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TLS Online TPP Program

#Question id: 5560

In a newly fertilized egg, the vitelline layer ________.

#Unit 5. Developmental Biology

  1. lifts away from the egg and hardens to form a fertilization envelope

  2. secretes hormones that enhance steroidogenesis by the ovary

  3. reduces the loss of water from the egg and prevents desiccation

  4. provides most of the nutrients used by the zygote

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TLS Online TPP Program

#Question id: 5263

#Unit 8. Inheritance Biology

Drug-resistance plasmids could be transferred in A. baumannii by which of the following mechanisms:
TLS Online TPP Program

#Question id: 5264

#Unit 8. Inheritance Biology

Studies done by Buchner showed that ground-up yeast cells were able to convert sugar to alcohol. The components of the mixture that were responsible for this transformation were
TLS Online TPP Program

#Question id: 5265

#Unit 8. Inheritance Biology

The mechanism by which genes are transferred into bacteria via viruses is called
TLS Online TPP Program

#Question id: 5266

#Unit 8. Inheritance Biology

In conjugation the donor cell is recognized by the presence of
TLS Online TPP Program

#Question id: 5267

#Unit 8. Inheritance Biology

The F plasmid carries the information for
TLS Online TPP Program

#Question id: 5268

#Unit 8. Inheritance Biology

Competent cells