What chemical structure makes up the cell membrane?

protein bilayer

hydrophilic phosphate

phospholipid bilayer

hydrophobic fatty acid

Use Paleontology in a sentence

The human genome comprises about 3 x 109 base pairs of DNA, and no two humans, other than identical twins, ever have been or will be genetically identical. Between any two humans, the amount of genetic variation is about 0.1 percent.

How much energy will the cows get from the hay? 20% 50% 10% 100%

Where in the male reproductive system would you expect to find the most mature spermatozoa? a. in the head of the epididymis b. in the ductus deferens and ejaculatory duct c. in the seminal gland d. in the prostate gland e.

One advantage to locomotion in animals is that it provides the animals with an increased ability to

If someone told you that a blade of grass, the sun, the air you breathe, and your body were composed of the same incredibly small particles, would you believe them?

State three roles of tissue fluids

Will Upvote for what is the endocrine system responsible A) ridding of waste B) protecting from invaders C) breathing D) maintaining homeostasis

Cosa sono i celenterati?

After reading the procedure, you remain unsure of what to do with your chemical waste. you should