How can molecular biology be used to trace the process of evolution?

1. Suppose a dominant allele (N) codes for a big nose and a recessive allele (n) codes for a small nose. Imagine that an organism receives a dominant allele from its mom and a dominant allele from its dad.

Hugh wrote the characteristics of two types of galaxies as shown below: Type A: Has a central core from which curved arms come out Type B: Forms a perfect sphere or a smooth flattened oval Which statement is correct?

1. What two factors determine the traits inherited by an organism?

High level radioactive wastes: a. are produced by nuclear power plants and nuclear weapons facilities. b. can be safely and permanently disposed of c. do not include spent fuel rods and tailings from uranium mining. d. have very short half-lives. e.

Which scenario would most likely NOT lead to speciation? A) A flood washes a few lizards or insects to a new island. B) Neighboring herds of elk misinterpret each other's mating behaviors, causing them to fight instead of mate.

Is composed of individuals who are separated geographically but linked by communications technology?

Two populations of the same fish species were fed different diets to investigate the effect of differing nutrition on their growth. What is an appropriate method to determine the significance of a resulting difference? A.

The ATP that is generated in glycolysis is produced by substrate-level phosphorylation, a very different mechanism than the one used to produce ATP during oxidative phosphorylation.

Where does most of the metabolic activity in a cell occur? in the DNA in the cytoplasm in the cell wall in the nucleus In multicell organisms, which is the most complex level of cellular organization? tissues systems organs cells

What Major factors determines the Stage that a star completes in its cycle