Answer:
The Digestive System absorbs nutrients from food and delivers them to the bloodstream, where the Circulatory System transports them to their destination. Filters waste from meals and transports it through the intestines and out of the body.
Explanation: Answer above
No. The first multicellular organisms appeared during the P<span>aleozoic era.</span>
Answer:
<h2>
B) demonstrated that the nuclei from all the differentiated mammalian cells can retain their full genetic potential.
</h2>
Explanation:
Every cell of an organism contain equal number of chromosomes, like nerve cell, mammary gland cell, muscle cell, heart cell etc. all have same number of chromosome and equal amount of DNA. The morphology and functioning of different cell depends on the differential gene expression.
Cell express their genes according to the requirement or the environment or according to the signals.
The cloning of Dolly demonstrated that the nuclei from all the various differentiated mammalian cells can retain their full genetic potential.
The correct answer is E), some of the others are close so if I missed one I am sorry.
