The most complex organic compunds are the ...

a) carbohydrates

b) proteins

c) lipids

The nucleus is the site of ___ in protein

Jerry wants to start a small business producing jelly made from marine algae. Which of these algae should he select for this purpose?

Over a span of several thousand years, a number of species show adaptations to climate change: Drier, warmer conditions select for succulent vegetation and deep taproots in plants, burrowing in mammals and amphibians, and other similar adaptive

How is it that tiny molecules can release energy that makes something happen?

A group of students is counting the number of plastic bags placed in a landfill during a single day. what are the students doing? A. starting a promblem b. drawing a conclusion c. making a hypothesis d. collecting data by the way this is ecology!

How many chromosomes does a human skin cell have?

Suppose you had a hypothesis you believed to be correct. What should you do to make it become a theory?

Which part of the scientific cycle does the graph directly represents

plants contain lignified conducting cells.

What do male and female gametophytes produce, respectively?