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wlad13 [49]
3 years ago
10

NEED HELP QUICK! Suggest some reasons why Neanderthals might have become extinct.

Biology
1 answer:
Goshia [24]3 years ago
6 0
I THINK
Neanderthals are the closest extinct relatives of modern humans, and lived in Europe and Asia. Recent findings suggest that Neanderthals were closely related enough to interbreed with ancestors of modern humans— about 1.5 to 2.1 percent of the DNA of anyone outside Africa is Neanderthal in origin
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The mitochondrial electron transport chain
katrin [286]

Answer:

Option B , synthesizes ATP.

Explanation:

When the inner mitochondrial membrane is intact, ATP is synthesized. ATP is synthesized from ADP and Pi by  electrons from NADH or FADH2 to O2. This process is known as oxidative phosphorylation which is driven by an electrochemical proton gradient across the inner membrane with three processes occurring simultaneously  

a) electron transport,  

b) proton pumping, and  

c) ATP formation  

Hence, option B is correct

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3 years ago
How do intracellular communication and intercellular communication differ? Intracellular communication occurs between two cells.
pentagon [3]

Intercellular communication involves an electrical charge moving along a cell membrane. These are communicated through electrical charges flowing in between the cells like in the synaptic gaps of neurons.

Explanation:

Cellular communications are essential for the cell to communicate and control the various cellular activities both within and outside the cell.

Explanation:

Intracellular communications are those which take place within a cell. These signaling pathways also referred transduction pathways are triggered by extracellular communication signals which transmit through biochemical interactions to the nucleus. Eg., action of cyclic AMP.

Intercellular communications is the transfer or communication of information in between cells. These signaling pathways are communicated directly and indirectly. . Eg., neuron transmission and hormone secretion .

4 0
4 years ago
Read 2 more answers
If a generator is powered by a water turbine and water flows thourgh the turbine blades and turn the shaft. The turning shaft th
anyanavicka [17]

Answer:

Kinetic to electric

Explanation:

The turbine blades turn because the water (possessing kinetic energy) pushes the blades. The kinetic energy in the blades turn the shaft, which is still kinetic energy (energy of movement), to power a generator. A generator has an input of kinetic energy and uses it to induce electrical energy.

3 0
4 years ago
The geologic time scale began when earth was _____ And goes on until present. It divided earth’s _____ history into ____ _____ _
Doss [256]
Formed, long, units of time
8 0
3 years ago
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How has deforestation in Haiti altered the climate? a. The loss of trees resulted in less water vapor in the atmosphere and thus
Ivan

Answer:

A)
The loss of trees resulted in less water vapor in the atmosphere and thus less rain.

Explanation:

brainly.com/question/2889643

The primary effect of deforestation in Haiti is the loss of most of the topsoil of the region, that is, soil erosion.  

It leads to decreases in the number of trees or vegetation in the area due to which the transpiration rates decrease significantly.

It alters the water cycle and thus, reduces the rain flow.

6 0
3 years ago
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