On friday, christine measures the circumference of an egg and then puts it in a beaker of vinegar. when she comes back on monday, the egg's shell has dissolved and exposed the egg's semipermeable membrane. christine measures the circumference of the egg and finds that it is much larger than it was on friday. according to christine's research, the concentration of solute in a normal egg is much higher than the concentration of solute in vinegar. which process is responsible for increasing the size of the egg? a. exocytosis b. homeostasis c. osmosis d. active transport

Osmosis has taken place in the said situation.

Option C

An egg is actually a cell covered by its cell membrane and protected by a layer of calcium salts outside it. The calcium salt present in the shell of the egg is actually mostly calcium carbonate.

Calcium carbonate is reactive with vinegar which is basically aqueous solution of acetic acid. The reaction produces calcium acetate and carbon dioxide which evolves out, leaving the cell membrane of the egg.

The egg membrane is semi permeable and the cytoplasm of the egg is very much concentrated with proteins and other enzymes. The outside solution of vinegar is very much dilute with respect to the cytoplasm of the egg. So water enters the cell through cell membrane by endosmosis.

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 !

an individual’s sex (i.e., whether they are a male or female) is determined by the sex chromosomes. most people have two sex chromosomes, one that is inherited from their mother and one that is inherited from their father. typically, females have two x chromosomes (xx) and males have one x chromosome and one y chromosome (xy). conditions caused by changes (“mutations”) in genes located on the x chromosome are considered x-linked.

x-linked recessive inheritance

most x-linked conditions are recessive. this means that in a person with two x chromosomes (most females), both copies of a gene (i.e., one on each x chromosome) must have a change or mutation whereas in a person with one x chromosome (most males), only one copy of a gene must have a mutation. a female with a mutation in one copy of a gene on the x chromosome is said to be a “carrier” for an x-linked condition. a male with a mutation in a gene on the x chromosome is typically affected with the condition. because females have two copies of the x chromosome and males have only one x chromosome, x-linked recessive diseases are more common among males than females. however, x-linked recessive diseases can occur in both males and females.

for x-linked recessive disorders, an unaffected carrier mother who has a mutation in a gene on the x chromosome can transmit either the x chromosome with this mutation or a “normal” x chromosome to her children. if the father is unaffected, none of her daughters will be affected and all of her daughters will be unaffected—since they will inherit at least one normal x chromosome from their father. however, each daughter will have a 50% chance of being an unaffected carrier like her mother and a 50% chance of both x chromosomes being normal.