Rer ser and lysosomes - Study guides, Class notes & Summaries

Cell - The basic unit of the body Groups of cells combine to form: - Tissues Groups of tissues with the same function form: - Organs The body has 4 basic types of tissues: - Nerve Muscle Epithelial Connective Epithelial Tissue - Inner and outer surfaces of body structures; forming, protecting, covering the body Functions of Epithelial Tissue - Protection Absorption Filtration Secretion Transportation Connective Tissue - Anchors and supports Varies from liquid to hard Most abundan...

1. What are the four tenets of the cell theory? - Ans-All living things are composed of cells. -The cell is the basic functional unit of life. -Cells arise only from pre-existing cells -Cells carry genetic information in the form of DNA 2. Why are viruses not considered living organisms? - AnsThey violate the cell theory; -their genetic material is RNA -they cannot reproduce on their own, they must invade another organism. 3. Are eukaryotic cells unicellular or multicellular? - AnsThey c...

Describe how you would use a biochemical test to show that a solution contained a non-reducing sugar, such as sucrose. [3] - ANSWER,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present Describe a chemical test you could carry out to show that a piece of coconut contains lipids. [3] - ANSWER(Crush in) ethanol / alcohol; Add (to) water (Order of adding is critical for this point)...

Human Physiology 100% correctly answered rated A+ 2023homeostasis - correct answer all body systems working together to maintain a stable internal environment (i.e., the resistance to change to ensure body functions remain in a normal range) receptor detects change -> processed in control centre; sends instructions -> effector carries out instructions autoregulation (intrinsic) vs extrinsic regulation in homeostasis - correct answer automatic response in a cell/tissue/organ vs respons...

BIOS 1300 PreLab 3 Questions and Answers Rated A Centrosome Part of the cell that contains the centrioles and the centrosome matrix Function of the endocytic vesicle? Moves large particles, fluid, or molecules through plasma membrane and into cell What structure synthesizes protein for use inside the cell? Rough endoplasmic reticulum T/F: The nuclear envelope has a phospholipid bilayer True What structure regulates the passage of material between the cytoplasm and the nucleus? Cell membrane ...

BIO251 - EXAM 2 REMEDIATION 2023/2024 WITH ANSWERS GRADED PASS Haploid Number of Chromosomes In Humans - -answer-23 Control center of the cell; a part of the cell containing DNA and RNA and responsible for growth and reproduction - - answer-Nucleus Processes and transports proteins made at attached ribosomes; synthesizes phospholipids - -answer-Rough Endoplasmic Reticulum (RER) Fatty acid and steroid synthesis; detoxifies toxic substances - -answer-Smooth Endoplasmic Reticulum (S...

BIO251 - EXAM 2 REMEDIATION 2023/2024 WITH ANSWERS GRADED PASS Haploid Number of Chromosomes In Humans - -answer-23 Control center of the cell; a part of the cell containing DNA and RNA and responsible for growth and reproduction - - answer-Nucleus Processes and transports proteins made at attached ribosomes; synthesizes phospholipids - -answer-Rough Endoplasmic Reticulum (RER) Fatty acid and steroid synthesis; detoxifies toxic substances - -answer-Smooth Endoplasmic Reticulum (S...

Molecular and Cell Biology Test Bank LATEST WITH 400 REAL EXAM QUESTIONS AND CORRECT ANSWERS(VERIFIED ANSWERS)|AGRADE Sucrose - ANSWER- Beta-glucose + fructose; beta-glycosidic linkage Lactose - ANSWER- 2 (Beta-glucose); beta-glycosidic linkage What stereoisomer of amino acids are found in human proteins? - ANSWER- L-amino acids except glycine Glycine - ANSWER- Simplest AA, found every third position in collagen Proline - ANSWER- Hydroxylated in mature collagen in the rER Lysine -...

Anatomy and Physiology 101 Lab 2 Microscope, Cellular Structure, The Cell Cycle Labs 4, 5, and 7 in manual Textbook Figures 3.3, 3.7, and 3.37 Table 3.3 and 3.5 Lab Exercise 4 - Care and Use of the Compound Microscope The microscope is an essential tool for the study of structures too small to see with the naked eye. Objectives- In this lab you will learn the parts of a microscope, the function of each part, how to calculate total magnification, and how to place a slide in position and...

A-Level Biology - OCR Questions With Correct Answers What is a light microscope used for? Observing living and dead specimins What are the pros and cons of a light microscope? Pros: Cheap, portable, easy to use, can study living specimens. Cons: Limited magnification, poor resolution. What is a laser scanning confocal microscope used for? Creating a high resolution, high contrast image, at different depths of the specimen. What is a transmission electron microscope be used for? Observi...