True or false as the teacher talks, students hear the voice because particles of air move from the mouth of the teacher to the ear of the student.

Explain the difference between incomplete dominance and codominance

Several billion years ago which gas was the least prevailant in the atmosphere

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.