Which of the following substances is released

by an endocrine gland?



a. mucus
b. hormones
c. saliva
d. milk
e. tears


B

Biology & Microbiology

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Match the following descriptions to their respective body parts. 7) Vertebrae in the lower back region just above the sacral region. _____ 8) Bones that form on either side of the cranium and are thought of as the temples. _____ 9) Produced from the fusion of five vertebrae and allows an individual to sit. _____ 10) Bone cells that break down bone tissue. _____ 11) Calcitonin stimulates the activity of these bone cells. _____ 12) During childbirth, hormones loosen its cartilage to allow the pelvis to widen. _____

A) Sacrum B) Metatarsals C) Carpals D) Foramen magnum E) Tarsals F) Femur G) Osteoblasts H) Temporal I) Lumbar J) Osteoclasts K) Pubic symphysis L) Humerus

Biology & Microbiology

biology, many complementary processes exist. Explain how condensation reactions are

complementary to hydrolysis reactions. What will be an ideal response?

Biology & Microbiology

Following its initial activation, how does a G protein become inactivated?

A. The G-protein, a subunit, is digested and recycled. B. It spontaneously loses activity within a few seconds. C. The G-protein, a subunit containing a GTP, eventually reassociates with the G-protein bg dimer. D. The G-protein, a subunit GTP, is hydrolyzed to GDP allowing reassociation of the G-protein a subunit and ?? dimer. E. The receptor becomes internalized.

Biology & Microbiology

By analyzing the chemical formulas, you can determine that this molecule, CH3CH(NH2)COOH, is a(n) ________, whereas the molecule C5H10O5 is a(n) ________

A) cholesterol; amino acid B) fatty acid; sugar C) nucleotide; glycerol D) amino acid; sugar

Biology & Microbiology