Hydrogen bonds can occur when hydrogen is covalently bonded to atoms like nitrogen and oxygen. What property of nitrogen and oxygen is important for this?

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#Question id: 2082

#SCPH05 I Biotechnology

Which of the cellular organelles are enclosed by two cellular membranes?

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#Question id: 15537

#SCPH05 I Biotechnology

Which of the following statement is incorrect regarding T-Coffee?

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#Question id: 12672

#SCPH06 I Botany

Following are given some prediction about stress response which ultimately generate ROS;

a) Stress response activates the scavenging mechanism by ROS , these ROS is responsible for activating self-generation  mechanism by using RBOH

b) ROS have a negative effect on plant growth,  development,  and  yield

c) Almost every stress leads to the activation of ROS and its signal transduction

d) ROS indirectly induce acclimation mechanisms

Which of the following is the correct prediction about ROS activated by stress response?

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#Question id: 8687

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

Your professor wants you to construct a phylogenetic tree of orchids. She gives you tissue from seven orchid species and one lily. What is the most likely reason she gave you the lily?

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#Question id: 5014

#SCPH06 I Botany

 Following geological time period and major evolutionary event?

I. Devonian                            A. Gymnosperms dominant

II. Jurassic                               B. Amphibians diversify; first reptiles

III. Carboniferous                  C. Mammals appear

IV. Triassic                           D. Seed plants appear