Chart the path of air from the atmosphere to the blood. What will be an ideal response?


Air would travel through the following structures in this order: nasal cavity, pharynx, larynx, trachea,
bronchioles, alveolar duct, alveoli, and finally the pulmonary capillaries.

Biology & Microbiology

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An allele whose expression is completely masked by the expression or effect of its allelic partner is

(a) homologous. (b) homozygous. (c) dominant. (d) recessive.

Biology & Microbiology

Which of the following are the water conducting cells of the xylem?

A. tracheids and parenchyma B. vessels and parenchyma C. sieve tubes and tracheids D. vessels and tracheids E. parenchyma and sieve tubes

Biology & Microbiology

Which type of molecule is ricin?

a. protein b. lipid c. nucleic acid d. carbohydrate e. mineral

Biology & Microbiology

The direct cause of the heat generated by a wound or local infection is ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology