Following are the some statement . Choose the correct one?

a. Primary Lysosomes are also called storage granules, protolysosomes or virgin lysosomes. Primary lysosomes are newly formed organelles bounded by a single membrane and typically having a diameter of 100 nm. They contain the degradative enzymes which  participate in digestive process. 

b. Heterophagosomes are also called heterophagic vacuoles, heterolysosomes or phagolysosomes. Heterophagosomes are formed by the fusion of primary lysosomes with cytoplasmic vacuoles containing extracellular substances brought into the cell by any of a variety of endocytic processes.

c. Autophagosomes are able to digest intracellular structures including mitochondria, ribosomes, peroxisomes and glycogen granules. 

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#Question id: 32924

#Unit 2. Cellular Organization

Which of the following enzyme's activity is constant through the cell cycle?

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#Question id: 1218

#Unit 4. Cell Communication and Cell Signaling

Hormones are chemical substances produced in one organ that are released into the bloodstream and affect the function of a target organ. Which of the following conditions is required for the target organ to respond to a particular hormone?

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#Question id: 8900

#Unit 9. Diversity of Life Forms

Which of the following statements about craniates is (are) correct?

1. Craniates are more highly cephalized than are non-craniates.

2. Craniatesʹ genomic evolution includes duplication of clusters of genes that code for transcription factors.

3. The craniate clade is synonymous with the vertebrate clade.

4. Pharyngeal slits that can assist in gas exchange originated in craniates,

5. The two-chambered heart originated with the early craniates.

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#Question id: 28954

#Unit 7. System Physiology – Animal

Each follicular cell surrounded by parafollicular cell which are responsible for secretion of calcitonin which is a Ca2+ releasing hormone, is called as____

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#Question id: 18919

#Unit 13. Methods in Biology

What are REP1 and REP2 genes in the plasmid used for?