Crenation and hemolysis A cell placed in a hypertonic solution will shrink in a process called crenation. A cell placed in a hypotonic solution will swell in a process called hemolysis. To prevent crenation or hemolysis, a cell must be placed in an isotonic solution such as 0.9% (m/v) NaCl or 5.0% (m/v) glucose. This does not mean that a cell has a 5.0% (m/v) glucose concentration; it just means that 5.0% (m/v) glucose will exert the same osmotic pressure as the solution inside the cell, which contains several different solutes. Part D

Question options:

A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur.

Solution A: 3.21% (m/v) NaCl

Solution B: 1.65% (m/v) glucose

Solution C: distilled H2O

Solution D: 6.97% (m/v) glucose

Solution E: 5.0% (m/v) glucose and 0.9%(m/v) NaCl

Crenation: A, D, E

Hemolysis: B, C

Explanation:

Crenation is an osmotic process in which blood cells shrink while placing hypertonic or alkaline solutions.

Crention caused by these hypertonic solutions.

A: 3.21% (m/v) NaCl  (more solutes)  

D: 6.97% (m/v) glucose (more solutes)

D:  5.0% (m/v) glucose and 0.9%(m/v) NaCl  (more solutes)

Hemolysis is the destruction of red blood cells in which cells bloat up and may explode while placing in a hypotonic solution.

Hemolysis caused by these hypotonic solutions.

B: 1.65% (m/v) glucose

C: distilled H2O

d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of   wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports   the evolution of earth due to chemical weathering.

hope it !

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."