Bio 115 Samenvattingen, Aantekeningen en Examens

WVU bio 115 Exam 1 Questions and Answers Already Passed True or False? A theory is subject to being amended or changed. True Bipasha is studying a new drug, Calcigro, that is suspected to improve bone density. The drug has made it through animal testing and into human trials. Two groups of females have been matched for age, race and health status. Group A is given a pill containing starch and 1000 mg of Calcigro while Group B is given a pill containing starch only. Both groups are fo...

BIO 1150 Exam 3 - Questions with Verified Answers Derived traits of land plants Alternation of generations Multicellular, dependent embryos Walled spores produced in sporangia Multicellular gametangia Apical meristems Symbiotic relationships with fungi Cuticle A waxy covering on the surface of stems and leaves that acts as an adaptation to prevent desiccation in terrestrial plants. Lignin Substance in vascular plants that makes cell walls rigid Sporophyte The stage in the life cycle of a plant ...

Rutgers Bio 115 Exam 2 and Final Test With Complete Solutions

BIO 1150 Exam 2 - Questions with Verified Answers Is the pulmonary vein oxygenated or deoxygenated? Oxygenated Do atria have thick or thin walls? Thin Do ventricles have thick or thin walls? Thick Cardiac cycle A complete heartbeat consisting of contraction and relaxation of both atria and both ventricles Systole Contraction of the heart Diastole Relaxation of the heart Stroke volume The volume of blood pumped from a ventricle of the heart in one beat Cardiac output The volume of blood pumped i...

chromosomes have: 1 2 DNA (4 nucleotides) proteins (20 amino acids) Griffith's experiments advanced the study of genetics by proving transformation Avery-MacLeod-McCarty experiment demonstrated that DNA is the genetic material because degradation of DNA led to a cessation of bacterial transformation (DNA= transforming ability) Hershey-Chase Experiment determined that DNA is the genetic material BACTERIOPHAGES

Functions of cell division reproduction growth and development tissue renewal Genome Prokaryotic vs. Prokaryotic all DNA in a cell Prokaryotic- single DNA molecule Eukaryotic- several DNA molecules DNA molecules in cell are packages into chromosomes Chromatin Eukaryotic chromosomes consist of chromatin, a complex DNA and protein that condenses during cell division

What is the correct order of steps in the excitation/contraction coupling of muscle cells? a) A --> B --> C --> D --> E b) B --> A --> C --> E --> D c) B --> C --> D --> A --> E d) E --> C --> B --> A --> D d) E --> C --> B --> A --> D Guard cells do which of the following? a) protect the endodermis b) increase the rate of transpiration c) increase the number of stomata d) help balance the photosynthesis-transpiration compromi...

Bio 115 Wetlands. with complete solution .

BIO 1150 Exam 4 - Questions with Verified Answers Species transplant organisms that are intentionally or accidentally relocated from their original distribution Biotic factors that affect the distribution of organisms Predation Herbivory Competition Abiotic factors that affect the distribution of organisms Temperature Water Sunlight Wind Rocks and Soil How does temperature affect cells and proteins? Cells can freeze and rupture, proteins denature in hot temperatures Salinity A measure of the am...

Bio 115 Wetlands with complete solution / Latest updated .