Monarch butterflies are protected from birds and other predators but the cardiac glycosides they incorporate into their tissues are from eating milkweed when they were in their caterpillar stage of development. The wings of a different species of butterfly, the Viceroy, look nearly identical to the Monarch so predators that have learned not to eat the bad-tasting Monarch avoid Viceroys as well. This example best describes

TLS Online TPP Program

#Question id: 64

#Unit 1. Structure and Function of Biomolecules

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.

TLS Online TPP Program

#Question id: 65

#Unit 1. Structure and Function of Biomolecules

Identify which of the following pair is enantiomers, diastereomers or meso compounds.

TLS Online TPP Program

#Question id: 66

#Unit 1. Structure and Function of Biomolecules

Which of the following statements regarding isomerism is incorrect regarding biomolecules?

TLS Online TPP Program

#Question id: 67

#Unit 1. Structure and Function of Biomolecules

When a region of DNA must be repaired by removing and replacing some of the nucleotides, what ensures that the new nucleotides are in the correct sequence?

TLS Online TPP Program

#Question id: 68

#Unit 1. Structure and Function of Biomolecules

Match the following functional groups given in column I with their respective representatives given in column II.

COLUMN I	COLUMN II
1. Anhydride	a. RCOOR
2. Ether	b. ROCOCH3
3. Acetyl	c. ROR
4. Amido	d. RCOOCOR
5. Ester	e. RCONH2

TLS Online TPP Program

#Question id: 68

#Unit 1. Structure and Function of Biomolecules

Match the following functional groups given in column I with their respective representatives given in column II.

COLUMN I	COLUMN II
1. Anhydride	a. RCOOR
2. Ether	b. ROCOCH3
3. Acetyl	c. ROR
4. Amido	d. RCOOCOR
5. Ester	e. RCONH2