What action may be part of the scientific method?
What will be an ideal response?
Rejecting the hypothesis
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Which of the following statements is correct regarding cyclic photosynthetic pathways?
A) Water molecules need to be split. B) Both PSI and PSII are required. C) Proton gradients are not formed. D) No exogenous electron source is required. E) all of the above
The protective structure where egg cells are formed in bryophytes and seedless vascular plants is the
a. antheridium. b. stoma. c. strobilus. d. sporangium. e. archegonium.
The process by which an antigen binds to a specific antibody on a naïve B cell, thereby triggering mitosis and the
build-up of a large population of antibody-secreting plasma cells (also known as effector B cells), is called ____________________. Fill in the blank(s) with the appropriate word(s).
Lampreys differ from other vertebrates because they lack
A) metabolism. B) gills. C) skulls. D) jaws. E) hearts.