<p>I forgot to inquire that;</p>
<p>I’m a rising Freshman
Studying Bio - Barron’s
Taking Biochem first 2 years</p>
<pre><code> The various ways to gain insight/perspectives on cells are:
</code></pre>
<p>Ultracentrifugation: Separates the organelles of the cell. Is put into lysing fluid (sucrose). The organelles at the bottom are called “Supernatants”.
Electron Microscopy to obtain the electron micrograph- fine structure of a cell.</p>
<p>I took an SAT 2 Biology practice test on College Board and got a 20/29. I inferred on some things; and others I just knew.</p>
<p>^ I’m not taking AP Bio; I’m just taking an Honors course. Your score, 20/29, is somewhat proportional to 55 raw points out of 80, which is about a 640. Not bad considering you haven’t taken the course yet. That’s just a proportion, so it’s not the most accurate in the world, but it’s a somewhat good indicator of your range.</p>
<p>The pupil is a “hole” that allows light to pass through and enter the eye.</p>
<p>I don’t know… Will my interest in Biology outweigh my interest in Astrophysics? I have years until that question is to be solved.
@ Yakisoba
Thanks for inquiring me on that; it helps a lot :)</p>
<p>If an organism maintains a stable internal environment, then it is able to perform metabolic functions. These metabolic functions are:
Anabolism: Derived from the Greek meaning to “Build Up”.</p>
<p>Catabolism: Derived from the Greek meaning to “Break Down”</p>
<p>hey guys, I took AP Bio and got a 5 on the test, and a 780 on the Bio Subject test(M). If you read through one of the prep books (like Kaplan or Barrons), that’s pretty much all the information you need for the test.</p>
<p>Xylem transports water and minerals up from the roots to the leaves (it is also dead). Phloem transports food (made from photosynthesis) from the leaves, down the plant (it is live tissue).</p>
<p>Good luck guys!</p>
<p>This thread is awesome. ^ Those are really good scores :)</p>
<p>Plant Cell membrane is composed of cellulose which is held together by pectins- a sticky carbohydrate which is then synthesized by the cytoplasm of the cell, thus giving the membrane rigid characteristics.</p>
<p>Chameleon’s change color because they have something called, “Chromatophores” which are pigment producing organelles. Colors vary from emotion to eating diets. Organisms; the nudibranch, changes color depending on its diet.</p>
<p>So it’s September and I’m about to take another practice test. Should I take a Sparknotes, McGraw-Hill’s, or Petersen’s test? Or if I’m feeling bold, what about Barron’s or Kaplan’s? lol</p>
<p>Tip: Save Princeton Review practice tests until a month or two before the test so you can retain the information best. PR’s practice tests are the most accurate.</p>
<p>^You can post a helpful tip or a fact; both are equally helpful!</p>
<p>I don’t know, but I’ve always bought Barron’s books for science. That’s all I ever know and I will stick with them. Though, not much info can be applied here because of that factoid.</p>
<p>@Ten</p>
<p>Nope, that pertains to animal physiology.</p>
<p>Gene duplication is believed to be linked to many special functions carried out by animals. When a gene duplicates; it doesn’t have to take on the original task of the previous gene, thus giving it the ability to code for something completely different. This isn’t hindered by natural selection which is why it can.</p>
<p>A cool example of this theory is the AFP 2 gene (Anti- Freeze Protein Gene) which enables certain aquatic organisms to handle temperatures at below 0 degrees.</p>
<p>I need to know what concepts of Biology M i need for the core section, also is there a cheat sheet. I am bad at bio, how hard is this test</p>
<p>@Ten</p>
<p>I wish we humans had those genes. I wonder how far eugenics will go XD</p>
<p>@Sagar</p>
<p>For Biology M (Microbiology I believe?)
You need to know the chemical processes of cells and organisms. That is what I basically know. Though I’m not sure on how hard the test is, but you can take the practice test on College Board.</p>
<p>Bees have hairs on their compound eyes which helps the Bee to figure out the direction of the wind; and helps to guide the bee in correspondence.</p>
<p>Lol Ten. Within this century? It would take a millennium. Lol :D</p>
<p>The cell theory was developed by Mattius S. and Theodor S. in 1838 & 1839. They combined their concepts and ideas to create it. This theory what soon completed by Rudolph V. in 1858.</p>
<p>I have a ****ton of homework this weekend so I can’t take a practice test right now. Damn.</p>
<p>Tip: on the SAT Bio, always go with the answer that seems most logical to you. Chances are it’s correct.</p>
<p>True… Lol</p>
<p>If cells don’t complete interphase of mitosis, they will die.</p>
<p>Late to this thread, but guess I’ll join LOL
Test day: October 5,2013
Review Materials: Princeton Review & Barron’s
Course: Honors Biology (Already taken)
Current progress: Finished reading Barron’s and Princeton once through each
Practice test scores:
Barron’s diagnostic - 660
Barron’s Practice Test 1- 690
Barron’s Practice Test 2- 750
Kaplan diagnostice-560 (decided to skip the book because the test was way too specific
Princeton Practice Test 1- 720</p>
<p>Do you guys think retaking a test you already took is gonna help at all?</p>
<p>Edit: Didn’t see you guys had a fact thing going on… lol
Most reabsorbtion and secretion takes place in the proximal distal tubule.</p>
<p>I’d retake the test if you know you can get the grade or at least close to what you want. Do any of you guys have Audio downloads for the SAT Bio? Or do you know where I can get it? It’d be really helpful and I’m pretty sick of reading everything by book, that’s why. </p>
<p>A dipeptide is a molecule consisting of two amino acids connected by one peptide bond. </p>
<p>Amino acids consist of a carboxyl, and amine group, and a variable (R), attached to carbon atom. The R variable differs with each amino acid.</p>
<p>[Practice</a> SAT II Bio Tests](<a href=“http://projects.ecfs.org/pchurch/TutoringLinks/Tutoring%20links.htm]Practice”>http://projects.ecfs.org/pchurch/TutoringLinks/Tutoring%20links.htm)
[Practice</a> SAT II Bio Tests](<a href=“http://projects.ecfs.org/pchurch/TutoringLinks/Tutoring%20links.htm]Practice”>http://projects.ecfs.org/pchurch/TutoringLinks/Tutoring%20links.htm)
[Practice</a> SAT II Bio Tests](<a href=“http://projects.ecfs.org/pchurch/TutoringLinks/Tutoring%20links.htm]Practice”>http://projects.ecfs.org/pchurch/TutoringLinks/Tutoring%20links.htm)</p>
<p>is your friend.</p>
<p>@drones, can you look at some of the sparknotes/petersen/mcgraw-hill’s and see which one is most accurate to the real test/PR tests? Thanks.</p>
<p>Adenine and Thymine are double hydrogen bonded together whereas Cytosine and Guanine are triple hydrogen bonded together.</p>
<p>Omg thanks so much for these links Yakisoba!!! 
:D</p>
<p>Theophrastus is the father of Botany. </p>
<p>P.S. I love his name so much…</p>
<p>@yakisoba
Thanks for the practice tests! Didn’t know you could find them online.
As for the difficulties: petersons seems to be pretty simple except for some random really specific questions.
Sparknotes was crazy hard! I don’t think it’s really accurate.
Not sure about McGraw hill but I’ll check it out this weekend</p>
<p>I took the official collegeboard practice test and got a 780. It had really general questions and seemed very simple compared to Barron’s and Princeton. Can anyone confirm this? I hope the actual test ends up being as easy.</p>
<p>An individual’s genotype can be determined through a test cross.</p>