Cold water contains more oxygen than warm water
Indicate whether the statement is true or false
TRUE
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Is the statement, “In most biology experiments, the relationship between the independent variable(s) and dependent variable(s) can best be described as cause and effect,” true or false? Defend your answer.
What will be an ideal response?
Why do some animal viruses have an external envelope, while bacteriophages never do?
A. When animal cells are lysed, part of the plasma membrane attaches to the virus; in bacterial cells, it is covered by the cell wall. B. Some animal viruses bud out, taking part of the plasma membrane with them, whereas phages always lyse the host bacterial cell when they exit. C. When phages bud out of the host bacterial cell, they take with them part of the cell wall which forms the capsid, not an envelope. D. When bacteriophages bud out, the plasma membrane is beneath the cell wall and therefore cannot be removed.
If the physical expression of a heterozygous individual is intermediate between those of the homozygotes, the alleles are ________
Fill in the blank(s) with correct word
When the pollen of one plant species will not germinate on the flower of another species, it is an example of
A) temporal isolation. B) hybrid inviability. C) hybrid infertility. D) hybrid vigor. E) gametic incompatibility.