1. When crossing an organism that is homozygous recessive for a single trait with a heterozygote, what is the chance of producing an offspring with the homozygous recessive phenotype?  

31. Denatured enzymes can be reused as long as their substrate is small enough to fit in the active site. 

26. The following image depicts which phase of meiosis in gamete production? A) Prophase I B) Interphase C) Metaphase II D) Anaphase I

20. You are studying a DNA gene with the sequence TAC CCG CGT . Based on the amino acid chart provided, what would your three amino acids be for this particular segment of the gene?

10. Which of the following mRNA transcripts would be created from the DNA represented below? 3′ – TACCGATC – 5′

1. Beginning with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?  A) 4  B) 8  C) 16  D) 32  E) 64

7. In animal cells, glycolysis occurs in the   A) cytosol.   B) outer mitochondrial membrane.   C) inner mitochondrial membrane.   D) mitochondrial matrix.   E) nucleus.

28. Aerobic respiration produces more ATP than anaerobic respiration per molecule of glucose. 

38. Which of the following stages of mitosis is represented in the image below?

22. All of the following are ways to regulate the cell cycle and cell number except: A) density dependent inhibition B) apoptosis C) glucose oxidation D) cyclin proteins