Which structure is found in BOTH plant and animal cells?
We talked about chemical reactions (reactants and products…
We talked about chemical reactions (reactants and products) and the concept of reversibility (i.e. forward and reverse reactions). Life strives for metabolic disequilibrium. If things go poorly for a critter and it tragically bites the dust, reactions will reach chemical equilibrium. Which of the following statements correctly describes that phenomenon?
Why mess around with this whole “biological hierarchy” thi…
Why mess around with this whole “biological hierarchy” thing and why does Dr. Burney waste an entire slide on every lecture powerpoint showing the biological hierarchy…. seems like serious overkill! Think about the importance of the biological hierarchy and how it makes biology just a bit easier to study when answering the following question…. Which of the following statements is TRUE regarding the complexity of biological systems?
When atoms gain or lose electrons, they become negatively…
When atoms gain or lose electrons, they become negatively or positively charged. These negatively or positively charged atoms are known as….
An experiment is a “scientific test” often carried out und…
An experiment is a “scientific test” often carried out under controlled conditions that involve manipulating one factor (or variable) in a system in order to see the effects of changing that factor. In an experiment to test the hypothesis, “temperature controls sex determination (= male or female?) in crocodile embryos,” a researcher incubates crocodile eggs in incubators set at different temperatures and counts the number of male vs female hatchlings in each incubator. Which of the following correctly identifies the dependent and independent variables in the experiment?
Phospholipids are the backbone of the cell’s plasma membra…
Phospholipids are the backbone of the cell’s plasma membrane. The molecules form a lipid bilayer in an aqueous (water-based) environment since…
The covalent bonds connecting monomer units in polymers ca…
The covalent bonds connecting monomer units in polymers can be formed by the removal of a water molecule. This reaction is referred to as….
You are a middle school teacher at Morals Academy. You have…
You are a middle school teacher at Morals Academy. You have presented this case study to your students. Read Case Study: Honesty vs Friendship• Characters: John, Tom, and Alex, are three high school students and best friends. Tom’s family owns the local grocery store, Green Leaf Neighborhood Market. Recently, Tom and John learned that Alex’s dad just lost his job, and his family is struggling financially. • Situation: John discovers that Alex has been shoplifting from Green Leaf Neighborhood Market. Tom does not know. Alex confides in John and swears him to secrecy, but John is torn between his loyalty to his friend Alex, his loyalty to his friend Tom, and his own moral compass. Write two questions from two different categories of the “typology of questions” that you might ask your students with the goal of facilitating discussion that might further student moral reasoning. Be sure to include the question and its category. Ex:Question 1: Category, “ your question…”Question 2: Category, “your question…”
Which congenital cardiac abnormality results from “the arres…
Which congenital cardiac abnormality results from “the arrested development of the secundum septum”? A. Ostium secundum VSD B. Ostium secundum ASD C. Ostium secundum TGA D. Ostium secundum TOF
PDA is associated with prematurity, low birth weight, high a…
PDA is associated with prematurity, low birth weight, high altitude and low atmospheric oxygen tension, hypoxia, and a variety of chromosomal abnormalities.