The choroid plexus produces cerebrospinal fluid (CSF).  List (in the spaces below) the correct order of CSF circulation from the brain and out around the brain. Only enter one area in each box. [one] [two] [three] [four]

Which of the following best describes the use of light in photosynthesis.

Evaluate. (a)  8! =  [Q5a] (b)  0! =  [Q5b] (c)   100!/99! =  [Q5c]

In a(n) ___________________ solution, the solute concentration is the same on the inside and outside of a cell.

If you toss 8 fair​ coins, in how many ways can you obtain at least two tails​? Follow steps below. ​(“At least​ two” is the complement of​ “zero or​ one.”)    1.  In how many ways can you obtain exactly zero tails? [Q6-1] 2.  In how many ways can you obtain exactly one tail? [Q6-2] 3. Total number of possible outcomes? [Q6-3] 4. Now, you are ready to answer this problem question. [Q6-4]

Which of the following is not a part of the ATP molecule?

If a single card is drawn from a standard​ 52-card deck, in how many ways could it be either an ace or a diamond​? Use the general additive principle. [Q9]

The calculated mass defect for an isotope is the difference between the isotope’s calculated and experimentally measured masses.

One hundred college seniors attending a career fair at a university were categorized according to gender and according to primary career motivation. The following table shows the results. (a) If one of these students is to be selected at​ random, find the probability that the student selected is motivated primarily by money or creativity​, given that the student is male. [Q20-a] ​(Simplify your answer. Type an integer or a​ fraction.) (b) If one of these students is to be selected at​ random, find the probability that the student selected is a male,  given that the student is motivated primarily by money or creativity. [Q20-b] ​(Simplify your answer. Type an integer or a​ fraction.) (c) If one of these students is to be selected at​ random, find the probability that the student selected is motivated primarily  by creativity or a female. [Q20-c] ​(Simplify your answer. Type an integer or a​ fraction.) (d) If one of these students is to be selected at​ random, find the probability that the student selected is motivated primarily  by creativity and a female. [Q20-d] ​(Simplify your answer. Type an integer or a​ fraction.)

In a reaction between lipase and a fat. Lipase is the _______________________ and fat is the _______________________.