Which feature of cycads distinguishes them from most other gymnosperms? 

1. They have exposed ovules

2. They have flagellated sperm

3. They are pollinated by animals

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#Question id: 15604

#Unit 12. Applied Biology

The bacteria which cause septicaemia are fast becoming resistant to the antibiotics used for controlling them. Which one of the following explanations fits best?

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#Question id: 10516

#Unit 6. System Physiology – Plant

Which one are consistent with an important defense-activating role in the regulation of antiherbivore defense mechanisms in plants.

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#Question id: 330

#Unit 1. Molecules and their Interaction Relevant to Biology

Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become

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#Question id: 784

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not a difference between B-DNA and A-DNA?

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#Question id: 4302

#Unit 3. Fundamental Processes

Which one of the following proteins is involved in promoter recognition in eukaryotes?