Plants growing in soil with low levels of nitrogen may be unable to produce sufficient molecules of
A - VCE - SSCE Biology - Question 6 - 2012 - Paper 1
Question 6
Plants growing in soil with low levels of nitrogen may be unable to produce sufficient molecules of
A. ribonucleic acids.
B. triglycerides.
C. cellulose.
D. sucrose.
Worked Solution & Example Answer:Plants growing in soil with low levels of nitrogen may be unable to produce sufficient molecules of
A - VCE - SSCE Biology - Question 6 - 2012 - Paper 1
Step 1
A. ribonucleic acids.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Nitrogen is an essential component of nucleotides, which are the building blocks of ribonucleic acids (RNA). Plants require sufficient nitrogen to synthesize RNA, which is crucial for protein synthesis and various metabolic processes. Without adequate nitrogen, plants may struggle to produce enough RNA for these functions.
Step 2
B. triglycerides.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Triglycerides are lipids formed from glycerol and fatty acids. While nitrogen is important for the synthesis of some amino acids and proteins, it is not directly necessary for the formation of triglycerides, which can be synthesized from carbohydrates and fats.
Step 3
C. cellulose.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Cellulose is a polysaccharide made up of glucose units and is a major component of plant cell walls. Nitrogen does not play a direct role in cellulose production; rather, cellulose synthesis relies on the availability of carbohydrates.
Step 4
D. sucrose.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Sucrose is a disaccharide made up of glucose and fructose. Its synthesis occurs primarily through photosynthesis and carbohydrate metabolism. While nitrogen is essential for overall plant health and growth, sucrose can still be produced even in low-nitrogen conditions.
