Human cells are characterized by a____salt (saline) concentration and a ____ glucose concentration.

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


.09% ; 5%

Biology & Microbiology

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What is the name for the type of hormone, secreted by the pituitary that regulates other endocrine organs?

A) tropins B) somatostatins C) somatotropins D) growth hormones

Biology & Microbiology

The sinoatrial node is located in the ____

a. left atrium b. left ventricle c. pulmonary artery d. right atrium e. right ventricle

Biology & Microbiology

Untreated syphilis may persist in a latent state for (months/years/decades) before manifesting as tertiary syphilis.

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

Biology & Microbiology

Below is a pedigree of a human genetic disease in which solid color indicates affected individuals. Assume that the disease is caused by a gene that can have the alleles A or a. What is/are the possible genotype(s) of person 4?



A) AA
B) Aa
C) Either AA or Aa
D) aa
E) Cannot be determined

Biology & Microbiology