to regulate what comes in and leaves the cell
Answer:
Option (D).
Explanation:
Skeletal muscles is one of the most important types of muscle that regulate the contraction of skeletal muscles of the body. The skeletal muscle is controlled by the somatic nervous system.
Skeletal muscles are multi nucleate contains large number of nucleus in their structure. The multiple nucleus increases the ability of muscle to produce large number of enzymes. These enzymes are proteins are important for the muscle contraction.
Thus, the correct answer is option (D).
Explanation:
machines ..................................
Answer:Macromolecules
A B
elements found in carbohydrates and lipids carbon, hydrogen, oxygen
lipids have less of this element than carbohydrates oxygen
element found in all organic compounds carbon
element found in proteins but not carbohydrates or lipids nitrogen
Explanation:
<span>The primary evidence that supports the theory that an asteroid strike approximately 65 million years ago caused a mass extinction is a thin layer of clay containing iridium, an element that is common in space, but not on earth being of that age and found in many different places in the world, indicating a large-scale event..</span>
