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matrenka [14]
2 years ago
11

I need help with this please

Biology
1 answer:
Schach [20]2 years ago
5 0

Answer:

skellu bone

Explanation:

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State one advantage amoeba has over a cell of a lizard
nirvana33 [79]

what are you asking just to be clear


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4 years ago
Explain why globin alone or heme alone is not effective as an oxygen carrier.
givi [52]

Answer: The spellings are wrong. It should be globulin and heme.

Globulin alone is not effective as oxygen carrier because globulin does not have oxygen binding groupband cannot bind oxygen.

Heme alone is not effective as oxygen carrier because the iron present in heme can be oxidized easily and it cannot bind to oxygen.

Explanation:

Globulin are proteins that are present in the blood of humans. It is an oxygen carrier.

Heme is iron containining compound that form the non protein part of haemoglobin and other biological molecules. Heme are responsible for carrying oxygen in the blood.

7 0
3 years ago
List 3 factors that can speed up the rate of chemical reactions
zysi [14]

Answer:

  1. Temperature
  2. Greater Surface Area
  3. Catalysts

Explanation:

Temperature

  • An increase in temperature typically increases the rate of reaction. An increase in temperature will raise the average kinetic energy of the reactant molecules. Therefore, a greater proportion of molecules will have the minimum energy necessary for an effective collision (Figure. 17.5 “Temperature and Reaction Rate”).

Greater Surface Area

  • The rate of a chemical reaction can be raised by increasing the surface area of a solid reactant. ... more particles are exposed to the other reactant. there are more collisions. the rate of reaction increases.

Catalysts

  • A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.

Hope this help!!!

7 0
3 years ago
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(First peson to answer gets brainliest!) how much does solar energy cost per kWh?
Furkat [3]

Answer:

100 energy i guesssss!!!!!!!

4 0
3 years ago
Hemlocks are a common type of tree in the northern forests of the United States. In studying one forest, a forester noticed that
Sergio [31]
"Are deer eating most of the young hemlocks?"
This is because, by reading the data on the forest, she was able to determine that the deer population's increase has caused the Hemlock's population to decrease because the deer eat the young Hemlocks.
6 0
4 years ago
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