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Rom4ik [11]
3 years ago
9

I need a science scenario that has a control group, a experimental group, and has a testable question

Biology
1 answer:
Artemon [7]3 years ago
3 0
Don't copy others. Come up with your own scenario.
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True or False. Water moves both ways across a Membrane.
geniusboy [140]

Answer:

True

Explanation:

Water molecules can move across a membrane due to size of the molecule. Water molecules are small in size thus can diffuse easily. Big size molecules cannot move across the membrane because the membrane is selectively permeable with tiny pores that allow free passage of gases and water.

7 0
3 years ago
Read 2 more answers
Classify and explain why each of the following is either a mixture or a compound: air, CO, and pure water.
ikadub [295]
 <span>air = a mixture of nitrogen, oxygen and some other bits 
(pure) CO = carbon monoxide, a compound 
pure water = H2O, a compound.</span>
3 0
3 years ago
The gently sloping area of a continent covered by ocean water is called the -
m_a_m_a [10]
B. the continental shelf
3 0
3 years ago
Neurotransmitters can __________________ receptors to turn them on or __________________ them to stop them from transmitting.
NikAS [45]

Neurotransmitters can excite receptors to turn them on and stop them from transmitting.

A neuron releases a signaling chemical called a neurotransmitter across a synaptic gap to influence another cell. Any major body component or target cell that receives the signal may be another neuron, but it could also be a gland or muscle cell. These signals enable you to move your limbs, experience sensations, maintain your heartbeat, as well as receive and process all the information your body receives from other internal body components and your environment. From one neuron (nerve cell) to the following target cell, neurotransmitters transfer chemical signals, or "messages."

The majority of estimates suggest that the neurotransmitter transient lasts only a few hundred to several hundred of microseconds, indicating that post-synaptic activation is marked by a significant degree of non-equilibrium.

Learn more about neurotransmitters here: brainly.com/question/13593873

#SPJ4

5 0
2 years ago
which statement describes only one way that RNA differs from DNA? a. one is a protein, and the other is a nucleic acid. b. they
zalisa [80]

DNA stands for Deoxyribonucleic acid which means it is a nucleic acid. RNA stands for Ribonucleicacid. RNA produces proteins


DNA replicates and stores genetic information.

RNA converts the genetic information contained within DNA to a format used to build proteins.


I would have to say the answer is A based off the information above.


Please correct me if I'm wrong.


3 0
3 years ago
Read 2 more answers
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