Which of the following structures will have the slowest rate of conduction of the cardiac action potential?

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#Question id: 6944

#Unit 5. Developmental Biology

Which would lead to a dorsalized embryo? (Recall that genes in Drosophila are named for their mutant phenotype.

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#Question id: 4383

#Unit 3. Fundamental Processes

The mediator complex

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#Question id: 19876

#Unit 13. Methods in Biology

Functions perform by restriction endonuclease is__

a) Cleaving phosphodiester bond

b) Methylation on DNA to perform restriction

c) Cleaving the covalent bond

d) Modify the host DNA sequence to prevent restriction

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#Question id: 5436

#Unit 8. Inheritance Biology

Quantitative characteristics arise from two phenomena either polygenic or environmental influence on genotype. Which of the following is not character of quantitative polygenic trait?

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#Question id: 15148

#Unit 8. Inheritance Biology

You have isolated a set of five yeast mutants that form dark red colonies instead of the usual white colonies of wild-type yeast. You cross each of the mutants to a wild-type haploid strain and obtain the results shown below;

y

you cross each haploid mutant strain to a different haploid mutant of the opposite mating type. What type of mutation shown in the above figure;