<h2>Scurvy </h2>
Explanation:
(a) Collagen is the major structural component of cartilage,bones and tendons
- The basic unit of collagen is tropocollagen and each tropocollagen consists of three coiled left handed polypeptide chains called α chains
- Generally each α chain consists of a repeating tripeptide sequence called: G-X-Y
- Here G represents glycine; X represents proline and Y represents hydroxyproline
- Rigidity of collagen molecule is due to presence of proline and hydroxyproline
- Hydroxylation of proline is catalysed by prolyl hydroxylase enzyme which use ascorbate,α ketoglutarate and oxygen
- α ketoglutarate is oxidatively decarboxylated to form carbon dioxide and succinate
- Sequence of events leading from a dietary vitamin C deficiency to symptoms such as bruising and breakdown of supporting tissues includes: tissue levels of ascorbic acid is low; enzyme prolyl hydroxylase is inactive; proline is not hydroxylated; the triple helix is inadequately stabilized; collagen breaks down; defects in tissues that depend on collagen
; tissues that depend on collagen are subject to breakdown and bruising
(b) Sailors are no longer susceptible to scurvy because fresh fruits which are the source of vitamin C source are available now
British sailors called "limeys" to this day,this term reflects the British navy's use of limes
Answer
it refers on the variety of life on earth at all its levels from genes to ecosystems and can encompass evolutionary ,ecological and cultural processes that sustain life
<h2><u>advantages of conserving forests and wildlife</u></h2>
1.It protects the endangered species.
2.It preserves different kind of species
Explanation:
That person would weigh 33.07 pounds on the moon
False. The subunits are dependent on the cell itself, and they cannot survive on their own.
Answer:
The correct answer is - ATP , glycolysis.
Explanation:
Heterotrophs are the organism, depends on other organisms for their food and energy. They get their energy when they take their food (glucose or other organic compound).
This organic compound is convert into the chemical energy or energy currency primarily, ATP during the process of glycolysis, the first stage or cycle of cellular respiration.
Thus, the correct answer is : ATP, glycolysis.
