Hydroponics system is a soil-less cultivation method. It can be used to grow plants in a nutrient-rich, water-based solution. In this method of cultivation, roots of plants are suspended in water so that roots. Some of its advantages are – Crops can be well-managed and grown twice as fast.
The answer is B hope this helps you:) I did this test yesterday
Answer and Explanation:
1. Amino-acid sequence is the primary structure of a protein
2. Alpha helices, beta sheets and coiled coils refers to the protein folding and they represent the secondary structure of a protein
3. Protein ensemble formed by alpha helices, beta sheets and coiled coils represent the tertiary structure of a protein
4. Macromolecules with multiple polypeptides form globular or fibrous protein structures (quaternary structure)
Most likely clay, silt and sand are to be found in samples of rocks.
Most plants have roots, but there are some
exceptions. The exceptions are bryophytes
and the groups of green algae that are
classified as plants. Bryophytes have rootlike
structures called rhizoids for absorbing
water, but because rhizoids lack vascular
tissue they are not considered roots.