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Dima020 [189]
3 years ago
9

Are there different kinds of bacteria

Biology
2 answers:
shusha [124]3 years ago
8 0

Answer:

yes there are variou types of bacteria

DENIUS [597]3 years ago
4 0

Answer:

yes

Explanation:

....

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I got a few questions and not a lot of point so please answer .-.
hodyreva [135]
1. mitochondria
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3.respiration
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3 years ago
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How do autotrophs and heterotrophs obtain the materials needed to build needed macromolecules ( 2 different sources for autotrop
IRISSAK [1]
<span>Organisms that can produce their own nutrients are called autotrophs, while the organisms that cannot produce their own food are called heterotrophs. Heterotrophs obtain the materials from the food they eat while autotrophs make their own nutrients. Hope this answers the question.</span>
7 0
3 years ago
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Plants and animals do not respond to the presence of abiotic factors in their ecosystems. please select the best answer from the
iogann1982 [59]

The given statement is False. Hence, the correct choice is F.

The activity of the plants and the animals are influenced by the abiotic factors present in their environment. The change in the abiotic factors outside the body such as the temperature, air and the presence of the water molecules provoke responses in the body of the organism. For example, the winters (low temperature) causes the loss of the leaves in the deciduous trees and the increase in the temperature causes more sweating in our body.

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3 years ago
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What species is/are formed at the anode of the alkaline fuel cell?
umka21 [38]

Fuel cells can make an electricity from a simple electrochemical reaction in which oxygen and hydrogen combine to form water. There are several different types of fuel cell but they are all based around a central design which consists of two electrodes, a negative anode and a positive cathode. These are separated by a solid or liquid electrolyte that carries electrically charged particles between the two electrodes. A catalyst, such as platinum, is often used to speed up the reactions at the electrodes. Fuel cells are classified according to the nature of the electrolyte. Every type needs particular materials and fuels and is suitable for any applications. The article below uses the proton exchange membrane fuel cell to illustrate the science and technology behind the fuel cell concept but the characteristics and applications of the other main designs are also discussed.  Proton Exchange Membrane Fuel Cells (PEMFC)

The hydrogen ions permeate across the electrolyte to the cathode, while the electrons flow through an external circuit and provide power. Oxygen, in the form of air, is supplied to the cathode and this combines with the electrons and the hydrogen ions to produce water. These reactions at the electrodes are as follows:

Anode: 2H24H+ + 4e-

Cathode: O2 + 4H+ + 4e- 2H2O

Overall: 2H2 + O22H2O + energy

PEM cells operate at a temperature of around 80°C. At this low temperature the electrochemical reactions would normally occur very slowly so they are catalysed by a thin layer of platinum on each electrode.

3 0
3 years ago
How many fingers did T. Rex have?
ASHA 777 [7]

Answer:

Rex is not a Tyrannosaurus rex because each of his hands has three fingers. Tyrannosaurus had only two fingers on each hand.

8 0
3 years ago
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