Which of the following is true of the molecule below? nucleotide 3' H₂C T HN O..HN CNH.NG NH O A NH…O ..HNU NH O I CN HNG OHN nucleoside CH₂ O a purine pairs with a pyrimidine base the bases are held together by covalent bonds a nucleoside is made of the same components as a nucleotide The bases make up the backbone on the sides of the molecule
Proteins
We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.
Protein Expression
The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.
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![Which of the following is true of the molecule below?
nucleotide 5'
3′
H₂C
H₂C
TNHNA
O. HN
CNH…NG
NH O
NH O
HNU
NH O
CNHNG
OHN
nucleoside
CH₂
CH₂
a purine pairs with a pyrimidine base
the bases are held together by covalent bonds
a nucleoside is made of the same components as a nucleotide
The bases make up the backbone on the sides of the molecule](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5e4ef555-4895-41d6-bbbc-039a1d980138%2F6cbd798c-92cc-48e2-928c-5baa4b9fbe45%2F3comgm_processed.png&w=3840&q=75)
![Observe the following molecule:
N terminus
H HOHH OHH OHH OHH OHH
| || | |
-C-N- -C-N
H-N-
H
CH₂
C-N-C-C-N-C-C-
T
H₂O-OH CH₂
T
SH
CH₂
T
CH₂
T
CH₂
T
N-H
H₂C
CH₂
CH
CH3
C terminus
C=NH,*
NH₂
Which of the following is true about the molecule above?
O it is a cholesterol molecule
O it is held together by peptide bonds
O it is a polysaccharide called chitin
O it is held together by phosphodiester bonds
CH3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5e4ef555-4895-41d6-bbbc-039a1d980138%2F6cbd798c-92cc-48e2-928c-5baa4b9fbe45%2F46q49rf_processed.png&w=3840&q=75)
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