Environmental cues that influence the timing of reproduction generally do so by ________.

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#Question id: 19335

#SCPH01 Biochemistry

Which one of the following nanotubes cannot be easily twisted?

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#Question id: 10503

#SCPH06 I Botany

A Pseudomonas species that synthesizes the antifungal compound against the pathogenic fungus Gaeumannomyces graminis known as

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#Question id: 11078

#I Life Science/ Life Sciences Group – I-V

A child has been eating round candies approximately 1 and 1.5 cm in diameter and inhaled one down his airway blocking his left bronchiole. Which of the following will describe the changes that occur?

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#Question id: 4985

#SCPH28 | Zoology

The loss of ventral spines by modern freshwater sticklebacks is due to natural selection operating on the phenotypic affects of Pitx1 gene

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#Question id: 13081

#SCPH06 I Botany

Correct statements about RAPD’s

A. RAPD polymorphism is detected by using oligonucleotides usually more than 10 bases long of random sequences as primers in a reaction.

B. In a strain which has in genomic DNA sequences complementary to the primer oligonucleotide, PCR products will be detected in the gel,

C. Typical RAPD markers show limited variation between parents, especially in naturally inbreeding species.

D. RAPDs are more sensitive than RFLPs to experimental conditions making them more difficult to be consistent and reproducible.