Key to Exam #3
Each answer and each explanation was worth 2 points unless it says otherwise. The explanations given below are longer
and more comprehensive than those required on the exam - you didnt need to write this much!
Intro Bio Exam 1 Oct. 4, 2013
KEY 2013 for 2014
Unless instructed otherwise, circle or write in all correct answers and explain your circled choices.
1. In a past question for exam 1, students were asked: Suppose bacteria were found on Mars but their prot
Intro Bio Exam 1 Oct. 2, 2014
1. Consider this idealized description of fibroin, the protein that makes up silk. Fibroin contains
a single polypeptide chain of 5291 amino acids (AA) that starts with a 151 AA C-terminal
Review Questions for Exam #4
This is exam #4 of 13. A few questions have been modified to make them better, but most of this is exactly the
same as last years final exam. You should be able to explain ALL answers.
1. Consider two unlinked
Key to Review Questions for Exam #4
Unless stated otherwise, each answer was 2 pts and each explanation 2 pts.
1. A-1. How many different genotypes are possible in the offspring of this couple? _6_
A-2. How many different phenotypes are po
Exam #4 with Answers
Each Answer and each explanation was worth 2 pts unless otherwise indicated.
1. Look at pedigree #1 on the info page https:/courseworks.columbia.edu/x/oJgZri The pedigree shows the
inheritance of an X linked gene (Gene