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Anestetic [448]
3 years ago
15

Ionic bonds are formed between _____ and involved the ____ of ions

Biology
1 answer:
tia_tia [17]3 years ago
6 0
Idk disk. She meiem make md. Ek,e. Key e jzje. Oz w I’d. End for
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Baby scorpions are born with fully developed bodies, each with many special parts such as a stinging tail.
Schach [20]

Answer:

cell differentiation

Explanation:

4 0
2 years ago
What type of chemical bond if formed when one atom loses an electron and another atom gains an electron ?
tankabanditka [31]

Answer: ionic bond

Explanation: Ionic bonding is the complete transfer of valence electron(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.

7 0
3 years ago
Read 2 more answers
Of 2,872 persons who had received radiation treatment in childhood because of an enlarged thymus, cancer of the thyroid develope
Goryan [66]

Answer: People who have received radiation treatment are 15 times more likely to develop benign thyroid tumors relative to does who have not.

Explanation:

Relative risk of benign thyroid tumor = (52/2872)/(6/5055)

= 0.018/0.0012

= 15

3 0
3 years ago
If an atom has 35 protons in the nucleus, how many electrons will it have orbiting the nucleus?
lilavasa [31]
Without a charge, it would be 35 electrons. Protons have a positive charge and electrons negative. They must balance each other out, otherwise the atom will be charged.
8 0
3 years ago
Your lab group is experimenting with the diffusion of molecules across a membrane. Dialysis tubing is used as a model cell membr
Margaret [11]

Answer: the membrane channel

Explanation:

In passive diffusion, the small water molecules can move across the phospholipid bilayer seen in blue. This layer acts as a semi-permeable or selectively permeable membrane; its hydrophilic heads are attracted to water (seen facing outwards) while its water-repellent hydrophobic tails face towards each other- allowing  molecules of water to diffuse across the membrane along the concentration gradient.

Thus the water will move from an area of high concentration  to an area of low concentration, until the system reaches a steady state called equilibrium- after this, there will be no net movement of water. Similarly via osmosis, the water passes through the membrane due to the difference in osmotic pressure on either side of the phospholipid bilayer this means that the water moves from regions of high osmotic pressure/concentration to regions of low pressure/ concentration to a steady state.

The dialysis tubing mimics a semi permeable membrane; it only allows water and small molecules of iodine to cross into the bag containing starch. The tubing is impermeable to starch;  these large molecules require the aid of protein omplexes called membrane channels, in order to move across the membrane and against the concentration gradient.

5 0
3 years ago
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