What percent of the parental DNA (generation 0) remains in generation 4 according to the semi-conservative model of replication?
a. 100%
b. 25%
c. 50%
d. 75%
a. 100%
You might also like to view...
Secretion of _____ stimulates breakdown of bone
a. glucagon c. thyroid hormone b. melatonin d. parathyroid hormone
The __________ is the pelvic girdle, pectoral girdle, and paired limbs. Fill in the blank(s) with the appropriate word(s)
Over 50 percent of all sales of medically important antibiotics in the United States are for livestock use. Why is this problematic for humans?
A. The use of antibiotics for livestock means that there are not enough for use in the human population. B. The animals may become sick from the antibiotic ingestion. C. Resistant bacteria grow in the animals and may then be passed to humans. D. The livestock will become resistant to the antibiotics and not respond to treatment when they have infections.
Scientists often stain chromosomes from mitotic cells and photograph the chromosomes in the microscope. Each chromosome is cut out of the photograph, the chromosomes are matched up in homologous pairs and they are placed in order of decreasing size. These pictures can be used to screen individuals for chromosomal abnormalities, like extra, missing or grossly altered chromosomes. What is such a picture called?
a) prokaryote b) eukaryote c) karyoplan d) karyokinesis e) karyotype