What is the half-life of an element

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Answer 1

Answer: Half life is the time for an element sample to lose half of it's parent isotope into daughter isotope.

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PLEASE HELP!!!!!!!1) If you were lost at sea and you drank salty seawater, what would you expect to happen to the cells in your body?(shrink,swell,or stay same size )why do you think that?

2) A large-mouth bass is taken from a fresh water lake and transplanted into the river. If the conditions for survival are optimal, would you expect the cells in the fish to shrink,swell,or stay same size why do you think that?

3) If a sea star egg is taken from the ocean and put into Elk Lake would you expect the egg to shrink ,swell,or stay same size why do you think that?

Answers

1. The correct answer is; are body cells is going to shrink. Salty seawater is a hyperosmotic solution, meaning that it has more solutes than the cell inside. The water will move (from the cell) via osmosis in order for the solutions to reach equilibrium. Also, salty solution exerts more pressure on the of the cell, so the cell will shrink.

2. The correct answer cells in the fish will stay the same size. This will occur because both solutions, freshwater lake and river have similar (or equal) solute concentrations. Those solutions are called isosmotic. There is no movement of water or the solutes, so the cell stays the same.

3. The correct answer is to swell.This will happen because sea star egg has the same solute concentration as its first environment-ocean meaning that this solution is hyperosmotic comparing to the lake (ocean is saltier than the lake, it has more solutes). When you put the sea star egg in the lake, the water from the lake will move (via osmosis) into the egg, to reach equilibrium. Water will cause the cell to swell.

1) Our body cells would shrink because the excessive assumption of salt (from the salty seawater), would lead us to use and expel the clean/fresh water we already have out of our body (we'd urinate more as our kidneys would try hard to expel the salt, and we'd use more water than usual as our cells would try to dilute the salt);

2) I would expect the cells in the fish to stay the same size as both waters have a similar environment and saline level;

3) I'd expect it to swell because the ocean is saltier than lakes; it would swell because it would absorb more water than it did its usual environment.

Which process occurs in the structures that are labeled X?

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According to a source, mitosis.

Mitosis and meiosis are simply cell division processes that occurs differently, they're characteristically divergent from each other according to their function and structure. Mitosis is the cell division that happens in all cells in the human body except sperm and egg cells. They produce diploid cells. Take for instance your integumentary system, layer of the skin in which your stratum basale always produces new epithelial cells (via mitosis) to take over until the outer layer, called stratum corneum (a continous replaced dead cells in this layer).

After meiosis there area. two haploid cells.
b. two haploid gametes.
c. four haploid cells.
d. four haploid gametes.

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After meiosis 2 there are 4 haploid gametes

Meiosis is responsible for making sex cells only

Final answer:

After meiosis, there are four haploid cells which can develop into gametes. This process is crucial for sexual reproduction in eukaryotic organisms.

Explanation:

After meiosis, the correct answer is that there are four haploid cells. During this process, one diploid cell (which has two sets of chromosomes) undergoes two rounds of cell division to create four haploid cells (each with one set of chromosomes). These cells can then develop into gametes, or sex cells, which can join together during fertilization to form a new diploid organism. This is a fundamental aspect of sexual reproduction in eukaryotic organisms.

Learn more about meiosis here:

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How do genes affect a flower's color or the length of an animal's tail?

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Answer :But what happens when two different loci affect the same characteristic? For instance, what if both of the loci in Mendel's experiment affected seed color? When two genes are involved in the outcome of one characteristic, a dihybrid cross involving these genes can produce a phenotypic ratio very different from 9:3:3:1. Under these circumstances, there are more than two gene products affecting the same phenotype, and these products may have complex hierarchical relationships. Any time two different genes contribute to a single phenotype and their effects are not merely additive, those genes are said to be epistatic.

Explanation:

Compare and contrast the modes of locomotion in trypanosome,euglena,paramecium,and amoeba/chaos.

Answers

Bacteria use flagella and cillia for locomotion

Which of the following organs is in the abdominopelvic cavity? A) The heart B) The trachea C) The thymus D) The liver