1. Bell Work Question for 3/21/13
1. Which of the following is most effective in helping rain forest plants trap sunlight so that light energy can be converted to chemical energy?
Large root size
Small seed size
Large leaf size
Small stem

2. Bell Work Question for 3/22/13
2. The process of photosynthesis ultimately converts light energy into-
mechanical energy
nuclear energy
chemical energy
electrical energy

3. Bell Work Question for 3/25/13
3. All life depends on the availability of usable
energy. This energy is released when
organisms convert solar energy into the chemical energy found in food molecules
respiration occurs in the cells of producers and high-energy molecules enter the atmosphere
cells carry out the process of respiration
animal cells synthesize starch and carbon dioxide

4. Bell Work Question for 3/27/13
4. The bacteria that cause tetanus can survive in a puncture wound that has healed on the outer surface of the skin. Through what process do these bacteria acquire the energy they need to survive?
A aerobic respiration
B anaerobic respiration
C chemosynthesis
D photosynthesis

5. Bell Work Question for 3/28/13
5. In terms of ATP production, which process results in the most stored energy? A aerobic respiration B anaerobic respiration C fermentation D photosynthesis

6. Bell Work Question for 4/8/13
6. Which most accurately describes the difference in ATP production between aerobic respiration and anaerobic respiration? A Aerobic respiration produces more ATP than anaerobic respiration. B Anaerobic respiration produces more ATP than aerobic respiration. C Only anaerobic respiration produces measurable amounts of ATP. D Anaerobic and aerobic respiration produce the same amount of ATP.

7. Bell Work Questions for 4/9/13
7. A segment of a DNA strand has the following bases: TAC GAT. What is the complementary strand of DNA? A UAG CAU B TAG CAT C ATG CTA D AUG CUA

8. Bell Work Questions for 4/10/13
8. Chromosomes can be described as
large molecules that have only one function
folded chains of bonded glucose molecules
reproductive cells
composed of molecular bases coiled strands of genetic material

9. Bell Work Question for 4/11/13
9. Before a cell goes through either mitosis or meiosis, which process must be carried out by the DNA in the nucleus? A replication B nondisjunction C transcription D translation

10. Bell Work Question for 4/12/13
10. Which term best describes the type of cell division in which parent cells produce daughter cells with the same number of chromosomes as the parent cells? A mitosis B meiosis C spermatogenesis D oogenesis

11. Bell Work Question for 4/22/13
11. Which relationship is most similar to the relationship below? tRNA : ribosome A book : publisher B truck : factory C key : lock D baker : pie

12. Bell Work Question for 4/25/13
12. Which sequence represents the correct order of processes that result in the formation and development of an embryo?
meiosis → fertilization → mitosis
mitosis → fertilization → meiosis
fertilization → meiosis → mitosis
fertilization → mitosis → meiosis

13. Bell Work Question for 4/26/13
13. The sequence of events occurring in the life cycle of a bacterium is listed below. (A) The bacterium copies its single chromosome. (B) The copies of the chromosome attach to the cell membrane of the bacterium. (C) As the cell grows, the two copies of the chromosome separate. (D) The cell is separated by a wall into equal halves. (E) Each new cell has one copy of the chromosome. This sequence most closely resembles the process of (1) recombination (2) zygote formation (3) mitotic cell division (4) meiotic cell division

14. Bell Work Question for 4/29/13
14. What is the primary cause of variation in the offspring of sexually reproducing organisms? A cytoplasmic division B environmental changes C mutation D recombination of alleles

15. Bell Work Question for 4/30/13
15. Sexual reproduction provides for what to occur? A cloning B budding C genetic stability D genetic variation

16. Bell Work Question for 5/2/13
16. Huntington’s disease is a dominant trait. What are the chances that a child will develop Huntington’s disease if one parent is heterozygous and the other is normal? A 0 out of 4 B 1 out of 4 C 2 out of 4 D 3 out of 4

17. Bell Work Question for 5/3/13
17. Several matings between the same male black guinea pig and female brown guinea pig produce a total of 12 brown and 14 black guinea pigs. If black is dominant and brown is recessive, what are the genotypes of the parents? A BB × bb B Bb × bb C BB × Bb D Bb × Bb

18. Bell Work Question for 5/6/13
18. Most sex-linked, recessive traits– including hemophilia and color blindness–appear in males. This phenomenon is best explained by which statement? A Males have an X chromosome with dominant genes. B Most of the genes on the X and Y chromosomes of males are recessive. C In males, the recessive sex-linked genes appear only on the Y chromosome. D In males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosome.

19. Bell Work Question for 5/7/13
19. Some flowers show incomplete dominance. If RR = red RR’ = pink and R′R′ = white, which phenotypic ratio would be expected in the offspring of two pink flowers? A 1 red : 2 pink : 1 white B 0 red : 4 pink : 0 white C 3 red : 0 pink : 1 white D 4 red : 0 pink : 0 white

20. Bell Work Question for 5/8/13
20. A couple has five children, all with blood type A. The mother’s blood type is O, and the father’s blood type is A. Based on this information, which describes the most probable genotype of the father? A diploid B haploid C heterozygous D homozygous

21. Bell Work Question for 5/9/13
21. A plant nursery only grew one type of tomato plant. All of their tomato plants died from the same disease. What was most likely true of the tomato plant population? A They had a lot of resistance to disease. B They had a few plants that were resistant to the disease. C They had too much variation in their genes. D They had little variation in their genes.

22. Bell Work Question for 5/10/13
22. Which would most likely favor species survival in changing environmental conditions? A genetic recombination B energy involvement in gamete production C length of life cycle D number of offspring produced

23. Bell Work Question for 5/14/13
23. Which is the best evidence of an evolutionary relationship between two organisms? A similarity in behavior B similarity in DNA C similarity in habitat D similarity in niche

24. Bell Work Question for 5/15/13
24. Which could be considered biochemical evidence of an evolutionary relationship? A absence of vestigial structures B presence of embryonic gill slits C similar anatomical structures D presence of identical proteins