

#Question id: 4963

#SCPH28 | Zoology

Which free-living cells were the earliest contributors to the formation of Earthʹs oxidizing atmosphere?

TLS Online TPP Program

#Question id: 4964

#SCPH06 I Botany

Which of the following statements provides the strongest evidence that prokaryotes evolved before eukaryotes?

TLS Online TPP Program

#Question id: 4964

#SCPH28 | Zoology

Which of the following statements provides the strongest evidence that prokaryotes evolved before eukaryotes?

TLS Online TPP Program

#Question id: 4965

#SCPH06 I Botany

What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?

1.  origin of mitochondria

2.  origin of multicellular eukaryotes

3.  origin of chloroplasts

4.  origin of cyanobacteria

5.  origin of fungal-plant symbioses

TLS Online TPP Program

#Question id: 4965

#SCPH28 | Zoology

What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?

1.  origin of mitochondria

2.  origin of multicellular eukaryotes

3.  origin of chloroplasts

4.  origin of cyanobacteria

5.  origin of fungal-plant symbioses

TLS Online TPP Program

#Question id: 4966

#SCPH06 I Botany

If it were possible to conduct sophisticated microscopic and chemical analyses of microfossils found in 3.2-billion-year-old stromatolites, then within such microfossils, one should be surprised to observe evidence of:

I. double-stranded DNA

II. a nuclear envelope

III. a nucleoid

IV. a nucleolus

V. nucleic acids