Identify the chemoreceptor(s) important for detecting possible toxic substances.
A. salty
B. sweet
C. sour
D. bitter
E. salty and sweet
D. bitter
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Which of the following is an example of a clone on the organism level?
A. Identical twins. B. Fraternal twins. C. Two plants of the same species. D. Offspring with characteristics of both parents. E. Chicks hatched from the same mother.
Which process moves materials against a concentration gradient?
a. active transport b. dialysis c. facilitated diffusion
d. simple diffusion e. osmosis
In the remaining megaspore, three rounds of mitosis with no cytoplasmic division result in a single cell with ____ haploid nuclei
a. three b. four c. six d. eight e. twelve
The promiscuity of the CRISPER-Cas9 system likely benefits bacteria by ________
A) continuing the evolutionary process B) increasing the safety of medical applications C) enabling faster search of large genomes D) facilitating defense against new viral attacks