Which is not a direct precursor of pyrimidines in their de novo biosynthesis?

TLS Online TPP Program

#Question id: 693

#Unit 1. Molecules and their Interaction Relevant to Biology

In an alpha helix, the R groups on the amino acid residues:

TLS Online TPP Program

#Question id: 24562

#Unit 4. Cell Communication and Cell Signaling

Major pathway of complement activation is involved such as

I. Classical pathway

II. Lectin pathway

III. Alternative pathway

These pathway involved

a. proceeds through the activation of a C3 convertase composed of C4b and C2a

b. Involved spontaneous hydrolysis or pathogenic surface

c. part of the adaptive immune response since it begins with the formation of antigen-antibody complexes.

d. Lectin proteins that recognize specific carbohydrate components primarily found on microbial surfaces—PAMP

TLS Online TPP Program

#Question id: 4190

#Unit 3. Fundamental Processes

Which statement is false about polysomes?

TLS Online TPP Program

#Question id: 32297

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the structure shown

TLS Online TPP Program

#Question id: 26541

#Unit 3. Fundamental Processes

Which of the following activities are found in TFIIH  

a. ATPase

b. helicases

c. kinase

d. Ubiquitinylate