Subatomic particles that have a negative charge and orbit around the nucleus _______________

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


Answer: Electrons

Biology & Microbiology

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Humans gain the least amounts of water by what

route(s)? a. metabolism b. ingestion of liquids c. ingestion of solids d. ingestion of liquids and of solids e. all of these contribute equal amounts of water

Biology & Microbiology

________ is a human hereditary disease that is caused by a dominant allele but does not show up in affected individuals until they are in middle age.

A. Tay-Sachs disease B. Hemophilia C. Huntington's disease D. Cystic fibrosis E. Sickle cell anemia

Biology & Microbiology

Which of the following is both a codon for an amino acid and a start signal?

A) AAA B) AUG C) UAG D) GAU E) UGA

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. A person must have two alleles for hemoglobin S in order to suffer from sickle-cell anemia. 2. A carrier for a genetic disorder will pass the allele to all of their offspring. 3. If one of your parents has Huntington disease and is heterozygous for the disorder, you have a 50 percent chance of inheriting the disease.

Biology & Microbiology