Members of the Poaceae family, which includes all of the cereal crops, use benzoxazinoids alkaloids are derived from,

TLS Online TPP Program

#Question id: 10522

#Section 6: Plant, Animal and Microbial Biotechnology

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 ;

TLS Online TPP Program

#Question id: 403

#Section 2: General Biology

For the reaction A -> B, DG'° = –60 kJ/mol.  The reaction is started with 10 mmol of A; no B is initially present.  After 24 hours, analysis reveals the presence of 2 mmol of B, 8 mmol of A. Which is the most likely explanation?

TLS Online TPP Program

#Question id: 2076

#Section 3: Genetics, Cellular and Molecular Biology

An organism with a cell wall would most likely be unable to take in materials through:

TLS Online TPP Program

#Question id: 107

#Section 2: General Biology

Ethanolamine, serine and choline can be cleaved from glycerophospholipids by treatment with

TLS Online TPP Program

#Question id: 14197

#Section 5: Bioprocess Engineering and Process Biotechnology

What is the generation time of a bacterial population that increases from  10,000 cells to 10,000,000 cells in four hours of growth?