B galactosidase - Study guides, Class notes & Summaries

Hematoxlyin and Eosin Correct Answer 1. Hematoxylin = basic dye stains acidic molecules like nucleus, DNA, RNA 2. Eosin = acidic dye stains basic molecules like cytoplasm Plasma membrane Correct Answer lipid bilayer in which proteins are embedded -has 2 layers 1. hydrophilic = head 2. hydrophobic = tail 2 types of proteins in plasma membrane: 1. Integral membrane proteins = inside the plasma membrane 2. Peripheral membrane proteins = outside of the membrane *steroids are lip...

QBM Exam Questions And Answers With Complete Solutions 2024 What are the first three steps for starting a project? - answer1 ) Choose 2) Read literature 3) Obtain DNA sequence Once you obtain the DNA sequence in the beginning of a project, BLAST will allow what? - answer"Basic Local Alignment Search Tool" - To search for homology (duplication events) - Can predict protein, molecular weight, pI, and extinction coefficient - Predict the secondary/tertiary structure, transmembrane helice...

Safety in the lab 1. Wear gloves 2. Wear goggles 3. Wear close toed shoes 4. Tie up long hair 5. No water or food types of micropipettes P20, P200, P1000 Micropipette an instrument used to measure/deliver amounts of liquid with high accuracy and precision. to find dilution (sample + diluent)^2 To calculate how much solvent and solute to mix together to create a new solution at lower concentration C1V1=C2V2 C1V1 C1= stock solution (mg/mL) V1= volume of the st...

SDS, which stands for sodium dodecyl sulfate, is an anionic _______; it may break down _______ bonds. - right answer--detergent; dipole-dipole You are conducting a gel electrophoresis to determine small differences in protein subunit molecular weights. Which of the following is a valid reason to choose a polyacrylamide gel over an agarose gel for your purposes? - right answer--Polyacrylamide has a higher resolution than agarose and will be able to distinguish smaller differences in sizes. ...

Genetics Exam 2 practice exam 107 Questions with Verified Answers In five Hfr strains, each of which was used to build a time-of-entry map, the genes entered the recipient cells as follows: Strain 1: S L A C T F Strain 2: N P F T C A Strain 3: T F P N U Y Strain 4: S H Y U N P Strain 5: U N P F T C Which of the following represents a correct compilation of these results? A) S L A C T F P N H C U B) N P F T S L A C H U T C) T C A L S P N U Y H D) U N P F T C A L S T F E) S L A C T F...

What is the difference between the coding and non-coding region? Coding region: comprised of genes that encode proteins (instructions that determine traits) and makes up 1-2% of human DNA. • Noncoding region: makes up 98-99% of human DNA, contains STRs and is responsible for regulatory functions such as gene transcription. What are STRs? Short-tandem repeats (STRs) are unique repeating patterns of the same nucleotide sequence. They can be used to differentiate one person from another....

BMSC 210 Midterm 2 Quizzes | 100% Correct Answers | Verified | Latest 2024 Version what can restore a frameshift mutation? - another frameshift, microdeletion, and microinsertion A mutation in a particular gene that results in the premature halting of transcription (and, consequently, protein translation) is a___________ mutation. - nonsense Consider a mutation in which the change is from UAC to UAU. Both codons specify the amino acid tyrosine. Which type of point mutation is this? - S...

BIO 111 TAMU lab exam 1 latest 2023 with certified solutions Accuracy a measure of how close a result matches a correct or standard value. For example, how close a dart is to the bullseye in a dartboard is an indicator of accuracy. Precision a measure of variability. For example, three darts placed close together on a dartboard indicate high precision, but if this cluster of darts is far from the bullseye it would also indicate low accuracy. an ideal experiment yields results with both high ac...

CCRN Critical Care Register Nurse EXAM Section 1: Sec One (1 to 20) Details:Behavioral Science Practice Questions QUESTION: 1 Which of the following is not one of the key steps in the grief process? A. Denial B. Anger C. Bargaining D. Rejection Answer: D QUESTION: 2 Which of the following matches the definition: covering up a weakness by stressing a desirable or stronger trait? A. Compensation B. Projection C. Rationalization D. Dysphoria Answer: A ...

Ap Bio Chapter 18 Practice Test 99 Questions with Verified Answers The role of a metabolite that controls a repressible operon is to - CORRECT ANSWER e) bind to the repressor protein and activate it The tryptophan operon is a repressible operon that is - CORRECT ANSWER E) turned off whenever tryptophan is added to the growth medium. Which of the following is a protein produced by a regulatory gene? - CORRECT ANSWER D) repressor A lack of which molecule would result in the cell's ina...