#Question id: 4732
#SCPH28 | Zoology
What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?
#Question id: 9050
#SCPH28 | Zoology
If an ecologist were studying the regional interactions among multiple populations of different species and how they influence the exchange of materials between their various environments, then this would be an example of which kind of research?
#Question id: 3018
#SCPH28 | Zoology
In the growth curve of a bacteria population, the bacteria are rapidly increasing in number in the
#Question id: 1689
#SCPH01 Biochemistry
The intermolecular forces that contribute to the interaction between antibody and antigen:
#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 ;