Cell arrangements - Study guides, Class notes & Summaries

Prokaryotic Cell Shapes Coccus (spherical), Bacillus (rod-like), Spirillum (spiral) Prokaryotic Cell Arrangements single, diplo (2), Strepto (chain, cocci and bacilli), Tetrad (4), Sarcinae (8), Strepto (grape cluster) Hans Christian Gram Bacteriologist, invented cell wall staining--Gram stain Gram Positive Cell Wall stains purple, thick cell wall made of peptidoglycan, responds to penicillin; ex: strep Gram Negative Cell Wall stains pink, cell wall made of peptidoglycan surrounded by outer ...

When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the role of the _________? A. Weight B. Force C. Fulcrum D. Lever E. Resistance - Answer-C. Fulcrum. Which of the following event will occur when depolarizing graded potential's reach the membrane of the axon Hillock, causing its membrane potential to reach threshold? A. Ligand-gated Ca++ channels close rapidly B. Voltage-gated Ca++ channels open rapidly C. Ligand-gated Na+ channels close ...

CHAPTER 3: Perceptual Processes II: Attention and Consciousness 3-1. According to your textbook’s introduction to Chapter 3, attention a. relies exclusively on bottom-up processing. b. uses both top-down and bottom-up processing. c. is a time-consuming but highly accurate cognitive process. d. is a quick process that is highly inaccurate. Answer: b Section Ref: Overview of Attention Difficulty: Easy Objective: 3.1 Objective text: Discuss two different types of attention and revie...

Jurisprudence Exam Questions and Answers Already Passed Who can sign for controlled drug substances orders? Can they sign for more than 1 pharmacy? Full pharmacist Yes What are the requirements for dispensing without a prescription in a state of emergency situation? 1. Record of the date, name & address of patient, and the name, strength and quantity of drug dispensed 2. Communicate information to patient's prescriber asap Can a registrar waive pharmacy licensure requirements and issue a t...

Biology - The study of life and living organisms The cell has to replicate its DNA - What must happen for mitosis to take place? exoskeleton - Arthropods have a(n) ________ that has allowed them to inhabit almost every environment on Earth (HERDROAR) Homeostasis Energy Production Reproduction Development and Growth Response to stimuli Order Adaptation Regulation - Characteristics of life Sun - What is the energy source for life on Earth? Energy - -This comes from the sun -Next it ...

BSNC 1000 Module 2 Questions with Revised Answers Developmental tasks for older persons - Answer-- adjusting to decreasing health and physical strength - adjusting to retirement and reduced or fixed income - adjusting to the death of a spouse - accepting one's self as an ageing person - maintaining satisfactory living arrangements - redefining relationships with adult children - finding ways to maintain quality of life Purpose of developmental tasks for older adults - Answer-- t...

Define muscle origin and insertion and relate these terms to skeletal movements correct answers - origin: the proximal attachment of the muscle - insertion: the distal attachment/articulation point of the muscle - As the muscle contracts, it shortens or pulls toward the proximal attachment point Define and give an example: agonists correct answers - a muscle whose contraction moves a part of the body directly - the movement is produced through concentric contraction - example: biceps brac...

The tricarboxylic cycle begins with the conversion of pyruvate to Acetyl CoA Q. Which of the following questions would be appropriate for the dietetics practitioner to ask when hiring a new food production worker? A. "Do you have any health problems or disabilities?" B. "Do you have child-care arrangements so that you can work the early morning shift?" C. "Are you married?" D. "Why do you want to work for us?" The correct answer is D. It is illegal to ask personal questions...

Not very many proteins in the eukaryotic cytoplasmic membrane. Where did they go? - Answer-They are still in the membrane and they are still busy, but most of the proteins went to the mitochondrial membrane in eukaryotes. Cellulose and Chitin - Answer-Use specific b-1,4-glycosidic bonds between sugars provides strength and rigidity. In algae Fungi - Cell Wall - Answer-You have a NAG in chitin for cell walls in fungi. The cell wall is all NAGs Cytoskeleton Function - Answer-Involved in intr...

IMMB 302 Immunology Exam 1 Questions With Answers Graded A+ immunis meaning Exempt, protected The Immune System Defends the body against what? -Non-self (bacteria, virus, fungi, protozoa, tissue grafts) -Mutated self (cancer, misfolded proteins) physiological barriers of the immune system -Skin, Mucous membranes white blood cells (leukocytes) -Part of innate immunity (phagocytes) -initiate inflammation, engulf, destroy invaders white blood cells (lymphocytes) ...