TLS Online TPP Program

#Question id: 1930


Which of the following molecules are NOT used by tumor associated macrophages to generate an anti-inflammatory environment within a tumor?

#Unit 4. Cell Communication and Cell Signaling
  1. PD-L1

  2. IL-10

  3. Arginase

  4. Vascular endothelial growth factor A (VEGF-A)

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TLS Online TPP Program

#Question id: 29436

#Unit 6. System Physiology – Plant

Which of the following is incorrectly paired 
a. NodA is an N-acyltransferase
b. NodB is a chitin-oligosaccharide deacetylase
c. NodB is a N-acyltransferase
d. NodC is a chitin-oligosaccharide synthase
f. NodC is a chitin-oligosaccharide deacetylase

TLS Online TPP Program

#Question id: 11735

#Unit 6. System Physiology – Plant

In cytokinin biosynthesis is the addition of the isopentenyl side chain from DMAPP to an adenosine moiety. The plant and bacterial IPT enzymes differ substrate used;

a) the bacterial enzyme utilizes AMP

b) the plant enzyme appears to utilize AMP

c) the bacterial enzyme utilizes both ADP and ATP

d) the plant enzyme appears to utilize both ADP and ATP

TLS Online TPP Program

#Question id: 1346

#Unit 4. Cell Communication and Cell Signaling

Although the protein families that comprise the ECM are very different, they have one of the following characteristics in common:

TLS Online TPP Program

#Question id: 7274

#Unit 5. Developmental Biology

The following experiment is designed to study the role of several hormones in the regulation of metamorphosis in frogs.

Group #

Treatment

Days to Metamorphosis

1

Saline

30

2

Prolactin

> 100

3

TSH

15

4

Thyroxine

10

5

Corticosterone

30

6

Thyroxine + Corticosterone

5

7

Prolactin + TSH

30

8

Thyroid gland removed

> 100

 If the thyroid gland were removed from the tadpoles in Group 3, metamorphosis would

TLS Online TPP Program

#Question id: 10349

#Unit 6. System Physiology – Plant

Elevated plastid levels of glutamine stimulate the activity of glutamate synthase (also known as glutamine:2- oxoglutarate aminotransferase, or GOGAT). Given below some of the statements about GOGAT, which one of the following is incorrect?