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Compare and contrast the features of eukaryotic DNA and RNA

Both DNA and RNA a nucleic acids, made up of nucleotides, that encode genetic information. A nucleotide is a molecule composed of phosphate, sugar and a base, and these nucleotides bind to one another to for...
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Answered by Sophia A. Biology tutor
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How do populations of bacteria develop antibiotic resistance?

There is VARIATION amongst the population due to naturally occuring MUTATION during DNA replication . The antibiotics act as a SELECTION PRESSURE, so only the bacteria with the allele for antibiotic resistan...
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Answered by Leila G. Biology tutor
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Oxygen is exchanged between the blood capillaries and the tissues. Give two ways in which capillaries are adapted for exchanging blood with the tissues.

Thin walls for short diffusion path 2. Narrow, so have a large surface area to volume ratio
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Answered by Leila G. Biology tutor
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What endocrine glands regulate sexual activity in males? How does this regulation work and what hormones are involved?

Here are the endocrine glands that regulate sexual activity in males: 1) the hypophysis (aka. the pituitary); 2) the adrenal glands; 3) the gonads (testicles). - - - - - - - - - - - - - It's pretty much all ...
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Answered by Lydia T. Biology tutor
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Explain the process of translation

In short, translation is the synthesis of proteins by ribosomes in the cell. It follows after the process of transcription in which a molecule of mRNA is copied from DNA to produce a specific base sequence. ...
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Answered by James H. Biology tutor
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