A radially symmetrical animal that has two embryonic tissue layers probably belongs to which phylum?

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#Question id: 4305

#Unit 3. Fundamental Processes

Which of the following molecules is a protein produced by a regulatory gene?

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#Question id: 30049

#Unit 7. System Physiology – Animal

Myocardial fibers are separated by membranes, but depolarization spreads radially (syncytium) because of the presence of:

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#Question id: 4735

#Unit 8. Inheritance Biology

In corn, three dominant alleles, called A, C, and R, must be present to produce colored seeds. Genotype A/–; C/– ; R/– is colored; all others are colorless. A colored plant AaCCRr is crossed with colorless plant aaCcRr. What proportional of offspring plant with colorless seed?

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#Question id: 13156

#Unit 2. Cellular Organization

Tay sach;s disease are caused when which enzyme is mutated or non-functional?

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#Question id: 31185

#Unit 4. Cell Communication and Cell Signaling

The homolog of vertebrate LRP in drosophila, known as: