TLS Online TPP Program

#Question id: 10525


The major cyanogenic glycoside in_____i______ is _____ii______.

a) i-sorghum, ii-Amygdalin

b) i-sorghum, ii-dhurrin

c) i-Cassava, ii-lotaustralin

d) i-Cassava, ii-linamarin

Which one is incorrect combination of cyanogenic glycoside?

#Unit 6. System Physiology – Plant
  1. A and B    
  2. Only C
  3. Only A       
  4. B and D
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TLS Online TPP Program

#Question id: 4519

#Unit 3. Fundamental Processes

Some steroid hormone receptors function in the nucleus as transcription activators, stimulating the transcription of certain genes when a particular steroid hormone signal is present. When the hormone is absent, the receptor proteins revert to a repressor conformation, preventing the formation of PICs. It is an example of;

TLS Online TPP Program

#Question id: 9182

#Unit 9. Diversity of Life Forms

Imagine that a deep temperate zone lake did not turn over during the spring and fall seasons. Based on the physical and biological properties of limnetic ecosystems, what would be the difference from normal seasonal turnover?

TLS Online TPP Program

#Question id: 15118

#Unit 8. Inheritance Biology

In dominant disorder only normal/affected individuals are appeared in population then what will be the correct expression of Hardy-Weinberg principle

TLS Online TPP Program

#Question id: 28341

#Unit 5. Developmental Biology

Axis specification especially anterior and posterior axis by maternal effect gene such as___
a) engrailed
b) Bicoid 
c) Gurken protein 
d) Torpedo receptor
e) Nanos

TLS Online TPP Program

#Question id: 15152

#Unit 8. Inheritance Biology

In this problem we will explore some of the many ways that mutations in two different genes can interact to produce different Mendelian ratios. Consider a hypothetical insect species that has red eyes. Imagine mutations in two different unlinked genes that can, in certain combinations, block the formation of red eye pigment yielding mutants with white eyes. In principle, there are two different possible arrangements for two biochemical steps responsible for the formation of red eye pigment. The two genes might act in series such that a mutation in either gene would block the formation of red pigment. Alternatively, the two genes could act in parallel such that mutations in both genes would be required to block the formation of red pigment.
Further complexity arises from the possibility that mutations in either gene that lead to a block in enzymatic activity could be either dominant or recessive. If the crosses is made between a wild type insect with red eyes and a true breeding white eyed strain with mutations in both genes. Such considerations yield the Pathways in series with dominant mutations in both genes, determine the phenotype of the F1 progeny and the expected phenotypic ratio of red to white eyed insects in the F2.