You arrive late to a biological seminar. However, just as you enter the room, you hear the speaker referring to the “amino end” and the “carboxyl end” of a macromolecule. Immediately, you know that they are talking about a __________.

Ribosomes are made up of __________.

Mendeleev found that when he arranged the known elements according to their atomic mass, the entries in the table exhibited a pattern of chemical properties that repeated itself in groups of eight elements. This led to the generalization now known as __________.

In eukaryotes, mitochondria are the organelles primarily involved in __________.

The functional group below is acidic.

What is the difference in the bonding between alpha-helix and beta sheets?

The electronegativity of nitrogen (N) is 3.0, while the electronegativity of hydrogen (H) is 2.1. Knowing this, consider how the electrons will be shared in ammonia (NH 3). What do you predict about the polarity of ammonia?

A double-stranded DNA strand contains 26 pyrimidines. How many purines will the copied strand contain?

Lipids are the only class of macromolecules that contain __________.

If a water molecule passes through the outer membrane of a chloroplast, how many more membranes will it have to move through to be inthe stroma?