Introductory Biology-Fall 2004 Instructors: Professor Eric Lander, Professor Robert A. Weinberg, Dr. Claudette Gardel Your Name:

Indicate whether each of the following statements is true or false. If false, correct the statement or provide a brief explanation for why it is false ODNA replication is initiated at promoter sequences in the dNA ii)RNA polymerase requires primers to initiate RNA synthesis

Match each boxed chemical interaction in the structures below with the appropriate description. 10 pts van der Waals interaction phosphodiester bond

Question 1 Shown below are the structures of three amino acids

Notes LECTURE Biochemistry 9.17.04 ATP is both a unit of energy currency in a cell and a building block of RNA. Why? It is believed that early in evolution there were very few molecules around. Many key pathways are ancient, and trace their origin to the early stages of evolution of life on Earth. Incidentally, such pathways are usually highly conserved in modern organisms. This is probably because once

You have isolated cells from an alien organism called Sacul Sinned ed. You want to know if these cells contain proteins that are similar to the cyclins found in eukaryotic cells. To this end, you

7.012: Introductory Biology-Fall 2004 Instructors: Professor Eric Lander, Professor Robert A. Weinberg, Dr. Claudette Gardel Big Idea 1: Biology is based on observational and experimental science. 1. We think what we think because we can draw conclusions from the results of controlled experiments. 2. An informative experiment is designed to distinguish between hypotheses

Plasma membrane Mitochondrion Nucleus cytoplasm Endoplasmic Reticulum K Golai Apparatus Outside the Cell EUKARYOTIC CELL

MIT Biology Department 7.012: Introductory Biology -Fall 2004 Instructors: Professor Eric Lander, Professor Robert A Weinberg Dr Claudette Gardel BigIdear At the molecular level, biology is based on three- dimensional interactions of complementary molecular surfaces Other important concepts

The hematopoietic system of mammals is a convenient model to use to study development and differentiation. The bone marrow transplantation experiment discussed in lecture indicates that stem cells are more than a figment of some biologist,'s fertile