Practice Questions

TLS Online TPP Program

#Question id: 5315

In humans, the embryonic and fetal forms of hemoglobin have a higher affinity for oxygen than that of adults. Why is this the case?

#Part-B Specialized Branches in Biotechnology

Nonidentical genes produce different versions of globins during development.
Pseudogenes interfere with gene expression in adults.
The attachment of methyl groups to cytosine following birth changes the type of hemoglobin produced.
Histone proteins change shape during embryonic development.

More Questions

#Question id: 11458

#Part-B Specialized Branches in Biotechnology

A person able to hear only low-frequency sounds would probably have which of the following structural problems in the ear?

#Question id: 11458

#Part-A Aptitude & General Biotechnology

A person able to hear only low-frequency sounds would probably have which of the following structural problems in the ear?

#Question id: 11459

#Part-B Specialized Branches in Biotechnology

Partial or complete loss of hearing (deafness) can be caused by damage to the ________.

I) axons of the neurons associated with each hair cell that carry information to the brain

II) hair cells (the sensory receptors) in the cochlea

III) tympanic membrane, or eardrum

#Question id: 11459

#Part-A Aptitude & General Biotechnology

Partial or complete loss of hearing (deafness) can be caused by damage to the ________.

I) axons of the neurons associated with each hair cell that carry information to the brain

II) hair cells (the sensory receptors) in the cochlea

III) tympanic membrane, or eardrum

#Question id: 11460

#Part-B Specialized Branches in Biotechnology

The round window ________.

I) dampens fluid vibrations

II) collects sound pressure waves

III) detects the frequency of sounds

#Question id: 11460

#Part-A Aptitude & General Biotechnology

The round window ________.

I) dampens fluid vibrations

II) collects sound pressure waves

III) detects the frequency of sounds