Question and answer
Which type of tissue is made of cells that contract and relax? A. nervous tissue B. epithelial tissue C. muscle tissue D. connective tissue
C. muscle tissue
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User: Which type of tissue is made of cells that contract and relax? A. nervous tissue B. epithelial tissue C. muscle tissue D. connective tissue

Weegy: C. muscle tissue
cr7|Points 112|

User: From simplest to most complex the four levels of organization of the human body are? A. tissues, cells, organs and organ systems. B. cells, tissues, organs and organ systems. C. organ systems, tissues, cells and organs. D. cells, organs, tissues and organ systems.

Weegy: B. Cells, tissues, organs, and organ systems.
unforsaekn|Points 27|

User: Which type of tissue covers the body, lines internal surfaces and forms glands? A. nervous tissue B. connective tissue C. muscle tissue D. epithelial tissue

Weegy: D. epithelial tissue
danimai|Points 1504|

User: Cells such as nerve and muscle cells contain more mitochondria than other cells. Why? A. Nerve and muscle cells use more energy. B. Nerve and muscle cells store more nutrients. C. Nerve and muscle cells degrade more proteins. D. Nerve and muscle cells divide more frequently.

Weegy: A. Nerve and muscle cells use more energy **remember that the mitochondria are the "power house" organelle of the cell, providing energy through the phosphoralation of ATP**
jher000|Points 7720|

User: This cell is representative of the ________ system. A. skeletal B. nervous C. endocrine D. muscular

Weegy: A. endocrine
danab1019|Points 266|

User: The excretory system consists of which of the following organs? A. stomach, liver, pancreas B. lungs, nose, trachea C. kidneys, ureters, urinary bladder D. brain, spinal cord, sense organs

Weegy: C. kidneys, ureters, urinary bladder
sipichapie|Points 4642|

User: A group of similar cells that perform a specific function is a(n) A. organ system. B. organ. C. tissue. D. organism.



Weegy: C. tissue. a tissue is a similar group of cells that perform the same function.
Expert answered|migzptz|Points 6863|

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Asked 10/15/2012 10:09:37 AM
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During transcription from DNA to RNA, which base occurs only in RNA? A. uracil B. thymine C. adenine D. cytocine User: During translation, a ribosome attaches to the messenger RNA (mRNA) transcript. What does the transfer RNA (tRNA) molecule transfer to the ribosome? A. RNA polymerase B. DNA polymerase C. a polypeptide D. an amino acid
Weegy: uracil Transcription: In the nucleus, DNA is unzipped by DNA helicase. This DNA is then copied by DNA polymerase III to form a new copy of RNA. [ The RNA will then leave the nucleus via a nuclear pore and enter the cytoplasm. Translation: In the cytoplasm, The RNA (which contains A,U,C,G not A.C,T,G like DNA) will bind to a ribosome. Only 2 ribosomes are able to bind to the RNA at any given time. tRNA molecules in the cytoplasm will bind ... (More)
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Asked 10/8/2012 9:26:45 AM
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