Bio 222 - Study guides, Class notes & Summaries

Ocular lens Correct Answer-Eyepiece, adds 10x magnification 4x Correct Answer-red lens resolving power Correct Answer-The ability of a microscope to differentiate two closely spaced objects as being distinct from one another (as magnification inc, rp inc) resolving power of a light microscope Correct Answer-0.2 micrometers (μm) numerical aperture Correct Answer-The ability of a lens to gather light parfocal Correct Answer-A specimen in focus under a lower power objective lens sh...

MMBIO 222 BYU Dr. Black Final Study Guide Questions with Complete Solutions

MMBIO 222 Questions with Complete Solutions

Requirements for Hardy-Weinberg equilibrium - ️️1. No mutations 2. Large population so random chance does not cause allele frequency changes 3. No migration in or out of the population 4. Random mating happens 5. No phenotypic advantage is present Analogous structures - ️️Parts that have the same function, but developed from different lineages Genetic bottleneck - ️️Losing genetic or phenotypic diversity due to genetic drift Gene flow - ️️Movement of new alleles from one ...

MMBIO 222 Lab Exam | Questions and Answers Latest update 2025 | 100% Score

MMBio 222 Lab Final BYU questions with complete solutions.

Q: Microbes function Ans: essential for all life on Earth - essential for flow of food and energy through the ecosystem - Many of the gases that regulate heat are produced by microbes living in the environment and the digestive tracts of animals. Q: Scientific method Ans: Principles and procedures for the systematic pursuit of knowledge, involving the recognition and formulation of a problem, the collection of data through observation and experimentation, and the formulation and t...

A microscope can differentiate two closely spaced objects___apart as being distinct from one another Correct Answer-.2um Shorter working distance= ____magnification Correct Answer-Higher T/F Some of the normal flora present on our skin are opportunistic pathogens Correct Answer-True What is a fomite? Correct Answer-An inanimate object that can harbor microorganisms Asepsis Correct Answer-A condition free of viable microorganisms In order to sterilize glassware and moisture sensiti...

Q: Lenticels are involved in what? Ans: Allowing gas exchange Q: What do terminal bud scars show? Ans: These are at the base of the stem and show the growth of the branch Q: What is the purpose of bud scales? Ans: To protect the meristem during the winter. Q: What is the protoplast? Ans: The plasma membrane and everything inside it Q: Cytosol (Cytoplasm) Ans: The aqueous liquid of the cytoplasm Q: Apoplast Ans: Everything outside cell wall, including cell wall and intercellular space ...

Antonie van Leeuwenhoek Correct Answer--Invented the microscope -Dutch linen merchant, and microbiologist -Discovered the microbial world, coined the term animacules -Constructed over 250 small, powerful microscopes that could magnify up to 300 times -Known as the father of bacteriology and protozoology Resolving Power Correct Answer-Ability of a microscope to differentiate two closely spaced objects as being distinct from one another The light microscope can distinguish two points that ...