What are the advantages of using Scanned probe microscope?

1. Do not modifies the specimen

2. It modifies the specimen

3. No exposure to high energy radiation

4. Exposure to high energy radiation

Which of the following options is incorrect?

TLS Online TPP Program

#Question id: 5560

#Unit 5. Developmental Biology

In a newly fertilized egg, the vitelline layer ________.

TLS Online TPP Program

#Question id: 5561

#Unit 5. Developmental Biology

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

TLS Online TPP Program

#Question id: 5562

#Unit 5. Developmental Biology

In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.

TLS Online TPP Program

#Question id: 5563

#Unit 5. Developmental Biology

In mammalian eggs, the receptors for sperm are found in the ________.

TLS Online TPP Program

#Question id: 5564

#Unit 5. Developmental Biology

At the moment of sperm penetration, human eggs ________.

TLS Online TPP Program

#Question id: 5565

#Unit 5. Developmental Biology

Among these choices, the largest cell involved in frog reproduction is ________.