#Question id: 1555
#I Life Science/ Life Sciences Group – I-V
which type of amino acid in polypeptide position 9 is favoured interaction which MHC class 1?
#Question id: 11103
#I Life Science/ Life Sciences Group – I-V
A key mechanism of gas transport through the tracheal system is
#Question id: 18638
#SCPH05 I Biotechnology
#Question id: 10522
#SCPH05 I 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 ;
#Question id: 770
#SCPH06 I Botany
MicroRNAs contribute to the regulation of gene expression through: