After looking at the above diagram given, Enzymes are the molecules that were used to cut, copy, and to connect the DNA segments. The correct answer is 2. Make sure to check the number choices, they are out of order on this particular question.
Hello, Saleemsafwah12. The answer would be A - It is younger than the rock layer below. This is because the deeper you go, the older the rock is, opposed to the top layer being the youngest of them all. I hope I helped!! Have a great day.
Answer: Protozoa contaminate the water supply.
Some protozoa are parasites and cause diseases like malaria.
Protozoa have an important role in the food chain.
Protozoa are parasitic or free living single celled eukaryotic organisms. They are mostly found in water bodies.
Protozoa contaminate the water supply: Some of the protozoan species which are released from the human feces usually contaminate thee water, and causes waterborne infections in humans. Examples are Cryptosporium and Giardia. The infection occurs through drinking water or swallowing water from swimming pool.
Some protozoa are parasites and cause diseases like malaria: The Plasmodium is the genus belonging to the protozoan parasites. This malarial parasite is transmitted by female Anopheles mosquitoes to humans. The parasite multiply in the red blood cells causes symptoms like fever, anemia, flue, illness and may also cause coma and death.
Protozoa have an important role in the food chain: The protozoa species plays many roles in the food chain, they act as consumers, predators or prey, herbivores and decomposers. Their main function is to control the population of other species in the same habitat. They engulf small single celled bacteria, hence prevents excessive bacterial colonization act as predator. They also feed upon the algal species therefore, act as herbivores. They act as decomposers, as they feed upon the organic matter present in the bottom of the aquatic water body. They are the source of food for large worm and insect species.
Answer:
D
Explanation:
chloroplasts aids in the process of photosynthesis
Answer:
The correct answer is option E (testosterone).
Explanation:
The interstitial cells or Leydig cells are the individual or group of cells present in loose connective tissues surrounding the seminiferous tubules.
They are usually active in the production of dominant sex hormones in males that is testosterone responsible for male secondary sexual characteristics.They produce hormones in the presence of luteinizing hormone (LH) and growth hormone released by the pituitary gland.
The high cholesterol content and crystals of Reinke make the leydig cells appear pale in color.
Thus, option E- testosterone is the correct answer.
