Answer:
Explanation:
Mechanical digestion physically breaks down food, like when teeth macerate food into a bolus. The stomach contracts and relaxes in a churning motion. ... Chemical digestion occurs when the bonds within larger food molecules are broken, creating smaller molecules that the body can use.
Answer:
"polygenic" Can i have brainliest please
Human skin color is a polygenic trait. That means that it is influenced by many genes. It is known few hundreds of genetic loci that are involved in the determination of skin color.
Answer:
B
Explanation:
Its not A or C bc there is no thymine in a RNA strand. Its not D bc it doesn't match the complementary DNA strand.
The right answer is DNA is located in the nucleus.
The genome is the whole genetic material of an organism. It contains both the coding sequences, i.e. those that encode proteins, and the non-coding sequences. In most organisms, the genome is the DNA in the cells. However, in some viruses called retroviruses (eg HIV), the genetic material is RNA.
