The matrix (inside mito) has a negative charge compared to the intermembrane space (outside of mito but still inside) because positively charged protons are constantly pumped from the matrix to the intermembrane space. A cell oxidizes an organic molecule producing 3 NADH molecules and 3 FADH2 molecules..
Answer:
I.
4) The deoxygenated blood then travels through the veins and enters the right side of the heart.
1) The blood leaves the heart through the aorta.
2) The blood travels throughout the body via the arteries to the capillaries.
3) In the capillaries, the exchange of nutrients and gases occurs. Oxygen is absorbed by the cells while carbon dioxide is released into the blood.
II.
2) Exchange of gases happens as oxygen is received by the blood and carbon dioxide is released.
1) The deoxygenated blood flows from the right side of the heart to go to the lungs.
3) The oxygenated blood then returns to the left side of the heart.
Explanation:
Answer:
E) Elephants help other populations survive by repelling many large African predators
Explanation:
Elephants are large mammals. Elephants in Africa have a height of 4 meters and weigh up to 7 tons.
The role of elephants in the ecosystem is very important especially its impact both directly and indirectly on the environment. With a large size and height, other predatory animals such as lions, tigers, coyotes, hyenas do not want to get close to elephants. Elephants are animals that prefer to group. While still breastfeeding will be very protected by the mother for up to 3 years. Elephants have an average age of up to 70 years. Perhaps very few elephants have fallen prey to predators. Thus elephants are animals that indirectly protect other animals in Africa. Things like this also indirectly make grasslands become more fertile and other animal species also become more numerous.
So the most appropriate answer is E. E) Elephants help other populations survive by repelling many large African predators
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Details
Class : Senior High
Subject : Biology
Keywords
- Elephants
- Ecosystem
Answer:
hormones
Explanation:
An example of materials commonly released this way is hormones. These are chemical messengers that are sent to the pituitary gland where they are released directly into the bloodstream. The blood then carries the hormones to different organs and tissues of the body in order to exert their specific function which varies depending on the specific type of hormones being secreted.
Answer:
one normal girl
One normal boy
One carrier girl
One colour blind boy
Explanation:
Haemophilia is a sex linked feature as it is transmitted with the chromosomes determining sex.
In humans,the male has XY and the female has XX.the Y chromosome is usually genetically empty.so as mall received his Y chromosomes from his father,he cannot inherit his father's sex linked traits .but women can as they receive and X chromosomes from their fathers.so a cross between a carrier woman Cc and a normal man C result in;
XX--CC
XX--Cc
XY--C
XY--c
