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harkovskaia [24]
3 years ago
9

Attraction between molecules of the same substance solution

Biology
1 answer:
Juliette [100K]3 years ago
8 0

Answer:

The attraction among molecules of a substance is called cohesion. Cohesion due to hydrogen bonds makes water molecules "stick together". The attraction among molecules of different substances is called adhesion.

Hope this helps :)

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Population density ?
lora16 [44]

Answer:

The amount of people per square mile or kilometer of land; also called arithmetic density.

4 0
3 years ago
A woman who is a carrier for hemophilia marries a hemophiliac man. What will be their children’s possible phenotypes?
Morgarella [4.7K]

Answer:

Hemophilia is a sex-linked recessive disorder in which a person's blood do not clots and he can bleed to death even after minor injuries because blood will keep running due to a small cut.

It is a recessive trait which means that even if one normal gene is present along with Hemophiliac gene, the person will not have the disease and he will be the carrier.

Question: What will be their children’s possible phenotypes?

If a woman who is a carrier for hemophilia marries a hemophiliac man, their genotypes can be denotes as :

Here H, indicate normal gene and small h indicate defected (hemophilia) gene.

Parents:                      XHXh                   X           XhY

Offspring:                   XHXh : XHY:  XhXh:  XhY

Phenotype of offspring:

XHXh:  The child will be daughter and normal (25 % chances)

XHY:     The child will be son and normal (25 % chances)

XhXh:   The child will be girl and Hemophiliac (25 % chances)

XhY:      The child will be son and Hemophiliac (25 % chances)

Hope it helps!

5 0
2 years ago
How how much muscle mass is food for my body weight
mylen [45]

Answer:

muscle mass is food for my body weight about 227gram of muscle each week

4 0
3 years ago
How is a Cell like a school?<br> PLEASE ANSWER WITH A REAL ANSWER!!!<br> DO NOT SAY "I DON'T KNOW!"
ehidna [41]

Answer:

Lysosome - Janitor, cleans up food particles, waste, and dead cell parts.

Nucleus - Principal, contains DNA and is the control center for the cell.

Cell Membrane - Basically the walls of the school building

Ribosomes - Cafeteria Workers, creates "food" by combining amino acids.

Hope this helps!

3 0
2 years ago
Read 2 more answers
A derived trait of land plants is the presence of small openings that allow gaseous exchange between the plant and its environme
mel-nik [20]

Answer:

B. stomata.  

Explanation:

Stomata are openings in the surface of the plant epidermis through which gases and water vapor pass. They are formed by two elongated cells whose shape is similar to bean grain or dumbbell depending on the species.  These cells are called guard cells, and in their midst there is a slit called the ostiole.

The stomata make the exchanges between the external and internal environment of the plant. They regulate the size of the opening, so it is possible to increase or decrease the rate of perspiration of the plant.

Stomata are usually located at the bottom of the leaf, but in aquatic plants such as the water lily they are at the top and still in vertical growing plants on both sides.

6 0
2 years ago
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