Practice Questions

TLS Online TPP Program

#Question id: 64

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

are structural isomers but have the same molecular formula
are cis-trans isomers but have the same molecular formula
have different functional groups attached to the same carbon skeleton
are enantiomers of the same organic molecule

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TLS Online TPP Program

#Question id: 13217

#Unit 6. System Physiology – Plant

Hypodermis or Exodermis that contain

TLS Online TPP Program

#Question id: 13218

#Unit 6. System Physiology – Plant

Water flows between cells through the plasmodesmata without crossing the plasma membrane by

TLS Online TPP Program

#Question id: 13219

#Unit 6. System Physiology – Plant

In the apoplast pathway, water moves exclusively

TLS Online TPP Program

#Question id: 13220

#Unit 6. System Physiology – Plant

The symplast consists of the entire network of cell cytoplasm interconnected by

TLS Online TPP Program

#Question id: 13221

#Unit 6. System Physiology – Plant

There are two main types of water-transporting cells in the Xylem,

TLS Online TPP Program

#Question id: 13222

#Unit 6. System Physiology – Plant

More mature regions of the root often have an outer layer of protective tissue, called an