Answer:
E. All choices are accurate representations of DNA.
Explanation:
DNA consists of a shape like a common known 'Double Helix' which is possible because it is made up of building blocks (chemical) known to us as nucleotides. Nucleotides are made up of monomers such as
- phosphate group
- a sugar group
- One of four types of nitrogen bases (Four types of nitrogen bases...adenine, guanine, cytosine, or thymine)
DNA is a polymer which is, yes, made up of the monomers 'nucleotides'
Answer:
Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple. Litmus can also be prepared as an aqueous solution that functions similarly.
Explanation:
So that it is easier to see the parts of the onion tissue in another color
Answer:
4 Charles Darwin was not able to explain the variation
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