Compared with normal hemoglobin, the hemoglobin of a person with sickle cell disease a. is longer. b. is shorter. c. has a different sequence of amino acids. d. is sickle-shaped. e. has the same sequence of amino acids.

What happens to a fish when its swim bladder deflates?

Which is an effective stress management strategy? Associate with optimistic people. Increase your annual income. Acknowledge your character flaws. Replicate the efforts of successful people.

What substances are secreted by the oral cavity of humans that aid in digestion?

True or f An antigen is a protein made by your body to respond to a specific foreign molecule

What is energy? A. A change that appears in an object when force is applied B. The property of a body that gives it mass C. The amount of heat produced by a body D. The ability of an object to undergo change E. The ability of a body to move

True or false our sense organs to detcet sound are our ears

Consider two populations of fish that live in separate ponds and differ in the frequency of alleles at a locus. after a flood, the two ponds become connected by a stream and some fish are able to move between the ponds.

Read the descriptions of social behaviors and match them to the type of behavior that is best fit.

A cell is placed into a hypertonic solution. How does the concentration of water differ in the solution and the cell cytoplasm?

What do manufacturers use water for? A. to transport people B. to irrigate farms C. to create tools D. to produce wood and paper products