DNA is bound together by covalent bonds between different molecules. It also contains proteins, which again are held together in their specific structures by covalent bonds.
Covalent bonds may be broken when high temperatures are applied. The temperatures that a food encounters during the cooking cause the DNA to be denatured, meaning it cannot be extracted. The same occurs with other proteins such as enzymes and antibodies.
Answer:
B
Explanation:
The experimental drug has a direct effect on the dependent variable which is the presence of the headache.
Answer:
that's an abiotic life form
Convection occurs in water so I'll say its conduction
D. they are homologous
homologous is when the organs/limbs etc are similar in position and structure but the function doesn’t have to be the same