Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule

TLS Online TPP Program

#Question id: 11516

#Unit 10. Ecological Principles

What type of survivorship curve do humans have?

TLS Online TPP Program

#Question id: 33344

#Unit 2. Cellular Organization

Which of the following enzyme insert cell wall precursors into the growing point of the cell wall and interacts with bactoprenol? 

TLS Online TPP Program

#Question id: 33986

#Unit 2. Cellular Organization

What is the relationship between the chromosome scaffold of dividing cells and the matrix of interphase cells

A. The same DNA fragments that are found within the nuclear matrix in vivo can be retrieved from the metaphase scaffold

B. Fragments containing MAR sequences can bind to a metaphase scaffold; it is likely that DNA contains a single type of attachment site.

C. In interphase cells the attachment site is connected to the nuclear matrix, whereas in mitotic cells it is connected to the chromosome scaffold.

TLS Online TPP Program

#Question id: 15369

#Unit 4. Cell Communication and Cell Signaling

Changes in DNA methylation, as well as changes in the activity of histone-modifying enzymes or chromatin-remodeling complexes, are major drivers of tumorigenesis,

a. Hypermethylation of CpG dinucleotides of TSG gene causes cancer.

b. Hypomethylation of CpG dinucleotides of proto-oncogenes causes cancer.

c. SWI/SNF plays a role in repressing the expression of E2F genes.

d. Gain of SWI/SNF function, just like loss of Rb function.

Which of the statements are INCORRECT;

TLS Online TPP Program

#Question id: 12647

#Unit 6. System Physiology – Plant

Other oxygenated fatty acid-derived products, octadecanoids belong to the family of___