Practice Comprehensive Examination 4 part 2

Question 1

Which IS an assumption of scientific philosophy?

Answer 1

Different events can have the same predictable
cause.

Question 2

Carbon (C) tends to make how many covalent bonds with other atoms?

Answer 2

4

Question 3

Which of the following would lower the pH of a solution?

Answer 3

addition of CO2

Question 4

Which atom is necessary to make proteins, but is NOT necessary to make carbohydrates or lipids

Answer 4

nitrogen

Question 5

Plants undergo glycolysis + cellular respiration to do which of the following?

Answer 5

make ATP for themselves

Question 6

You, as a human, directly convert glucose into which of the following molecules for short-term storage?

Answer 6

glycogen

Question 7

Which of the following structures IS found inside a bacterial cell?

Answer 7

ribosome

Question 8

A population of 300 porcupines has an rmax of 1.0 per year and a carrying capacity of 3,000.
What will the estimated porcupine population size be in one year? (round if needed)

Answer 8

570

Question 9

Clostridium-difficile-caused diarrhea is one of the greatest infectious threats in hospitals. However, most people with C. difficile in their colons do not develop diarrhea because of which of the following interactions of C. difficile with other colon bacteria?

Answer 9

amensalism

Question 10

Consider Figure 1 above and what you learned in class. Which of the following best explains the overall trend from 1958 to 2018

Answer 10

Burning of fossil fuels.

Question 11

Consider Figure 1 above and what you learned in class. Which of the following best explains the high and low variation in each year?

Answer 11

Reduced photosynthesis in the winter.

Question 12

Which of the following determines which allele becomes more common in the evolutionary process of genetic drift?

Answer 12

chance

Question 13

. Given that nitrogen is the most common molecule (N2) in the atmosphere, why are plants frequently faced with insufficient nitrogen levels?

Answer 13

Atmospheric nitrogen molecules contain a triple
bond, which is difficult to break

Question 14

The cellular process of meiosis produces which of the following?

Answer 14

four 1n cells

Question 15

The data below are genotypes from 12,000 individuals in the United States for blood Rh factor (alleles r and R). Rr and RR individuals are Rh+ and rr individuals are Rh-.
Prediction: Natural selection favoring Rh+ blood type is reducing the rr genotype frequency.
Round to two decimal places for frequencies. Table. Rh genotypes for 12,000 people in the U.S.A

The prediction above is…

Answer 15

rejected

Question 16

Which of the following best explain your results?

Answer 16

There is no evolution occurring

Question 17

Which term best describes the bacterium in the photo below

Answer 17

streptococcus

Question 18

Which of the following is most commonly associated with the evolution of increased virulence in a pathogen?

Answer 18

Easier host availability

Question 19

Which of the following is the most effective way to treat cancer in a patient and reduce the likelihood of the development of chemotherapy resistance among the cancer cells in the patient?

Answer 19

use different chemotherapies in combination

Question 20

Which of the following characteristics do cancerous tumor cells have that benign tumor cells lack?

Answer 20

able to detach from other cells around themselves

Question 21

Which of the following would cause a person to have a high hematocrit?

Answer 21

Dehydration reducing the amount of plasma.

Question 22

In what form is most blood CO2 transported?

Answer 22

dissolved as HCO3- in the plasma

Question 23

Is the prediction that “Oil Palm agriculture is associated with low bird species richness and density” supported or rejected Figure 2?

Answer 23

supported

Question 24

Which of the following is a reasonable conclusion to draw based on the graphs in Figure 2 and the information in the legend?

Answer 24

Oil Palm agriculture has an insignificant effect on
bird biodiversity.

Question 25

Which of the following is roughly what the “error” bars extending above and below the means on the right graph depict?

Answer 25

the spread of the count data around the mean