Bio 207 - Study guides, Class notes & Summaries

Bio 207 Exam 1 Questions with Correct Answers.

csulb bio 207 lab final 7-12skeletal muscle - correct answer contracts to generally cause movement bones muscle fiber - correct answer muscle cell muscle fiber - correct answer contain bundles of protein filaments sliding filament model - correct answer actin and myosin filaments do NOT shorten, but instead slide against each other during contraction actin - correct answer thin filament myosin - correct answer thick filament sarcomere - correct answer smallest unit of contracti...

BIO 207 LAB Questions with Complete Solution

CSULB BIO 207 LAB EXAM 1What are the four primary tissue types? - correct answer 1. Epithelial protection, excretion absorption and secretion 2. Connective binds, fills spaces, energy storage. 3. Muscle Tissue -skeletal -cardiac -smooth causes movement 4. Nervous Tissue What are the differences between exocrine and endocrine glands? - correct answer ... Define, understand, be able to apply the following terms: homeostasis, normal range, set point, negative feedback, stimulus...

BIO 207 A&P 1 STLCC - LEC EXAM 4 (CHAPTER 15 The Special Senses) With Complete Solution...

Bio 207 CSULBWhat is physiology? - correct answer Physiology is the study of the human body and biological function What is homeostasis? - correct answer Homeostasis is the maintenance of internal environment How does negative feedback work? Positive feedback? - correct answer Negative feedback is the opposite initial change in a regulated variable;reduce output Positive feedback is activity increasing and reinforces initial stimulus Integumentary system - correct answer (hair, skin, n...

produces a functional RNA, which usually encodes a protein structural gene regulates the expression of a structural gene. - Does not encode an RNA or protein - Includes promoters & binding sites for regulatory proteins regulatory sequence most have one circular chromosome bacteria and archaea are larger than those of bacteria, in a nucleus, and linear, which requires telomerases to finish replication of the last part of the lagging strand eukaryotic genomes More DNA = trade-off between cost ...

Human microbiome All of the microbes (bacteria, fungi, protozoa, archaea) that live within the human body and their collective genome. Beneficial microbial interactions 1. Synthesis of metabolites - vitamins and nutrients 2. Carbohydrate digestion 3. Protect from pathogenic microbes by competing for space and nutrients - colonization resistance 3. Maintenance of the immune systems - help prevent chronic inflammatory diseases Human cells to microbial cells Used to think 1:10, but now realizing ...

Bio 207 CSULB Questions with complete solution 2024 Bio 207 CSULB What is physiology? - correct answer Physiology is the study of the human body and biological function What is homeostasis? - correct answer Homeostasis is the maintenance of internal environment How does negative feedback work? Positive feedback? - correct answer Negative feedback is the opposite initial change in a regulated variable;reduce output Positive feedback is activity increasing and reinforces initial stimul...

Microbes Microscopic single-cell organisms Can exist as a single cell or in various types of colonies or multi-cellular formations that exhibit cellular differentiation - Self-replicating bioconversion machines - drivers of many chemical conversions Why is genetic diversity important? Genetic diversity-->gene diversity-->enzyme diversity-->biochemical diversity-->biological funciton diversity Enzyme biological catalyst - lowers activation energy - not modified as a result of the re...