An organism with a cell wall would most likely be unable to take in materials through:

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#Question id: 5745

#Unit 8. Inheritance Biology

Consider a species with a diploid (2n) number of 16 chromosomes. How many chromosomes would be found in a trisomic body cell?

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#Question id: 3688

#Unit 3. Fundamental Processes

Which of the following enzyme has a unique ability to introduce positive and negative supercoiling of the DNA and it is the target for antibacterial agents such as ciprofloxacin/quinolones?

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#Question id: 23766

#Unit 7. System Physiology – Animal

The sensory receptors for vision are:

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#Question id: 28054

#Unit 1. Molecules and their Interaction Relevant to Biology

During the unfolding of a helix, breakage of each hydrogen bond requires about 2 kJ/mol. This implies: 

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#Question id: 8287

#Unit 9. Diversity of Life Forms

The following phylogeny shows six living species (a-f) and five ancestral (now extinct) species (#1-5). If the phylogeny had been developed on the basis of similarities in bone structure, which of the following predictions would you make in terms of the structure of a particular enzyme?