A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?

TLS Online TPP Program

#Question id: 333

#SCPH06 I Botany

Which of the following feature of RNA adds to its propensity to form double-helical structure?

TLS Online TPP Program

#Question id: 334

#SCPH05 I Biotechnology

Which of the following statements about hydrogen bonding is not true?

TLS Online TPP Program

#Question id: 334

#SCPH06 I Botany

Which of the following statements about hydrogen bonding is not true?

TLS Online TPP Program

#Question id: 335

#SCPH05 I Biotechnology

Suppose the major solutes in intact lysosomes are KCl (~0.1 M) and NaCl (~0.03 M). When isolating lysosomes, what concentration of sucrose is required in the extracting solution at room temperature (25 °C) to prevent swelling and lysis?

TLS Online TPP Program

#Question id: 335

#SCPH06 I Botany

Suppose the major solutes in intact lysosomes are KCl (~0.1 M) and NaCl (~0.03 M). When isolating lysosomes, what concentration of sucrose is required in the extracting solution at room temperature (25 °C) to prevent swelling and lysis?

TLS Online TPP Program

#Question id: 336

#SCPH05 I Biotechnology

Which would you expect to be most soluble in water?