Because water tends to move from regions of low solute concentration (such as the cell) animal cells have developed the need for

a water

b homeostasis

c nucleic acids

d active transport

How many cells make up the nucleus

Sickle-cell anemia is an inherited blood disorder. It is caused by a change in the amino acid sequence of hemoglobin. This mutation affects hemoglobin protein structure at what level?

Blood plays an important role in thermoregulation. Which of the following statements about thermoregulation is NOT correct A. Thermoregulation involves a balance between the production of heat and the loss of heat. B.

After cancer chemotherapy, a client experiences nausea and vomiting. the nurse should assign highest priority to which intervention?

Why must density be calculated instead of directly measured?

What initiates the contraction of cardiac muscle?

1. If the sequence on a DNA molecule was CCTAG, the complementary sequence on the mRNA would be: GGAUC GGUTC GGATC UUATU

Adrienne has a pet mollusk. Lately she noticed that her pet has learned how to escape its tank. What kind of mollusk is Adrienne's pet? What makes you believe this?

What math skill do scientists use

How are producers and consumers alike a. they both need sublight to make their own food b. they both are considered heterotrophs c. they both carry out nitrogen fixation d. they both need nutrients to carry out life functions?