For which two codons below could a single base change account for this amino acid change?    Serine –> Cysteine  

Hershey and Chase chose 35P and 32S in their experiment because nucleic acids contain large amounts of phosphorus and no sulfur.   

You are studying a species of rabbits and are analyzing eight genes, each having two alleles that demonstrate a simple pattern of Mendelian inheritance. Alleles indicated by capital letters are dominant to alleles indicated by lowercase letters. You set up the following cross:   AA BB cc DD EE Ff Gg hh    x   AA bb CC Dd EE ff gg HH    How many of the eight phenotypes are shared by the two rabbits in the cross indicated above?   

SHORT ANSWER QUESTION #9   According to what was discussed in class, only, please the following terms in order of increasingly condensed: nucleosome, naked DNA, histones, chromatin. (1pt)   NOTE: When writing your response, note I am not looking for what Google or Chat GPT provides you as an answer to this ordering question. Only responses derived from material from the course textbook, course lecture videos, or course powerpoint will be accepted. 

Epigenetic changes are changes that alter the base sequence of DNA, thus modifying gene expression.   

According to course material, only, select the ways by which neurotransmitter is removed from the synapse. Note: more than one correct response may apply. (3pts)  

From the list below, which of the following is not a major feature of the Watson-Crick model for DNA?  

SHORT ANSWER QUESTION #3   According to what was discussed in class, only, explain the Central Dogma of Molecular Biology, then list and briefly describe the two major steps involved.  (3pts)   NOTE: When writing your response, note I am not looking for what Google or Chat GPT provides you as an answer to this short answer question. Only responses derived from material from the course textbook, course lecture videos, or course powerpoint will be accepted. 

SHORT ANSWER QUESTION #2   According to what was discussed in class, only, list and describe the three post-transcriptional modifications by which pre-mRNA is transformed to mature mRNA which can then go on to participate in translation. Be thorough – I am looking for you to explain beyond the simple list I provided in class lecture materials. You should show me you understand each of the three pre-mRNA modifications. (3pts)   NOTE: When writing your response, note I am not looking for what Google or Chat GPT provides you as an answer to this short answer question. Only responses derived from material from the course textbook, course lecture videos, or course powerpoint will be accepted. 

According to course materials, only, the purpose of Barr bodies is to ______.  Note: more than one correct response may apply. (2pts)