In algae, gametangia are generally unicellular

_________________ Indicate whether the statement is true or false.


T

Biology & Microbiology

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In all vertebrates with four-chambered hearts, the ________ receives oxygenated blood directly from the ________.

A. left ventricle, left atrium B. left ventricle, lungs C. right ventricle, right atrium D. right ventricle, lungs E. left atrium, left ventricle

Biology & Microbiology

The sex hormones of many animals are a specific type of lipid molecule known as

a. fatty acid. b. phospholipid. c. carotenoid. d. steroid. e. lipoprotein.

Biology & Microbiology

Chlamydomonas is multicellular, produces motile haploid sperm, and is photosynthetic. Chlamydomonas is which of the following?

A. an apicomplexan B. a slime mold C. a protozoan D. a green alga E. a diatom

Biology & Microbiology

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

1. People with genes for a form of hemoglobin known as hemoglobin C are at risk of fatal malaria disease. 2. Staphylococcus aureus is part of the upper respiratory microbiome. 3. Haemophilus influenzae is a common cause of sinus infections.

Biology & Microbiology