Flowering plants respond to day and night length in part through the pigment ________, which occurs in two forms.

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


phytochrome

Flowering plants respond to day and night length in part through the pigment phytochrome, which occurs in two forms.

Biology & Microbiology

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The genetic information in a chromosome is enclosed in the nucleotides sequence of the molecule

a. true b. false

Biology & Microbiology

Which one of the following is TRUE regarding the spleen?

A) It is located in the lower portion of the thoracic cavity. B) Red pulp of the spleen stores excess blood. C) White pulp of the spleen contains macrophages that kill microorganisms circulating in the lymph. D) Red pulp of the spleen contains primarily lymphocytes. E) The spleen has the same functions as the tonsils.

Biology & Microbiology

Robert Koch helped establish the germ theory of disease by discovering that anthrax was caused by a disease. After he isolated and purified the same bacteria from several diseased animals, what would be the next step in order to show that this bacteria

caused anthrax? A) culture the bacteria on Petri dishes B) perform physiological testing C) visualize the bacteria with an electron microscope D) find out if antibiotics treat the diseased animals E) introduce the bacteria into a new mouse to see if it established the same infection

Biology & Microbiology

A feature unique to some archaeal plasma membranes is that they may ________.

A. consist of a lipid bilayer with embedded proteins B. contain sterols such as cholesterol C. consist of a lipid monolayer D. consist of a lipid bilayer that lacks integral membrane proteins

Biology & Microbiology