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Lilit [14]
3 years ago
15

In Activity A, you explored photosynthesis in a pond. The dissolved oxygen in a pond is

Biology
2 answers:
Anon25 [30]3 years ago
5 0

Answer:

Photons

Explanation:

Photons are the only source of energy for photosynthesis. Photons are absorbed by chlorophyll molecules within Photosystems I and II (and antennae complexes), generating higher-energy ‘excited’ states of the photosystems which can carry out energetically costly chemical reactions.

blondinia [14]3 years ago
4 0

Answer:

i am thinking the sun is the answer because the sun is usually the main source of energy that is included in photosynthesis

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A woman who is a carrier for colour blindness (X-linked recessive) has children with a man who has normal colour vision. A. What
viva [34]

Answer:

Explanation:

The Genotype of the  woman is XCbXN

The man XNY

Since the allele for the color blindness is carried on one of the X -chromosomes of the  carrier mother, then  the male children will be color blind or carrier deopending on the defective gene they inherited. Since they will receive the defective or normal  allele from the  mothers,but the female will carriers or normal because they will inherit either defective allele or normal allele from the mother,but normal  X allele from the father.

Assuming the colorbind gene was inherited by One of the boys, and the girls take the defective genes

1. XNY vs XCbXN.Then the one of the  boys will be colorblind  and the one of  girls will be carriers. XNXCb, XNXN, XCbY,XNY  50 %

2.If the two boys take the effective genes from the mothers. and none of the girls take the defective alelle

Then the two boys will be colorblind and the girls will be carrries XcbY,XcbY and XNXN XNXN.(normal girls).

The proportions that will be  the females  since the girls can only take the defective allele from one of the normal and defective allele from the mother. Assuming the girls  take the defective allele from the mothers and take normal from the father,they will all  be carriers,since the X of the father is normal.

They can not have a color blind girl.Since the father is normal It takes two colorblind X-chromosome to give a girl.

5 0
3 years ago
a venn diagram comparing and contrasting mitosis and meiosis if you were to add to the venn diagram which description would not
Kryger [21]

Mitosis cells is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

5 0
3 years ago
What information does a food web show that is not demonstrated on an energy pyramid?
luda_lava [24]
Need help ?.........
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3 years ago
How would the contractile vacuole of a freshwater amoeba respond if the organisms was placed in seawater
earnstyle [38]
Well, It would be placed in a hyper tonic solution and will shrink. Hope this helped!
8 0
3 years ago
Read 2 more answers
Breathing rate is most likely to increase if the blood level of
trapecia [35]

Answer:

Breathing rate is most likely to increase if the blood level of carbon dioxide increase.

Explanation:

Breathing rate is the number of breaths of a person during a specific time, is usually the number of respiratory cycles that occur per minute. External respiration is the process of exchanging oxygen and carbon dioxide from the outside of the human body to pulmonary capillary blood. Once in the lungs, oxygen (and carbon dioxide to a very small extent) through the alveoli, pass into the red blood cells of the pulmonary vein blood. Carbon dioxide reacts in the blood with water, thanks to an enzyme, giving rise to bicarbonate. Blood reaches the heart, and is pumped into the cells by systemic arteries. The oxygen in the blood crosses the cell membrane and in turn, an exchange occurs, since the cell expels carbon dioxide and oxygen that it has not used. Once the exchange is done, the blood is conducted through the systematic veins with oxygen whose partial pressure is lower, and with an increase in the partial pressure of carbon dioxide. It reaches the heart again, leads through the right atrium and ventricle and finally travels through the pulmonary artery to the lungs where the air is expelled (expiration). Breathing rate tends to increase when the level of carbon dioxide in the blood increase.

8 0
3 years ago
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