A product of the anterior pituitary gland that causes color changes in its target cells is ________.

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#Question id: 1928

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a type of tumor that is NOT derived from hematopoietic cells?

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#Question id: 12403

#Unit 6. System Physiology – Plant

In Arabidopsis mutant overexpressing the YUCCA6 gene causes

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#Question id: 18969

#Unit 8. Inheritance Biology

Consider the ABO “blood type” gene. This single gene has three alleles called A, B, and O. There are four resultant “blood types” (phenotypic classes), as follows:C

                               

Assume Hardy-Weinberg equilibrium. In Norway, the frequencies of the A and B alleles are 0.26 and 0.07, respectively. What is the frequencies of these six genotypes (AA, AO, BB, BO, AB, and OO);

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#Question id: 6993

#Unit 5. Developmental Biology

What molecular marker of head identity is found in the apical tip of a Hydra during head regeneration?

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#Question id: 15883

#Unit 12. Applied Biology

Sucrose is replace by another sugar in tobacco callus medium without effecting callus growth. This sugar is an osmotic agent and is not taken into the plant cells or metabolized because of its molecular size.