Answer:
D. Finding the possible traits of the offspring of two plants whose genes are known
Explanation:
Punnett Squares are used by applying both of the genes of the parent organisms to find the possible traits of the offspring.
Awnser:
Arteries
Explanation:
Arteries have a higher amount of elastin than veins. Thus, veins have a higher ratio of collagen to elastin thsn do arteries
Answer: D) The number of atoms of each element of the protein
Explanation: A chemical formula of a protein or any compound is the representation of the number of atoms of each element present in that protein or compound using chemical symbols and numbers. A symbol of an element consists of either the initial letter or the initial letter with one small letter from its name. Examples: symbol of carbon atom is C and the symbol of calcium atom is Ca. In writing chemical formula of a compound, the number of atoms of an element present in the compound is usually written as a subscript to the symbol of that element. Example: The chemical formula of glucose is C6H12O6, this means that there are six carbon atoms, twelve hydrogen atoms and six oxygen atoms in one molecule of glucose.
Answer:
A parasite is an organism that lives within or on a host. The host is another organism. The parasite uses the host's resources to fuel its life cycle. It uses the host's resources to maintain itself.
Explanation:
Answer:
Explanation:
In 1869, Friedrich Miescher isolated "nuclein," DNA with associated proteins, from cell nuclei. He was the first to identify DNA as a distinct molecule. Phoebus Levene was an organic chemist in the early 1900's. He is perhaps best known for his incorrect tetranucleotide hypothesis of DNA.