The majority of the ejaculate consists of sperm cells.

a. True

b. False

Identify the characteristic that plants, people, and flatworms have in common A. They all make their own food. B. They all use cellular respiration to obtain energy. C. They all use photosynthesis to obtain energy. D. They all ingest food.

An alpha-helix in a globular protein is found to have a Phe at every fourth position along the length of the helix. The other amino acids are a mix of polar, charged, and nonpolar.

Explain the following statement: A cell low in ATP is probably starving for raw materials ...

All the different species living in the world make up biological diversity. genetic diversity. a population. a habitat.

What is the best description of the process that occurs in the starter to give sourdough its famous tangy flavor?

What is an abiotic factor that can be found in a rain forest ecosystem

Explain Why, in winter, most of the meltwater produced by salting the roads will not infiltrate the soil

Which processes are directly responsible for the presence of the different species of wheat and corn shown in the diagram above?

Which diseases are caused by viral infection? Anthrax West Nile Measles Hepatitis A Chicken Pox Tetanus Rabies Bubonic Plague Influenza (flu) Hepatitis B Mononucleosis Gonorrhea Lyme Disease Cholera Whopping Cough Common Cold

Which of the following is not true regarding the formation of a dipeptide? A. a molecule of water is produced B. two amino acids are joined together C. a double bond forms between carbon and nitrogen D. a protein is formed