1. If Jim’s heart beats 73 times every minute. Jen’s heart beats 68 times every minute, and Leigh’s heart beats 81 times a minute, what is the average heart beat per these 3 people?
a. 73 bpm
b. 74 bpm
c. 141 bpm
d. 222 bpm
2. The Griffith family has 4 dogs. Each of the dogs eats between .9 [...]
When you loose water, your blood becomes more concentrated. Think about how you make a powered drink, such as lemonade. If you use the same amount of powdered drink in 1 liter of water as you do in 2 liters of water, the drinks will taste different. The lemonade made with 1 liter of water [...]
Cora is 1.5 m tall. Cora’s small intestine is 6 m long. How many times longer is Cora’s small intestine than her height?
A. 3 times longer
B. 4 times longer
C. 5 times longer
D. 6 times longer
2, There are 6 blue marbles, 2 red marbles, and 4 green marbles in abag. If someone selects one marble from [...]
Which of the following represents the path that an impulse in a neuron travels?
a. dentrite, cell body, axon, axon terminal
b. axon, axonn terminalm cell body, dentrite
c. dentrite, nuclus, cell body, axon
d. nucleus, cell body, nucleus, axon
2. To where is an impulse that reachers an axon terminal transmitted?
a. another axon temrinal
b. the brain
c. a reflex
d. dentrites
3. [...]
Suppose you have 50,000 flu viruses on your finger and you rub your eyes. Only 20,000 viruses enter your eyes. 10,000 dissolve in chemicals, and 10,000 are wash down into your nose. Of those, you snezze out 2,000. How many viruses are left to wash down the back of your throat and possibly start an [...]
Bacteria is becoming resistant to many human-made antibiotics, which means that the drugs no longer affect the bacteria. Scientist now face the challenge of developing drugs that can overcome the resistant strains of bacteria.
Antibiotics from animals are different from human-made antibiotics.These antibiotics bore holes through the membranes that surround bacterial cells, causing the cells to [...]
A chronic disease is a disease that, that once develped, is always present and will not go away. Chronic bronchitis is a disease that causes the airways in the lungs to become swollen. The irritation causes a lot of mucus to develop in the lungs . As a result, the person with chronic bronchitis coughs [...]
How do the characteristics of living things relate to the structure and function of cells. How do the components of the cell theory relate to what you have learned about cells, give examples. Select an organelle in the animal cell and explain what could occur if that organelle malfunctions within each of your specialized cells. What [...]
There are documented diseases that the result of the miochondria malfunctioning. These diseases can be caused in the DNA of the cell or the mitochondria.
Chemists at ETH Zurich and the Technical University of Munich provide prion researchers with a new tool to elucidate the role played by specific anchor molecules. These complicated anchor compounds are suspected of promoting infections with BSE or Creutzfeldt-Jacob disease.
Several years ago mad cow disease was the number one topic in the media. Discussion of [...]
