Normal biota generally exist in either a _______ or _________ association with their hosts

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


commensal, mutual

Biology & Microbiology

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Given that an individual is a compound heterozygote at the CFTR locus, the gene that causes cystic fibrosis, what can be inferred?

A) If the individual has children, all the children will have cystic fibrosis. B) At least one of the individual's parents had cystic fibrosis. C) The individual is a carrier for cystic fibrosis, but does not have the disease. D) A drug that effectively treats one allele may not treat the other.

Biology & Microbiology

During this stage of mitosis, the nuclear envelope begins to break down and the spindle begins to form.

A. Metaphase B. Prometaphase C. Anaphase D. Prophase E. Telophase

Biology & Microbiology

A toad that eats a bee and is stung tends to avoid eating bees afterward. This is an example of ________ learning

Fill in the blank(s) with correct word

Biology & Microbiology

Describe the similarities and differences observed among phototrophic bacteria

What will be an ideal response?

Biology & Microbiology