The answer is D. in animal cells, the cell membrane allows materials in and out of the cell, while the mitochondria uses nutrients to make energy (ATP) for the cell.
Answer:
c. birds are baited by the metal hook...
Explanation:
Answer:
The correct answer is - A. Producing offspring that are genetically identical to the parents
Explanation:
Genetic variation is the difference between the population or individual on a genetic level. If there is a change in the DNA of individuals or among the population, it is genetic variation in these organisms.
There are several factors that result in genetic variation such as random mating, random fertilization, mutation, crossing over during meiosis, and many more. Producing genetically identical offspring to the parents is not a factor as there is no variation is taken place on the genetic level.
Answer:
The corect answer is a They contain large number of Rough endoplasmic reticulum
Explanation:
The epithelial cells lining the small intestine helps in both digestion nd absoption of nutrients.The epithelial cells do the same by secreting large amount digestive enzymes.
The digestive enzymes are proteins that are produced by rough endoplasmic reticulum, sorted into golgi appratus and then packed into the vesicles.
Small intestine secrete various digestive enzymes as well as bicarbonate that help in the digestion and absorption of nutrients.
