Practice Questions

TLS Online TPP Program

#Question id: 2123

Which of these statements about the composition of membranes is true?

#Unit 2. Cellular Organization

All biological membranes contain cholesterol.
Free fatty acids are major components of all membranes.
The inner and outer membranes of mitochondria have different protein compositions.
The lipid composition of all membranes of eukaryotic cells is essentially the same.

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TLS Online TPP Program

#Question id: 5548

#Unit 5. Developmental Biology

Vertebrate lungs are derived from

TLS Online TPP Program

#Question id: 5549

#Unit 5. Developmental Biology

During initial stages of vertebrate cleavage, successive blastomeres

TLS Online TPP Program

#Question id: 5550

#Unit 5. Developmental Biology

The vertebrate nervous system is derived from

TLS Online TPP Program

#Question id: 5551

#Unit 5. Developmental Biology

When the vertebrate embryo grows into a hollow ball, it is called a

TLS Online TPP Program

#Question id: 5552

#Unit 5. Developmental Biology

Soon after gastrulation, dorsal ectodermal cells condense and form a tube called the _______________ tube.

TLS Online TPP Program

#Question id: 5553

#Unit 5. Developmental Biology

The notochord is a ___ structure in vertebrate embryos that lies under the ___, and is bordered by ___.