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TLS Online TPP Program

#Question id: 9251

Which of the following is responsible for the differences in summer and winter temperature stratification of deep temperate zone lakes?

#Unit 9. Diversity of Life Forms
  1. Water is most dense at 4°C.
  2. Oxygen is most abundant in deeper waters.
  3. Winter ice sinks in the summer.
  4. Stratification is caused by a thermocline
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TLS Online TPP Program

#Question id: 416

#Unit 1. Molecules and their Interaction Relevant to Biology

The immediate precursors of DNA and RNA synthesis in the cell all contain:
TLS Online TPP Program

#Question id: 417

#Unit 1. Molecules and their Interaction Relevant to Biology

Muscle contraction involves the conversion of:
TLS Online TPP Program

#Question id: 418

#Unit 1. Molecules and their Interaction Relevant to Biology

Biological oxidation-reduction reactions always involve:
TLS Online TPP Program

#Question id: 419

#Unit 1. Molecules and their Interaction Relevant to Biology

Biological oxidation-reduction reactions never involve:
TLS Online TPP Program

#Question id: 420

#Unit 1. Molecules and their Interaction Relevant to Biology

The structure of NAD+ does not include:
TLS Online TPP Program

#Question id: 421

#Unit 1. Molecules and their Interaction Relevant to Biology

The flow of material through a metabolic pathway is called the ________