Answer:
The ability of chemotherapy to kill cancer cells depends on its ability to halt cell division. Usually, cancer drugs work by damaging the RNA or DNA that tells the cell how to copy itself in division. If the cancer cells are unable to divide, they die.
Explanation:
<h3>The antiparallel arrangement of the two strands is what causes the twist. Because the strands run in opposite directions, they pull the sides of the molecule in opposite directions, causing the whole thing to twist around itself. Most naturally occurring DNA spirals clockwise.</h3>
2 covalent bonds
Explanation:
A molecule of water has two covalent bonds in it. Each attaching one oxygen to the central hydrogen atom.
O --- H ----- O
- A covalent bond is a bond type formed between non-metals.
- It involves the sharing of electrons between two chemical species to attain stability.
- Most times the electronegativity difference between the two atoms are usually low and close to zero.
- The central hydrogen atom shares electrons with both oxygen.
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Covalent bonds brainly.com/question/10901976
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I.t is scientifically proven that they have zero bones in their body
Answer: most of the world's ocean area also lies outside the legal jurisdiction of any country, thus, much of it is an open-access resource, subject to overexploitation. mark brainliest
Explanation:
