In fluorescence microscopy a usually used fluorochrome that is fura-2 is sensitive to which ions?

#Question id: 4780

#Unit 8. Inheritance Biology

In chickens, comb shape is determined by alleles at two loci (R, r and P, p). A walnut comb is produced when at least one dominant allele R is present at one locus and at least one dominant allele P is present at a second locus (genotype R_ P_). A rose comb is produced when at least one dominant allele is present at the first locus and two recessive alleles are present at the second locus (genotype R_pp). A pea comb is produced when two recessive alleles are present at the first locus and at least one dominant allele is present at the second (genotype rrP_). If two recessive alleles are present at the first and at the second locus (rrpp), a single comb is produced. Which of the following cross would produce ½ walnut and ½ pea comb ?

#Question id: 1429

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT a microscopic characteristic of tumor cells?

#Question id: 12600

#Unit 10. Ecological Principles

#Question id: 12392

#Unit 6. System Physiology – Plant

#Question id: 11518

#Unit 10. Ecological Principles

R strategists tend to have