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BIO 210 EXAM 1 STUDY GUIDE QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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BIO 210 EXAM 1 STUDY GUIDE QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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BIO 210 EXAM 1 STUDY GUIDEQUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
What 3 functions of RNA mediate the "coordinate cellular activity" function of DNA - ANSWER 1. Transfer
information from DNA to Protein Synthesis Machinery (ribosome)
2. Transfer amino acids to Protein Synthesis Machinery
3. Form peptide bonds- ribosomal RNA
Name the 5 biological themes that will be encountered in this course - ANSWER 1. Mechanistic doctrine
2. Cell Theory
3. Central Dogma of Biology
4. Gene theory of inheritance
5. Cellular Evolution
What is it about the mechanistic doctrine that makes biology the most inter-disciplinary scientific
discipline - ANSWER It draws from all other sciences and cells can be studied by chemical and physical
methods
What are the three statements of the cell theory - ANSWER 1. All organisms are composed of cells
2. All cells come from pre-existing cells
3. Chemical reactions responsible for life take place within cells
If the latest Mars rover, Curiosity, found a mummified organism and demonstrated it was composed of
cells, would that increase the generality of the cell theory - ANSWER No, because it would confirm that
all organisms are composed of cells
In Crick's Central Dogma information can flow back and forth between two macromolecules but only one
way between the second and third. Name the information flow that is uni-directional - ANSWER RNA->
Protein
, Mendel proposed pairs of inherited factors that we now call genes. What is a current definition of a gene
- ANSWER Organismal characteristics determined by discrete segments of DNA
How many copies of each gene does a sexually reproducing organism generally have - ANSWER 2
In this course we will study cells, organelles, macromolecules, monomeric components of
macromolecules, and atoms. Can studying organelles help us understand better how cells work or how
macromolecules work - ANSWER It can help us better understand how cells work
What is the chemical definition of an element - ANSWER A substance that can't be broken down into
another substance by chemical reactions
Which four elements account for 96% of living matter - ANSWER 1. Carbon
2. Oxygen
3. Hydrogen
4. Nitrogen
What is the smallest unit of an element that retains the chemical properties of that element - ANSWER
An atom
What does an atom lose to become positively charged - ANSWER An electron
What does an atom gain to become negatively charged - ANSWER An electron
An atom is composed of a nucleus surrounded by electrons. Which part of the atom contains almost all
the mass - ANSWER The nucleus
What is a term to describe the outermost electrons of an atom - ANSWER Valence electrons
Given an atom with 16 electrons, how many protons would be found in the nucleus - ANSWER 16
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