Table 2.1: Benedict's test for reducing sugar. Tube
Solution
Benedict's Color Reaction
Positive or Negative
2
3
4
2 ml onion juice
2 ml potato juice
2 ml sucrose solution
2 ml reducing sugar solution
2 ml starch solution
2 ml glucose solution
2 ml distilled water
5
6
7
Questions
1. Which of these solutions is the positive control (i. e., the one you know will be positive, even
before you run the test)?
2. Which of these solutions is the negative control (i. e., the one you know will be negative, even
before you run the test)?

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.