Answer:
i. (answer is in the file I attached)
ii. underground parts of the plants are thick , fleshy and swollen because they store food in the form of starch.
iii. Spines that have been converted into leaves. These prevent water loss by reducing surface area. The spines help defend the cacti from predatory animals. To decrease water loss due to evaporation, the cuticle is very thick and waxy.
iv. this plant is called a water lettuce it's leaves are modified to form modified to form hydrophyte They are aquatic plants that have evolved to thrive in water. This is capable of comprehending with aquatic macrophyte, which will be entirely submerged in water and in some circumstances allowed to float on the water's surface.
hope this helps :)
Answer:
a. to treat a disease characterized by a gene that is not expressed.
Explanation:
The RNA interference (RNAi) technique is widely used in molecular biology to inhibit target gene expression at the post-transcriptional level. The RNAi technology uses small interfering RNAs (siRNAs) consisting of 18-22 nucleotides that bind to complementary acid nucleics (i.e., DNA and RNA), thereby inhibiting target gene expression. Recently, it has interestingly been discovered that small RNA sequences targeting promoter regions can also be used to activate the expression of endogenous target genes through a mechanism called RNA activation (RNAa).
Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm. Bacteria can do this through several mechanisms.
<span>A certain bone is part of the axial skeleton and protects one of the vital organs located in the chest area that is sternum and is also called breast bone and it is like a necktie located at the center of the chest.
so correct option is C
hope it helps</span>
