Why was it difficult ot use DNA as evidence in a crime before PCR was invented

Where is oceanic crust thickest?

6. At what level of specificity can DNA be used to distinguish organisms from one another? O A. It can be used to distinguish one species from another species. O B. It can be used to distinguish a class of organisms from another class. O C.

The process in which a gene from one organism is inserted into the DNA of another organism

Regarding plasma membranes, which of the following statements is false? (A) Cholesterol can increase the fluidity of plasma membranes that are rich in saturated fatty acids.

A small white exophytic lesion on the palate is a benign lesion composed of squamous epithelial cells. Papillary projections are arranged in a cauliflower-like appearance. It is most likely ...

Which conditions lead to a slower rate of weathering? Select two options. 1. porous rocks 2. cold climates 3. hard minerals 4. high temperatures 5. low moisture levels

What is the relationship between these two structures enantiomer?

Identify what structures in a skeletal muscle will shorten in length during contraction of the muscle. choose all that apply. (0.5 pts)

What mechanisms are in place to prevent the continuous stimulation of a muscle fiber after the neurotransmitter is released from the presynaptic membrane?

According to the Hardy-Weinberg principle, genetic equilibrium would be more likely in a population of mice if :