Answer the following question given this paragraph: 8.5 Regulation of enzyme activity helps control metabolism. Q: Metabolism is controlled by regulation of what? Choices: - sequence activity - nucleus activity - cell activity - enzyme activity A:
enzyme activity
(Question)
Answer the following question given this paragraph: Q: Endotherms are warmed mostly by heat generated by what? Choices: - movement - electricity - the sun - metabolism A:
(Answer)
metabolism
Ques: Answer the following question given this paragraph: Q: In the case of the thyroid hormone pathway, thyroid hormone itself carries out what kind of feedback? Choices: - positive - continued - effective - negative A:
Ans: negative
(Q).
Answer the following question given this paragraph: Unsaturated hydrocarbons have at least one double or triple bond between carbon atoms, so the carbon atoms are not bonded to as many hydrogen atoms as possible. In other words, they are unsaturated with hydrogen atoms. Q: When carbon atoms are not bonded to as many hydrogen atoms as possible, what kind of hydrocarbon results? Choices: - unstable - aqueous - saturated - unsaturated A:
(A).
unsaturated
Ques:Answer the following question given this paragraph: Given the mass and speed of an object, calculate its kinetic energy. Q: What can be calculated given the mass and speed of an object? Choices: - harmonic energy - residual energy - systematic energy - kinetic energy A:

Ans:kinetic energy
Ques:Answer the following question given this paragraph: Radioisotopes are widely used in medical diagnosis. These isotopes need to have short half-lives so that they can be administered in very low doses, thus minimizing damage to cells. Q: What type of isotopes have short half-lives and are given in very low doses? Choices: - stable isotopes - gasses - radionuclides - radioisotopes A:

Ans:
radioisotopes