Q: Rising air currents carry water vapor into what? Choices: - stratosphere - ionosphere - troposphere - atmosphere A:
atmosphere

(Question)
Q: Digestive enzymes, including which enzyme, start breaking down starches into sugars? Choices: - triglyceride - cortisol - melatonin - amylase A:
(Answer)
amylase

Ques: Q: What kind of muscle is responsible for hollow organs contracting? Choices: - micro muscle - tough muscle - rough muscle - smooth muscle A:
Ans: smooth muscle

(Q).
Q: Several neuropeptides, relatively short chains of amino acids, serve as neurotransmitters that operate via metabotropic what? Choices: - lipids - membranes - organelles - receptors A:
(A).
receptors

Ques:Q: What part of the continuous dermal tissue system covers stems? Choices: - dermis - cuticle - callus - epidermis A:

Ans:epidermis

Q: Metabolism is controlled by regulation of what? Choices: - sequence activity - nucleus activity - cell activity - enzyme activity A:
enzyme activity