Answer: Natural selection occurs when one allele (or combination of alleles of different genes) makes an organism more or less fit, that is, able to survive and reproduce in a given environment. If an allele reduces fitness, its frequency will tend to drop from one generation to the next.
Explanation:
Answer:
. If water is at 26ºC and has a salinity of 34%, its density is 1.023 g/cm3.
Explanation:
Vwater=∣∣∣¯¯¯¯¯¯¯¯¯¯¯¯¯10.0 mL−−−−−−−∣∣∣→at a temperature of 20∘C
3A)Amino acids-peptide
3B)Enzymes–speed up
3C)Active sites–substrate
3D)Unchanged
3E)[follow the instructions given]
4A)DNA—RNA
4B)Nucleotide—Deoxyribose–Phosphate–Nitrogen base
4C)DNA
4D)Thymine–Adenine—Cytosine–Guanine
4E)Hydrogen bonds