Gram-negative cell walls have an outer membrane that contains lipids and peptidoglycans
____________________ Indicate whether the statement is true or false.
F, polysaccharides
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The majority of basidiomycetes living in soil occur as
A) diploid mycelia. B) diploid basidiocarps. C) haploid mycelia. D) haploid basidiocarps.
Which of these would not be a suitable use of microbial fuel cells?
A. Fuel cells used to power equipment left in the field for long periods of time. B. Use of unwanted organics leaching from landfills to power fuel cells. C. Use in developing countries lacking in widespread power grids. D. All of these are suitable uses of microbial fuel cells.
When the pituitary gland releases thyroid-stimulating hormone (TSH), the hormone circulates throughout the entire bloodstream, yet only the cells of the thyroid gland respond. This specificity is due to the presence of _____ in the cell membranes of the thyroid
1.adhesion proteins 2.receptor proteins 3.recognition proteins 4.transport proteins
The genetic code is essentially the same for all organisms. Based on this information, one can logically assume which of the following statements to be correct?
a. A gene from an organism can theoretically be expressed by any other organism. b. All organisms have experienced convergent evolution. c. The same codons in different organisms translate into the different amino acids. d. DNA was the first genetic material. e. Different organisms have different numbers of different types of amino acids.