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Colt1911 [192]
3 years ago
10

GIVING BRAINLIEST!!!!!

Biology
1 answer:
iogann1982 [59]3 years ago
4 0

Answer:

The main function of the lungs is the process of gas exchange called respiration (or breathing). In respiration, oxygen from incoming air enters the blood, and carbon dioxide, a waste gas from the metabolism, leaves the blood. A reduced lung function means that the ability of lungs to exchange gases is reduced.

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The outer core is less dense than which of Earth's layers? A. crust B. inner core C. lower mantle D. asthenosphere
Tresset [83]
The outer core is less dense than the B.)inner core. This because there is more pressure on the inner core resulting in a higher density. This increased pressure even makes it solid versus the liquid outer core.
5 0
3 years ago
Read 2 more answers
Based on the demonstration and your microscopic investigation, which of the three solutions is hypotonic to the red blood cells?
r-ruslan [8.4K]

You have given no demonstration based on your microscopic investigation so I cant tell you the answer to the question. I will try to help you by elaborating how to decipher..

Three terms hypotonic, hypertonic and isotonic are used when referring to two solutions separated by a selectively permeable membrane.

The hypertonic solution has a great concentration of OAS than the solution on the other side of the membrane. It is described, therefore, as having a great osmolarity. The hypotonic solution has a lower concentration of OAS, or osmolarity, than the solution on the other side of the membrane. When the two solutions are at an equilibrium, the concentration of OAS being equal on both sides of the membrane, the osmolarities are equal and are said to be isotonic.

The net flow of water is from the hypotonic to the hypertonic solution. When the solutions are isotonic, there is no net flow of water across the membrane.

If red blood cells are placed in a solution with a lower solute concentration than is found in the cells, water moves into the cells by osmosis, causing the cells to swell; such a solution is hypotonic to the cells.

So, look at the information and data you have on your microscopic investigation and use these guidelines to tell you which is which.
6 0
3 years ago
¿Cuál es el impacto que tienen las sociedades industrializadas al generar una gran
vladimir1956 [14]

Answer:

Las sociedades industrializadas generan una gran cantidad de productos que no son imprescindibles para el ser humano, por lo que se usan un tiempo y son desechados.

6 0
3 years ago
4. For tomato plants, the allele for red fruit color (R) is dominant to the allele for yellow
Dovator [93]

The  probability that of the F1 offspring will have red pear shaped fruit 0%.

c. 0%

<u>Explanation:</u>

Given-

Red color (R) is dominant over yellow (r) fruit color

Round shaped (F) is dominant over pear shaped (f) fruit

Yellow pear shaped = rrff

Heterozygous for red fruit and homozygous for round shape = RrFF

Gametes of rrff = rf , rf, rf, rf

Gametes of RrFF = RF, RF, rF, rF

Performing a cross between these gametes would give -

The cross performed is attached as a word file for your reference.

According to the cross,

The probability of red pear shaped fruit is 0%

5 0
3 years ago
In the plant snap dragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (W). The he
Alexeev081 [22]

Answer:

The cross between two plants of heterozygous genotype i.e. two pink-coloured flowers will result in progeny/ offsprings having one of each color (white, red and pink).

Parents.... RW × RW

↓ ↓

Gametes... R, W R, W

Inbreeding...

Progeny.... RR, RW, WW, RW

Hence, 50% of the offsprings will be pink coloured, 25% will be of red color and another 25% will be white color.

4 0
2 years ago
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