Lowa State University BIO 211 Questions and Answers 2024 bundle

Feedback mechanisms - Negative feedback=Stimulus invoking a response and the response inhibiting stimulus. Positive feedback=the stimulus invoking a response and the response providing a stimulus. IE. platelets increase, cells dividing. Kingdoms - Bacteria, Archaea bacteria, (both have organisms ...

Scientific theories are just "ideas" (T/F) - false What is NOT considered a quality within the definition of life? Living things evolve Living things can grow and develop Living things are sentient Living things use energy - Living things are sentient In some cases an observationa...

Stimulus an event that provokes a change sensation conscious awareness of a change to stimuli Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen Brainpower Read More receptors what detects the change from a stimulus transducers transform st...

What are the 5 fundamental traits of life? With these traits in mind, are viruses alive? What evidence supports your conclusion? - -Energy Use and Metabolism -Cell Theory -Information, Genetics -Replication or reproduction -Biological Evolution -No, viruses are not alive because they do not hav...

What is the difference between a hypothesis and a theory? - Hypothesis: Testable prediction Theory: Explanation for a natural phenomenon What makes a well-accepted scientific theory? - Supported by evidence Incorporates relevant laws What are the 5 fundamental characteristics that all living...

What stage of cellular respiration produces the most ATP? - Oxidative Phosphorylation (26-28 ATP) During what stage of the cell cycle is cyclin most prevalent and MPF most active? - M phase During which phase of meiosis do homologous chromosomes move toward opposite poles of the dividing cell?...

Characteristics of Life - Living things: -are organized -need energy and materials -maintain homeostasis -respond to stimuli (changes in environment) -reproduce and grow -have adaptations matter - Anything that has mass and takes up space element - A substance that cannot be broken down ...

A Bacteria cell gives rise to 2 genectically identical daughter cells by what process - Binary Fission All zygotes are - diploid Products of mitosis are - 2 genetically identical nuclei Replication of DNA occurs during what phase of the cell cycle - S phase Mature nerve cells which are i...