Answer:
It speeds up the reaction rate
Explanation:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
<span>The endocrine system is comprised of a number of glands that release chemical messengers known as "hormones" into the "bloodstream".
To solve this problem, you should first think to yourself, "What does the endocrine system do? What are the pathways of this system?" This will help you think critically to find the answer.
The endocrine system is the collection of glands that secretes hormones in your bloodstream to reach other organs in the organism.</span>
Answer:
-Obtain and process materials needed for other activities.
Acetylcholine<span>Distributed throughout central nervous system. Involved in arousal, attention, memory, motivation, and movement. Involved in muscle action through presence at neuromuscular junctions. Degeneration of neurons that produce Ache is linked to Alzheimer's disease. Too much ACh- spasms, tremors, too little- paralysis or torpor.</span>
The correct answer is vestigial.
A vestigial composition is an anatomical characteristic, which no longer appears to exhibit an objective in the present form of an organism of the given species. Usually, these vestigial compositions were organs, which had done some essential activity in the organism at one time in the past.
The examples of human vestigiality are plentiful, involving the anatomical compositions like wisdom teeth, human tailbone, and inside corner of the eye.