Cell arrangements - Study guides, Class notes & Summaries

Which characteristic of a cell most influences the rate of movement of materials into and out of the cell? Surface Area Compared with a smaller cell, a larger cell of the same shape has ________. less surface area per unit of volume When are my office hours? Monday through Thursday 1-2pm, but you can make alternative arrangements. In class, we discussed many examples of why a high surface area to volume ratio is an advantage to organisms. The mammal outer surface in a very cold environment co...

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 ...

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 ...

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...

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...

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 ab...

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) ...

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...