A process not involving the fusion of two membranes or two regions of the same membrane is:

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#Question id: 2084

#SCPH05 I Biotechnology

Which two organelles are responsible for producing phospholipids and sphingolipids?

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#Question id: 18687

#SCPH01 Biochemistry

Homology modeling involves 

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#Question id: 4314

#SCPH01 Biochemistry

A researcher introduces double-stranded RNA into a culture of mammalian cells and can identify its location or that of its smaller subsections experimentally, using a fluorescent probe. Some time later, she finds that the introduced strand separates into single-stranded RNAs, one of which is degraded. What does this enable the remaining strand to do?

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#Question id: 18387

#SCPH01 Biochemistry

Structural features that make these compounds resistant to microbial degradation include

1. substitution of H by other groups

2. heterocyclic compounds

3. branched linear chains

Which of the above are correct?

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#Question id: 10522

#I Life Science/ Life Sciences Group – I-V

Mechanical barriers provide a first line of defence against insect pests and pathogens, these mechanical barriers developed by plants;

COLUMN A	COLUMN B
A. Thorns	i) It can be found on the stem and petioles of roses and are formed by the epidermis
B. Spines	ii) Found on a lemon tree (Citrus sp.) are modified branches, as can be seen by their position in the axil of a leaf
C. Prickles	iii) Found on shoot and leaves of tomato (Solanum lycopersicum) are derived from epidermal cells
D. Trichomes	iv) which are characteristic of cacti (Opuntia spp.) in the New World, are modified leaves

Match correctly following combination of barrier developed by plants ;