For those who were involved in the earthquake in Haiti was which category of stress?

a) hassle. b) eustress. c) a major life change. d) a catastroph.

Which organelle is the powerhouse of the cell, the site of cellular respiration? a. 2 - nucleus b. 5 - endoplasmic reticulum c. 6 - golgi bodies d. 9 - mitochondria

What is an organelle found in most eukaryotic cells described as "cellular power plants", because their primary function is to convert organic materials into energy in the form of atp?

Corn smut and wheat rust are crop diseases caused by fungi.

Which can adapt to changes A. alleles B. population C. offspring D. individuals

Abnormal versions of beta-globin can distort red blood cells into a sickle shape TRUE FALSE

Explain why photosynthesis considered to be an anabolic, endergonic process.

The great number and complexity of organic compounds is reflected in which of the following? Carbon has four valence electrons and can form many other molecules. Carbon has the ability to form a variety of single, double, and triple bonds.

Which hypothesis most likely explains the results at 60°C and 70°C? O A. The substrate has been used up because of the high temperature, O B. The enzyme has changed shape because of the high temperature. O C.

Hemoglobin is a protein found in the blood. which of the indicator chemical test for organic compound would you expect to be positive

Why do cells go through the cell cycle?