Which of the following are similar in structure to cholesterol?

I) estradiol

II) insulin

III) glucocorticoids

IV) testosterone

V) antidiuretic hormone

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#Question id: 5225

#SCPH06 I Botany

Homeotic genes contain a homeobox sequence that is highly conserved among very diverse species. The homeobox is the code for that domain of a protein that binds to DNA in a regulatory developmental process. Which of the following would you then expect?

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#Question id: 674

#SCPH01 Biochemistry

Proline is not often found in a-helices of proteins because it

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#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 ;

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#Question id: 1674

#I Life Science/ Life Sciences Group – I-V

Which of the following statements is TRUE of receptor editing?

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#Question id: 5545

#I Life Science/ Life Sciences Group – I-V

The placenta functions as a(n):