Which of the following is NOT a polysaccharide?

TLS Online TPP Program

#Question id: 2190

#XL - S Microbiology

Membrane carbohydrates occur as:

TLS Online TPP Program

#Question id: 15478

#XL - S Microbiology

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 

TLS Online TPP Program

#Question id: 11077

#XL - T Zoology

A person’s normal tidal volume is 400 ml with a dead space of 100 ml. The respiratory rate is 12 breaths/min. The person is placed on ventilator for surgery and the tidal volume is 700 with a rate of 12. What is the approximate alveolar Pco2 for this person?

TLS Online TPP Program

#Question id: 6944

#XL - T Zoology

Which would lead to a dorsalized embryo? (Recall that genes in Drosophila are named for their mutant phenotype.

TLS Online TPP Program

#Question id: 12567

#XL - R Botany

Which of the following is true about the current research about forest fragmentation?