An element's atomic number is 49. How many electrons would an atom of this element have?

Differentiate Humoral immunity vs cell mediated immunity

The organic waste collected in your backyard will provide which type of energy? geothermal energy hydropower solar energy biomass energy

In fruit flies long wings (W) are dominant to short wings (w). What is the phenotype of the unidentified parent? A. wingless B. short winged C. medium winged D. long winged

Which does the letter A represent in the diagram?

Which of these decrease as greenhouse gas pollution increases? A. Rate of ice sheet melting B. Ocean surface temperature C. Sea levels D. Rate of thermohaline circulation

Chemical reactions that release energy Question 6 options: will always explode. need catalysts to occur. often occur spontaneously. will not occur.

Match the amino acid (AA) with its correct side chain category: 1) proline A) acidic AA 2) histidine B) nonpolar AA 3) alanine C) basic AA 4) threonine D) polar AA 5) tryptophan 6) aspartic acid

In which structure of the female reproductive system are eggs priduced

In a forest, rabbits are the prey to owls. An increase in the number of rabbits in the forest would result in Group of answer choices A. an increase in the number of owls. B. an increase in the number of producers.

How are viruses different from bacteria Bacteria are heterotrophic while viruses are autotrophic. Bacteria are living organisms; viruses are not. Bacteria have a membrane bound nucleus while viruses do not.