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3 years ago

State two ways in which a single-celled organism, such as amoeba, and a human body are alike?

Biology

2 answers:

Alja [10]3 years ago

8 0

1) Requires oxygen for respiration
2) <span>Undergoes mitosis

hope that helps *smiles*
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Annette [7]3 years ago

6 0

1) They are both Eukaryotic cells.

2) They lack cell wall.

Eukaryotic cell are cells that have a nucleus enclosed within membranes. Also, there are numerous membrane bound organelles which includes Golgi apparatus, mitochondria, Endoplasmic reticulum and Chloroplast.

Cell wall is rigid in nature and semi-permeable protective layer found in cells. They are positioned next to the cell membrane in most fungi, bacterial and plant cells but absent in Animal cells. Furthermore, they perform many important functions in the cell which includes protection, structure and support.

However, both human being and Ameoba have Eukaryotic cells and lack cell wall.

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Suppose there is a protein "A" which binds to a DNA sequence and increases transcription of the gene CBC23. In the presence of m

fenix001 [56]

Answer:

A = Activator

B = Effector

Explanation:

An activator is a protein which typically binds to a short (50–1500 bp) region of DNA which might be located either upstream (mainly) or downstream of a gene so as to cause increased transcription. This particular region of DNA is known as enhancer and activator is also known as transcription factor. Activator is a trans-acting factor which binds to the cis-acting factor which is enhancer so as to enhance transcriptional expression.

But another protein named as effector may restrict activator from binding to the enhancer leading to a decrease in transcriptional expression by binding to the activator allosterically. Allosteric binding of effector to the activator causes conformational change in activator so it can no longer bind the enhancer.

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3 years ago

What type of matter is a radio? use the properties of a radio to explain your chooise

Tresset [83]

Answer:

Solid

Explanation:

A radio device is a solid type of matter.

Matter is anything that has weight and occupies a space
There are three main categories of matter which are solid, liquid and gas
A solid state of matter is made up of substances with a definite volume and a fixed shape.
A radio has a fixed shape. Most of the come in a solid cuboidal or cube shape
The volume of this three dimensional body can be measured which connotes the space it occupies at any given time.
The mass of the radio can be taken using a balance.

4 0

3 years ago

If there were a large amount of glucose dissolved in the water outside of the cell, why would that cause water to diffuse out of

Vladimir79 [104]

The water moves to form a solvent for the glucose.

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3 years ago

Carbon dioxide as hydrogencarbonate ions

EleoNora [17]

Answer:

carbonic anhydrase

Explanation:

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3 years ago

What part of the body would you find the scapula?

Arte-miy333 [17]

You would from the scapula in the forelimb part of the body

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3 years ago