This question is unfortunately incomplete. However, the general skull features of <em>H</em><span><em>omo heidelbergensis </em></span>include large brow ridges, a broad, sloping forehead and a rear skull wall that is vertical rather than rounded or sloping.
The correct answer is A. They are synthesized.
In the endoplasmic reticulum, proteins are synthesized on to the surface of a rough endoplasmic reticulum. With the help of ribosomes which contains mRNA, the small bounded organelles enter the chamber where mRNA which contains proteins is being released.
Endoplasmic reticulum also regulates the quality of the proteins.
Answer:
Insecticide DDT(dichlorodiphenyltrichloroethane) have a very harmful effect on the stimuli because it can not be broken down by decomposers such as bacteria and fungi and remain on the surface for a long period of time.
Explanation:
This insecticide is used for controlling pest population in the field but now it is banned around the world due to its harmful effects on humans and other living organisms. This chemical is non biodegradable i. e. cannot be decompose into simpler substances by the action of bacteria and fungi and causes chronic diseases in humans.
Answer:
Ovaries are primary female reproductive organs. They secrete hormones, they protect the eggs a female is born with and they release eggs for possible fertilization.
Explanation:
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