Biology and Genetics

You abhor the smell of beta ME and your lab has no DTT. Since there are no disul

You abhor the smell of beta ME and your lab has no DTT. Since there are no disulfide bonds in intracellular proteins (which is predominantly true), you are convinced you do not ne…

You add epidermal growth factor (EGF) to cells, activating the EGF receptor (EGF

You add epidermal growth factor (EGF) to cells, activating the EGF receptor (EGFR). This activation can be seen by appearance of phosphorylated EGFR (phospho-EGFR; the antibody sp…

You admit L.M a 2 moths old girl with a history of hydrocephalus and ventriculop

You admit L.M a 2 moths old girl with a history of hydrocephalus and ventriculoperitoneal (VP) shunt placement 1 month earlier. Her parents report that she has been more irritable…

You admit a 65 year old man with a stroke. On examination you find that he has m

You admit a 65 year old man with a stroke. On examination you find that he has mild weakness of the right arm and right leg and bilateral carotid bruits. You send the patient for …

You analyze your data from the PCR reaction from question 8, which amplifies the

You analyze your data from the PCR reaction from question 8, which amplifies the region were the insertion lies. You notice that the patient’s sister has a single band on the gel …

You and 99 friends are on a three hour boat tour when the weather started gettin

You and 99 friends are on a three hour boat tour when the weather started getting rough and you were stranded on a desert island. Three of you friends are carriers of the gene for…

You and a classmate are both doing ChlP for the same factor. In the shearing ste

You and a classmate are both doing ChlP for the same factor. In the shearing step, however, you get very different results. His shearing/size distribution centers around 1000 bp w…

You and a friend are in line for a movie when you notice the woman in front of y

You and a friend are in line for a movie when you notice the woman in front of you sneezing and coughing. Both of you have been equally exposed to the woman's virus, but over the …

You and a friend are studying a squirrel species in the wild. You have witnessed

You and a friend are studying a squirrel species in the wild. You have witnessed a mutation occur that cause much thicker fur coats in the squirrels. You and you friend argue over…

You and a friend are studying dewlap color in a species of lizards. Red dewlaps

You and a friend are studying dewlap color in a species of lizards. Red dewlaps are most common, but some lizards have yellow, pink, or white dewlaps. Your friend thinks that dewl…

You and your classmates have collected data for one time interval of the Chlamyd

You and your classmates have collected data for one time interval of the Chlamydomonas cycloheximide experiment. In the control treatment, 20 Chlamydomonas cells had flagella and …

You and your friend decide to go to out to eat at a popular burger joint. Your f

You and your friend decide to go to out to eat at a popular burger joint. Your friend is extremely hungry and orders the quarter pound bacon burger and cheese fries. Answer the fo…

You and your hypothetical lab partner each develop an experimental plan to test

You and your hypothetical lab partner each develop an experimental plan to test this hypothesis. The two experimental plans are presented below. Evaluate each plan for its pros an…

You and your lab mate, Eugene Yous, are performing expression-profiling experime

You and your lab mate, Eugene Yous, are performing expression-profiling experiments using RNA-Seq. You have extracted mRNA from a mouse liver. Both you and Eugene profile the same…

You and your lab mate, Eugene Yous, are performing expression-profiling experime

You and your lab mate, Eugene Yous, are performing expression-profiling experiments using RNA-Seq. You have extracted mRNA from a mouse liver. Both you and Eugene profile the same…

You and your lab mate, Eugene Yous, are performing expression-profiling experime

You and your lab mate, Eugene Yous, are performing expression-profiling experiments using RNA-Seq. You have extracted mRNA from a mouse liver. Both you and Eugene profile the same…

You and your lab mate, Eugene Yous, are performing expression-profiling experime

You and your lab mate, Eugene Yous, are performing expression-profiling experiments using RNA-Seq. You have extracted mRNA from a mouse liver. Both you and Eugene profile the same…

You and your lab partner use a living nerve and muscle preparation to study musc

You and your lab partner use a living nerve and muscle preparation to study muscle contraction. When you stimulate the nerve electrically, the muscle contracts; why? When you turn…

You and your lab partner want to determine if there are bacteriophage in your en

You and your lab partner want to determine if there are bacteriophage in your environmental samples. You partner is attempting to isolate phage by the direct isolation method and …

You and your partner have been practicing safe sex for since the beginning of yo

You and your partner have been practicing safe sex for since the beginning of your sexual relationship two months ago. You both agree to an HIV test, and the results are negative …

You and your partner want to determine the glycogen concentrati homogenates and

You and your partner want to determine the glycogen concentrati homogenates and using the glucose standard curve, you determine the glucose measurement (without amyloglucosidase) …

You and your post-doc are analyzing the results from an experiment your graduate

You and your post-doc are analyzing the results from an experiment your graduate student calculated. The experiment used a well know substrate and a possible inhibitor. The data r…

You and your team are tasked with analyzing the AHQA, by reviewing their website

You and your team are tasked with analyzing the AHQA, by reviewing their website at www.ahqa.org, paying special attention to the benefits of becoming a Quality Improvement Organi…

You apply the Phylogenetic Species Concept to determine how many species there a

You apply the Phylogenetic Species Concept to determine how many species there are in the fivepopulations listed below. To do so, you are given data on three different genes colle…

You are Dr. DNA, the brains behind an internet-based help desk for “molecular bi

You are Dr. DNA, the brains behind an internet-based help desk for “molecular biologists who can't get their freaking experiments to work.” Yesterday, you received the following e…

You are Seymour Gutz, tour guide of the human body. You have recently been infor

You are Seymour Gutz, tour guide of the human body. You have recently been informed that you have to give a tour of the digestive system to some very important visitors. Write up …

You are a Family Nurse Practitioner working in an outpatient primary care office

You are a Family Nurse Practitioner working in an outpatient primary care office of a large hospital system. The practice has been operating for over 15 years, and many of the adm…

You are a LPN in a reprodductive services clinic, and a pregnant patient is suff

You are a LPN in a reprodductive services clinic, and a pregnant patient is suffering a medical condition wherein the pregnancy threatens her life. Her physician suggest that she …

You are a Meteorologist. While taking present weather observations, you note tha

You are a Meteorologist. While taking present weather observations, you note that the sky is full of wispy cirrus clouds estimated to be about 5 kilometers overhead. If a warm fro…

You are a Physician’s Assistant and you are set to meet with a patient to talk a

You are a Physician’s Assistant and you are set to meet with a patient to talk about his cholesterol panel. The patient, Mr. Brown, is a 56 year old male who leads a largely seden…

You are a Tatooine scientist studying inheritance patterns in banthas. Some of y

You are a Tatooine scientist studying inheritance patterns in banthas. Some of your banthas have aggressive dispositions while some are docile. You determine that the gene for att…

You are a U.S.G.S. volcanologist sent out to investigate a supposedly dormant vo

You are a U.S.G.S. volcanologist sent out to investigate a supposedly dormant volcano in New Mexico. There have been recent small earthquakes and positive elevation changes near t…

You are a billing clerk for a nursing home. Your regular responsibilities requir

You are a billing clerk for a nursing home. Your regular responsibilities require you to work in the office. You do not usually have too much contact with the residents. You are i…

You are a biochemistry graduate student studying cancer at UW. You want to creat

You are a biochemistry graduate student studying cancer at UW. You want to create a model to study metastasis. Metastasis is the d malignant growths at a site distant from the pri…

You are a biological spectroscopist in grade school and are working at Argonne N

You are a biological spectroscopist in grade school and are working at Argonne National Lab collecting X-ray absorption spectra. Some of your data is shown in the figure below in …

You are a biologist that discovers three new species while on a trip to the Sout

You are a biologist that discovers three new species while on a trip to the South Asian rainforest. The three organisms have the following characteristics. Species 1a Cell wall co…

You are a biologist working for the Centers for Disease Control (CDC) in Atlanta

You are a biologist working for the Centers for Disease Control (CDC) in Atlanta, Georgia. You are working in the Special Pathogens Branch of the CDC where you and your colleagues…

You are a biologist working in Montana when you find a fossil wedged between two

You are a biologist working in Montana when you find a fossil wedged between two ancient layers of sedimentary layers. What technique would be the best tool to use to find the age…

You are a breeder of Labrador retrievers. You cross two blank labs that may not

You are a breeder of Labrador retrievers. You cross two blank labs that may not be from pure-breeding stock. Which of the following results are possible among the puppies? The max…

You are a breeder of Labrador retrievers. You cross two blank labs that may not

You are a breeder of Labrador retrievers. You cross two blank labs that may not be from pure-breeding stock. Which of the following results are possible among the puppies? The max…

You are a breeder of Yorkshire hogs. Your hogs have been plagued with a recessiv

You are a breeder of Yorkshire hogs. Your hogs have been plagued with a recessive genetic defect that is not lethal, but is undesirable. You mate a boar to a carrier (heterozygous…

You are a carbon atom that is taken in by a soybean and eventually becomes part

You are a carbon atom that is taken in by a soybean and eventually becomes part of a protein molocule and eaten by a human. The human digests the protein and the carbon becomes pa…

You are a cell biologist that is working with a genetic counselor. That means th

You are a cell biologist that is working with a genetic counselor. That means that you are the expert in the field of cell and molecular biology, while your colleague is the exper…

You are a clinic staff member who conducts participant visits. At each visit you

You are a clinic staff member who conducts participant visits. At each visit you are supposed to measure and record the participant's blood pressure. A participant has just left, …

You are a clinician working in a fertility clinic. A couple presents with diffic

You are a clinician working in a fertility clinic. A couple presents with difficulties conceiving. The female was found to have normal fertility, however semen analysis indicated …

You are a columnist for a popular website that deals with women\'s health issues

You are a columnist for a popular website that deals with women's health issues. Visitors to the site can submit their stories and questions through an “Ask the Expert” link on th…

You are a columnist for a popular website that deals with women\'s health issues

You are a columnist for a popular website that deals with women's health issues. Visitors to the site can submit their stories and questions through an “Ask the Expert” link on th…

You are a conservation biologist and have just completed a conservation review p

You are a conservation biologist and have just completed a conservation review project focused on a single mammal species. You are taking your research in a new direction, looking…

You are a conservation biologist and have just completed a conservation review p

You are a conservation biologist and have just completed a conservation review project focused on a single mammal species. You are taking your research in a new direction, looking…

You are a conservation biologist and have just completed a conservation review p

You are a conservation biologist and have just completed a conservation review project focused on a single mammal species. You are taking your research in a new direction, looking…