What does recent evidence from molecular systematics reveal about the relationship between grades and clades?

TLS Online TPP Program

#Question id: 32524

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following sequential reactions correctly represent(s) 

a. NADH dehydrogenase → Ubiquinone → Cytochrome bc1 → Cytochrome c → Cytochrome c oxidase

b. NADH dehydrogenase → Succinate dehydrogenase → Ubiquinone → Cytochrome c → Cytochrome bc1 → Cytochrome c oxidase

c. NADH dehydrogenase → Ubiquinone → Alternative oxidase

d. NADH dehydrogenase → Alternative oxidase → Ubiquinone

TLS Online TPP Program

#Question id: 32576

#Unit 2. Cellular Organization

Microtubules are generally nucleated from a specific intracellular location known as a microtubule-organizing center where: 

TLS Online TPP Program

#Question id: 32577

#Unit 2. Cellular Organization

Which of the following binds to and stabilizes microtubules & causing a net increase in tubulin polymerization?

TLS Online TPP Program

#Question id: 32578

#Unit 2. Cellular Organization

In budding yeast, microtubules are nucleated at an MTOC that is embedded in the nuclear envelope as a small, multilayered structure called:

TLS Online TPP Program

#Question id: 32579

#Unit 2. Cellular Organization

In many cells, the minus ends of microtubules are stabilized by association with:

a. Capping proteins

b. Kinesin-13

c. Dynein

d. γ-TuRC

TLS Online TPP Program

#Question id: 32580

#Unit 2. Cellular Organization

Which of the following conventional kinesin carries membrane- enclosed organelles away from the cell body toward the axon terminal?