When hybrid offspring are created between species but are unable to breed successfully, it is referred to as ________
Fill in the blank(s) with correct word
hybrid infertility
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Protein degradation in eukaryotes is performed by ____.
A. ATP synthase B. proteasome C. ribosome D. flagellum E. cytoskeleton
Imagine that a section of heart muscle no longer has gap junctions. What do you think would be the result?
A. The effects would be minimal from this change. B. The ability of the heart muscle cells to contract would be severely compromised. C. The ability of the heart muscle cells to reproduce would be severely compromised. D. The ability of the heart muscle cells to coordinate their contractions would be severely compromised.
The term "paracrine signaling" refers to
a. signaling between cells located far from each other. b. stimulation of a cell by substances produced by the cell itself. c. signaling between cells located close to each other. d. signaling between parenchyma cells.
Organisms that are resident microbiota are best described as
A) microorganisms that remain with the person throughout life. B) any microorganisms that cause disease. C) organisms that remain in the body for a short time. D) microorganisms that may cause a disease under certain circumstances. E) microorganisms that never cause disease.