Chloethompson

Exam (elaborations) Biochemistry (BIO1802) Question text The P site of a ribosome does which of the following? Select one: a. It holds the tRNA that is carrying the next amino acid to be added to the growing polypeptide chain. b. It holds tRNA carrying the growing polypeptide chain. c. It helps "unzip" DNA during transcription. d. It recognizes the promoter during transcription initiation. e. It catalyzes the addition of amino acids to the polypeptide chain of adjacent amino acids. ...

Exam (elaborations) PEDIATRICS - HESI PRACTICE EX (BIO2051) 1) Which of the following groups are at the highest risk for scoliosis? ∙ Girls ages 10-14 2) A patient with Glorumonephritis has edema and hypertension, which fruits should be given? ∙ Orange, ∙ Watermelon (natural diuretic?) ∙ Apple ∙ Strawberry 3) 16 year old with Seizures is having a grand mal seizure, what should the nurse do? ∙ Observe carefully 4) At 5 years old, which developmental milestone is expected?...

Biochemistry C785 Module 1 Quiz 2020 – Western Governors University You are designing a piece of DNA for a project and must select the appropriate nitrogenous bases. Which combination of nitrogenous bases would you find most suitable for your work? Select one: a. Adenine, Guanine, Thymine, Cytosine Correct! These nitrogenous bases, in combination with deoxyribose sugar and phosphate, form the nucleotides that are bonded together to form a long polymer of DNA - the carrier of genetic inf...

Biochemistry C785 Module 2 Quiz 2020 – Western Governors University Which of the following are possible effect(s) that phosphorylation/dephosphorylation can have on the activity of an enzyme? Select one or more: a. Alter the amino acid sequence of the enzyme Incorrect. Phosphorylation is a post-translational modification, meaning that it occurs after the protein is made and the amino acid sequence has been completed. Phosphorylation can alter the conformation of an enzyme, but not the a...

Biochemistry C785 Module 3 Myoglobin and Hemoglobin What level of protein structure does hemoglobin have that is not found in myoglobin? 1. primary 2. secondary 3. tertiary 4. quaternary(C0rrect) As carbon monoxide binds to hemoglobin, the protein subunits change conformation to allow carbon monoxide to bind faster. This process is called __________. 1. non-competitive inhibition 2. allosteric binding 3. positive cooperativity(correct) 4. competitive inhibition Even though the ...

Biochemistry C785 Module 3 Quiz 2020 – Western Governors University Myoglobin and hemoglobin each have different numbers of subunits and this affects their respective oxygen storage and delivery capabilities. How many subunits do myoglobin and hemoglobin each have? Select one: a. Two, Three b. One, Two c. One, Four Correct! Myoglobin consist of one and hemoglobin consists of four subunits. The number of subunits affects their respective oxygen storage and delivery capabilities. d. Fou...

Biochemistry C785 Module 4 Quiz 2020 – Western Governors University Which of the following processes does NOT take place in the mitochondria of a cell? Select one: a. Production of FADH2 b. Conversion of pyruvate to lactic acid ! When oxygen is scarce, pyruvate--created through glycolysis---remains in the cytosol and will be converted anaerobically into lactate (fermentation) c. Creation of a proton gradient d. Production of CO2 in the citric acid cycle Under anaerobic conditions in...

Exam (elaborations) BioChem C785 Which of the following vitamins does not travel through the bloodstream in the form of a lipid micelle? Select one: a. Vitamin C ! Vitamin C is a water soluble vitamin that is not solubilized in lipid micelles. b. Vitamin A c. Vitamin D d. Vitamin K Which lipid has a 4-ring structure? Select one: a. Sterol ! Sterols are lipids that contain four hydrocarbon rings. Cholesterol, cortisol, and testosterone are examples of sterols. b. Fatty Acid c. Pho...

Biochemistry C785 Review Module 1 2020 – Western Governors University Fasting: Glucagon- Glut4 in cell membrane moves glucose out of the cells to the body Eating: Insulin- Glut4 on the membrane to move glucose into the cell through facilitated diffusion and active transport. Glucagon- actives when BS is LOW- primary signal for glucagon breakdown Gluconeogenesis- Generate glucose from non-carbohydrate carbon substrates (pyruvates, lactates, glycerol) NADH is oxidized into NAD+ to r...

Exam (elaborations) BIOLOGY (BIOD151) 1. Describe the proper way to carry a microscope. You should always carry a microscope by placing one hand under the base while the other hand braces the arm. 2. What portion of the light microscope adjusts the amount of light that passes through the light source? a. The illuminator b. The oculars c. The diaphragm c. The diaphragm LAB 2 1. Give the definition of what a tissue is. A tissue is a grouping of similar cells that wor...

Anatomy of the Muscular System: Introduction & Muscles of the Head, Neck, and Trunk. Sternocleidomastoid Origin: Sternal end of clavicle and manubrium Insertion: Mastoid region of skull Action: Bilateral: Neck flexion Unilateral: Turns face to opposite side Innervation: Accessory nerve (CN XI) Splenius Capitis Origin: Spinous process/ligaments of inferior cervical vertebrae Insertion: Mastoid process, occipital bones of skull Action: Bilateral extend head Unilateral laterally fle...

BIOL 3V2 Exam 1 study guide 1. Describe the system of nomenclature (i.e. naming and writing the names) of microorganisms. Should be written: Genus species or if hand written Genus species. Can be abbreviated if the 2nd time written and on (ex. G. species) 2. Describe the characteristics of each of the following: bacteria, archaea, fungi, protozoa, and algae. Focus on distinguishing features that were discussed in class. • Bacteria: unicellular, prokaryote, CW: peptidoglycan, binary fiss...

BIOL 3V2 Exam 2 study guide 1. Understand the difference between physical requirements for growth and chemical requirements for growth. 2. What are the physical factors that affect microbial growth? What are the chemical factors? 3. Be able to classify microbes on the basis of preferred temperature range. 4. Be able to classify microbes based on their preferred pH range. Which is most common? 5. Explain how osmotic pressure can effect microbial growth. 6. Be able to relate temperature ...

BIOL 2450 Exam (elaborations) Biology 1. Which of the following birth control methods is a “barrier” method? b) diaphragm 2. Which of the following chemicals signals the body that the egg has been fertilized: c) human chorionic gonadotropin (hCG) 3. Which of the following occurs in fertilization: c) only the sperm nucleus enters 4. The part of the male reproductive system that adds fructose and prostaglandins to the semen is the: d) seminal vesicle 5. Which of ...

M4 L2 Gizmo Simulation: Cell Energy Cycle 1. What does a plant need to survive and grow? Water air sun 2. What does an animal need to survive and grow? Water food shelter 3. How do animals and plants depend on each other? Animals eat the food and the plants grow off of it

M6L2 Gizmo Lab: Cell Division Cells reproduce by splitting in half, a process called cell division. What do cells need to do between divisions to make sure that they don’t just get smaller and smaller? Based on these two observations, would you say that a cell spends most of its life cycle in interphase or in mitosis/cytokinesis?

BIOLOGY 235 Midterm 2 Diagrams Fibrous tunic [Pronunciation] Cornea: Admits and refracts (bends) light. Sclera: Provides shape and protects inner parts. Vascular tunic [Pronunciation] Iris: Regulates amount of light that enters eyeball. Ciliary body: Secretes aqueous humor and alters shape of lens for near or far vision (accommodation). Choroid: Provides blood supply and absorbs scattered light. Retina [Pronunciation] Receives light and converts it into receptor potentia...

BIOLOGY 235 MIDTERM 2 REVIEW CHAPTER 11: THE MUSCULAR SYSTEM origin - stationary bone, usually proximal Insertion - attachment of muscle's other tendon to movable bone, usually distal belly (body) - fleshy portion of muscle between their tendons (origin and insertion) Actions - main movements that occur when the muscle contracts reverse muscle action (RMA) - during specific movements the actions are reversed; • bones act as levers, and joints function as the fulcrums o...

M5 L1: Gizmo Lab Building DNA Prior Knowledge Questions (Do these BEFORE using the Gizmo.) DNA is an incredible molecule that forms the basis of life on Earth. DNA molecules contain instructions for building every living organism on Earth, from the tiniest bacterium to a massive blue whale. DNA also has the ability to replicate, or make copies of itself. This allows living things to grow and reproduce. 1. Look at the DNA molecule shown at right. What does it look like? This shape is called...

BIOS 255N Final Exam Study Guide APIII Innate and adaptive systems, how they work and interact (Lymphatic System) • Innate (non specific)-defenses that are present at birth, 1)first line of defense are the physical and chemical barriers of the SKIN and mucous membranes, o Mechanical Defense-  Skin, mucous membranes, tears, saliva, mucus, cilia, epiglottis, urine flow, defecating, vomiting  Chemical Defense-  Sebum, lysozyme, gastric juice • 2) the second line of defense are ...