#Question id: 1098
#SCPH06 I Botany
Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?
#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: 3853
#SCPH01 Biochemistry
In E. coli, promoter sequences are located at which of the following position(s) on the template strand?
#Question id: 14120
#SCPH05 I Biotechnology
Which of the following is not a variant of BLAST?
#Question id: 3663
#SCPH06 I Botany
_______________ is a specific RNase which cuts RNA–DNA hybrids; involved in replication of ColE1-like plasmids.