Answer:
Selectively permeable or semipermeable means specific substances are allowed to pass through the plasma membrane.
Explanation:
The plasma membrane is selectively or semipermeable in nature because the plasma membrane allow only specific molecules such as nonpolar substances or hydrophobic substances such as steroidshormone to pass through it and prevent the passage of polar solute molecules such as water,glucose.
To transport these polar solutes across the membrane an additional protein is needed in case of transport of water channel protein is needed whereas in case of glucose transport carrier protein is required.
Highly conserved genes are important for normal function of the organism of every species from prokaryotes to eukaryotes. So such genes do not mutate easily and are highly preserved.
https://socratic.org/questions/what-does-it-mean-for-a-gene-to-be-highly-conserved
Hope this helped!!
~xox Melis
Answer:
A transgenic, or genetically modified, organism is one that has been altered through recombinant DNA technology, which involves either the combining of DNA from different genomes or the insertion of foreign DNA into a genome.
Explanation:
defends body against infections so probobly secreting enzymes
