TLS Online TPP Program

#Question id: 2080


Which of the following factors would tend to increase membrane fluidity?

#Unit 2. Cellular Organization
  1. a greater proportion of unsaturated phospholipids

  2. a greater proportion of saturated phospholipids

  3. a lower temperature

  4. a relatively high protein content in the membrane

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TLS Online TPP Program

#Question id: 3696

#Unit 3. Fundamental Processes

In eukaryotes, which of the following DNA polymerase is required for mitochondrial DNA replication?

TLS Online TPP Program

#Question id: 11557

#Unit 7. System Physiology – Animal

Which of the following has both endocrine and exocrine activity?

TLS Online TPP Program

#Question id: 7308

#Unit 5. Developmental Biology

In Arabidopsis thaliana, the transition to flowering involves multiple factors, pathways and meristem identity genes. Following statements regarding to the mechanism and function of meristem identity genes.

 A. FT mRNA is expressed in companion cells of the leaf vein in response to multiple signals, including day length, light quality, and temperature.

 B. The FT–FD complex activates AP1 in the inflorescence meristem and SOC1 in the floral meristem, which triggers LFY gene expression.

 C. LFY and AP1 trigger expression of the floral homeotic genes.

 D. FLC acts as a negative regulator of SOC1 in the meristem and as a negative regulator of FT in the leaves.

 Which of the following is incorrect?

TLS Online TPP Program

#Question id: 23588

#Unit 13. Methods in Biology

Bacterial artificial chromosomes (BACs) require ________ in order to successfully enter into bacterial cells.

TLS Online TPP Program

#Question id: 12102

#Unit 10. Ecological Principles

Use the following diagram of Joseph Connell's study of barnacle distribution in Scotland to answer the following two questions


Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?