Answer:
antibiotics
Explanation:
pesticides have to do with nature and killing bugs, weeds, etc. Irrigation has to do with watering plants and people. Trucks are vehicles that transport. Antiobiotics help kill bad bacteria in your body when your sick, so that's health related.
Answer:
An electrogenic effect
Explanation:
An electrogenic transport is a process where there is a translocation of net charge across the membrane. E.g of electrogenic channels are Na+, K+, Ca2+, and Cl− channels.
Answer:
DNA
Explanation:
<h2>What is DNA?</h2>
DNA is a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
Answer:
haploid and contain 23 chromosomes
Explanation:
The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.
I think the correct answer would be A. The yolk sac becomes the placenta. It is membranous sac that is attached to the embryo. It provides all the nutrition and the blood cells needed by the embryo. It is also called the umbilical vesicle.