Straighterline Study guides, Class notes & Summaries

What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer- a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer- b. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it called? Select one: a. Solute b. Compound c. Homogeneous mi...

Development correct answer: pattern of change beginning at conception and continuing throughout the life span Ex: growth and decline Life-span perspective correct answer: involves growth, maintenance, and regulation. average life expectancy correct answer: 79 years culture correct answer: interactions, behavior patterns, beliefs, and all other products of a group passed on from generation to generation cross-cultural studies correct answer: comparing aspects of cultures to gai...

A&P 1 Final Exam, Straighterline Anatomy and Physiology 1, Straighterline A&P 1 Cumulative Final Exam 2024 What is the smallest level of organization in the body that contains the body's genetic information? Select one: a. chemical b. cellular c. tissue d. organism - Answer-B. Cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information. Which is an example of a normally occurring positive-feedback mechanism? Select one: a. elevated ...

What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - ANSWERSa. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - ANSWERSb. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it called? Select one: a. Solute b. Compound c. Homogeneous mixt...

An endothermic reaction causes the surroundings to: A. warm up B. become acidic C. condense D. decrease in temperature E. release CO2 - Answer- D An exothermic reaction causes the surroundings to: A. warm up B. become acidic C. expand D. decrease its temperature E. release CO2 - Answer- A Copper metal has a specific heat of 0.385 J/g•oC and has a melting point of 1083oC. calculate the amount of heat required to raise the temperature of 22.8 g of Cu from 20.0oC to 875oC. A. 1...

In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - correct answer Nitrogen Fixation If enough H+ ions are added to pure water to raise the H+ concentration of the solution to ten times higher than the original concentration, what is the resulting OH- concentration of the solution? - correct answer 10-8 M Fungi are able to reproduce asexually by creating conidiospores and sporangiospores. Which of the following is an accurat...

Straighterline Microbiology Lab BIO250L Lab 4 Selective Media & Agar Worksheet (New Version Updated)

Pre-Lab Questions 1. The first law of thermodynamics discusses the interplay between heat and work and how they come together to describe the internal energy changes of a system undergoing a thermodynamic process. Importantly, though, the first law of thermodynamics is, at its core, a statement about the conservation of energy. Energy cannot be created or destroyed. it cannot vanish into nothingness or spontaneously appear. This law can be stated mathematically as: ΔU=Q−W Explain howth...