A deficiency in the synthesis of sphingomyelins or cerebrosides will most likely result in the improper formation of

TLS Online TPP Program

#Question id: 4902

#Unit 8. Inheritance Biology

Leber hereditary optic neuropathy (LHON) is mitochondrial diseases present in family. Which of the following observation is correct?

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#Question id: 19273

#Unit 9. Diversity of Life Forms

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? 

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#Question id: 11262

#Unit 10. Ecological Principles

When a social organization consists of cooperative individuals, selection will always favor individuals that increase their personal reproductive success by __________.

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#Question id: 8893

#Unit 9. Diversity of Life Forms

While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)

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#Question id: 1861

#Unit 4. Cell Communication and Cell Signaling

Paroxysmal nocturnal hemoglobulinuria results from deficiency in: