#Question id: 1628
#SCPH28 | Zoology
The classical and alternative pathways meet at complement component:
#Question id: 3679
#SCPH06 I Botany
A mutation in an E. coli cell becomes active half-way through a round of replication. The cell completes the round of replication normally but then cannot start a second round. Which protein could be mutated?
#Question id: 4320
#SCPH28 | Zoology
Forms of the Ras protein found in tumors usually cause which of the following events to occur?
#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 ;
#Question id: 1263
#SCPH06 I Botany
The major classes of CAMs include
a. cadherins. b. fibronectin. c. Ig-superfamily CAMs. d. P-selectins.