Answer:
The DNA molecule is a polymer of nucleotides. Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). A DNA molecule is composed of two strands.
Answer:
so many processes requires oxygen to operate .
An example is the process of plants making their own food .
Answer: Of 125 students with hitchhiker's thumbs, 1/3rd would be homozygous dominant (41 students)
HH homozygous dominant
Hh heterozygous dominant
hH heterozygous dominant
hh homozygous recessive
Ribosome- both
endo reticulum- both
golgi apparatus- both
cell wall- plant only
vacuoles- plant only
lysosomes- animal only
mitochondria- both
cell membrane- both
cytoplasm- both
chloroplasts- plant only