Practice Questions

TLS Online TPP Program

#Question id: 11479

Tastes and smells are distinct kinds of environmental information where ________.

#7. System Physiology – Animal

neural projections from taste receptors reach different parts of the brain than the neural projections from olfactory receptors
the single area of the cerebral cortex that receives smell and taste signals can distinguish tastes and smells by the pattern of action potentials received
tastant molecules are airborne, whereas odorant molecules are dissolved in fluids
distinguishing tastant molecules requires learning, whereas smell discrimination is an innate process

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TLS Online TPP Program

#Question id: 3858

#3. Fundamental Processes

The 5' methyl guanosine caps added during RNA chain elongation performs what function?

1. prevents degradation by nucleases

2. are recognized by protein factors

3. are used to identify the type of RNA

TLS Online TPP Program

#Question id: 6943

#5. Developmental Biology

The portion of the blastoderm-stage embryo which will give rise to most ectodermal, mesodermal, and endodermal tissues is called the:

TLS Online TPP Program

#Question id: 12751

#13. Methods in Biology

A DNA sample has a 260/280 ratio of 2. Which of the following treatments can be used to get a better purity of DNA sample?

TLS Online TPP Program

#Question id: 19889

#12. Applied Biology

The genetic monitoring and disease diagnosis are examples for ______________________ sensor?

TLS Online TPP Program

#Question id: 2956

#2. Cellular Organization

The product of the cdc2 gene is