High Schoolbiology

We found 10 articles

What is the phospholipid bilayer and what determines its fluidity?
All cells are surrounded by a cell membrane that forms a barrier between the cell and its surroundings. This membrane is often referred to as the phospholipid bilayer. As you can probably tell from the name, a phospholipid bilayer is made up of two layers of lipids. The fluidity of this membrane must be maintained within a certain range for the ...
An introduction to blood types: genotype, phenotype, inheritance, transfusion, and more!
What determines blood type? Contained within their cell membranes, some red blood cells have special glycolipids called A and B glycolipids. People with blood type A have the A glycolipid in their cell membranes, people with blood type B have the B glycolipid in their cell membranes, and people with blood type AB, have both glycolipids in their ...
Breaking down nephron functioning into six easy steps!
The nephron is the kidney’s smallest functional unit. It works to ensure that the urine you excrete leaves your body in the correct volume and concentration. This is a complicated process, but once you master it, it is exciting to understand this important function of the human body!
Cracking an AP Bio biotechnology question
The AP Biology exam for 2017 is set for the morning of Monday May 8th. So it’s that time of the year again to begin reviewing past concepts and doing practice exams.
Tips and mnemonics for memorizing amino acid structures
Learning amino acid structures is a challenging part of biology and biochemistry coursework. Many students feel totally overwhelmed by the task. The best way to master this skill is lots of repetition (here is a link to a Sporcle quiz that may help you with the repetition part) but it can be helpful to have tricks and mnemonics to get you started. ...
How to solve a 6 grid-in question on the AP Biology exam
On the AP Bio exam, there will be 6 grid-in questions that will require you to do some math. Yes, math. These questions will require you to do some simple calculations and thus you are only allowed a four-function calculator to do addition, subtraction, division, and multiplication. That being said I’ll break down an example grid-in question to ...
Real AP Biology exam solutions
The AP Biology Exam date has been set for Monday, May 8, 2017. Beginning at 8 am that morning, everything you learned over the course of the year will be tested with 63 multiple choice, 6 grid-in, and 8 free-response questions. Although the AP exam seems far off, it’s a good idea to master the basics now and set a good foundation off which to ...
Odor perception on the AP Biology exam
 Last year, AP Biology students did a great job applying their math skills to the test. On average, 55% of math related question were answered correctly compared to 35% in 2013! That’s great news but there were still many questions that students struggled with such as free response Question 7 about odor perception.  This question gave students a ...
How to study for AP Biology
When I was in high school, it was actually my AP Calculus teacher who gave me this AP Bio study tip. I used it with great success that year in AP Bio, and it continued to serve me well throughout college as I majored in molecular biology.