Microscopes and cells - Study guides, Class notes & Summaries

eyepiece lens - correct answer The part of the microscope you look down. magnification - correct answer How much bigger something appears compared with its actual size. objective lens - correct answer The part of the microscope that is closest to the specimen. resolution - correct answer Smallest chang...

Stern's Introductory Plant Biology, 14e (Bidlack) Chapter 1 What Is Plant Biology? 1) The early scientist who first demonstrated experimentally that plants do not have the same modes of nutrition as animals was A) Nehemiah Grew. B) Carl Willdenow. C) Alexander von Humboldt. D) Sir J. D. Hooker. E) J. B. van Helmont. Answer: E Topic: Diversification of Plant Study Bloom's: 1. Remember Learning Outcome: 01.04 List the aspects of botany with which each of the major botanical disciplines ...

BSC 2010L: Principles of Biology 1 Laboratory Lab Topic 2: Microscopes and Cells / BSC 2010L: Principles of Biology 1 Laboratory Lab Topic 2: Microscopes and Cells (100 points possible)

BLINN BIOL- 1406 EXAM 2 Stacy fully solved graded A+what is a cell? - correct answer A cell is the smallest unit of life that can function independently. cell theory? - correct answer Cell theory explains the prevalence and commonalities of cell 1. all organisms are made of one or more cells 2. the cell is the fundamental unit of life 3. all cells come from preexisting cells Implications of the cell theory - correct answer 1. Functions of all cells are similar. 2. Life is continuous. ...

BLINN BIOL- 1406 EXAM 2 what is a cell? - correct answer A cell is the smallest unit of life that can function independently. cell theory? - correct answer Cell theory explains the prevalence and commonalities of cell 1. all organisms are made of one or more cells 2. the cell is the fundamental unit of life 3. all cells come from preexisting cells Implications of the cell theory - correct answer 1. Functions of all cells are similar. 2. Life is continuous. 3. Origin of life was the or...

What are properties of all cells? - Growth Metabolism Evolution LUCA - Last universal common ancestor How do we decide how the phylogenetic tree is drawn? - Use ribosomes. All organisms have it and it has been the same for billions of years What are the domains? - Bacteria Archaea Eukarya What defines the domains of cells? - Their rRNA sequencing What domains are most closely related? - Archaea and eukarya What emerged from Archaea? - Eukarya How do we know kw when oxygen appeare...

IB Biology Review with Complete Solutions cell theory -All living things are composed of cells -cells come from preexisting cells -Cells are smallest unit of life Challenges to cell theory: muscle fibres -They are fused cells, so they're long and have multiple nucleus -challenges cells are autonomous units Challenges to cell theory: Giant algae -certain species may grow large -challenges idea cells are microscopic and larger organisms are composed of many Challenges ...

Bio principles Exam 2 – Brooks Latest Update Graded A+ Cytology the study of cells Robert Hooke - observed cork could float - discovered a honeycomb-like structure in a cork slice using a primitive compound microscope - only saw cell walls as this was dead tissue - coined the term "cell" for these individual compartments he saw Two types of microscopes: 1. Light Microscope 2. Electron Microscope Light Microscope - light is focused on specimen by a glass condenser lens -...

Homeostasis When organisms maintain a stable internal environment even when external conditions change Metabolism Combination of chemical reactions taking place within an organism Stimulus A signal to which an organism responds Biosphere Means "living planet" Robert Hooke Scientist who looked at cork through a microscope and gave the name to cells Light Microscope A type of microscope Can magnify 1000x Not as strong as other microscopes Uses light Scanning Electron Microscope A typ...

IB Biology Unit 1 Latest Update Graded A+ Cell theory 3 main principles All organisms are composed of one or more cells cells are the smallest units of life all cells come from pre-existing cells 7 functions of life (MR H GREN) metabolism reproduction homeostasis growth excretion response nutrition Paramecium unicellular membrane of the kingdom known as Protista. Look at powerpoint on isa247 to see how this organism displays the functions of life. chlorella single-cell...