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Sergio039 [100]
3 years ago
15

Describe why fall/autumn and spring have average temperatures?

Biology
1 answer:
ira [324]3 years ago
8 0

Answer: When the northern half of Earth is tilted toward the Sun, the southern hemisphere is tilted away. People in the southern hemisphere experience the shorter day lengths and colder temperatures of winter.

Explanation:

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Which term best describe the earthworm's role in it's habitat
VARVARA [1.3K]

Answer:

decomposing and recycling organic materials in it's habitat.

6 0
4 years ago
Mitochondria are cellular organelles that act as the power generators of the cell by converting oxygen and nutrients into ATP. T
pshichka [43]

Well, I cannot see your list of suggestions but I am assuming one of them would be muscles.

Muscles use a lot of energy and require a large number of mitochondria.

5 0
3 years ago
_____ act as signals or markers to help cells recognize one another.
Varvara68 [4.7K]

Explanation:

-<u>Carbohydrates </u>act as signals or markers to help cells recognize one another.

Carbohydrates are organic macromolecules with a range of functions within organisms. They may act as energy storage, structural support, and signal molecules. Together with transmembrane proteins embedded within the membrane from the extracellular fluid to the cytoplasm, they form glycoproteins (proteins attached to carbohydrates) which function as cell surface markers .

 

Further Explanation:

Carbon, is the backbone of all biological life on Earth. It contains 6 electrons, with 4 on its valence shell, and thus, readily forms covalent bonds with other elements. Covalent bonding involves the sharing of electrons; in nature, this occurs with hydrogen,oxygen, nitrogen, and phosphorus as highly flexible single bonds capable of rotation; rigid, non-rotating  double; and very strong triple bonds. Carbon compounds form rings, and long branched chains- thus, carbon can form macromolecules in nature.

In nature, organic compounds may be large chains of monomers form biological macromolecules which carry out many essential functions in the body. These can include nucleic acids, carbohydrates, proteins and lipids. These are organic molecules, meaning they're ringed or long-chain Carbons bonded to the elements oxygen (O), hydrogen (H), nitrogen (N) and phosphorus (P); they are found in essential organic biomolecules include, proteins, nucleic acids, lipids and carbohydrates.

Carbohydrates function to supply energy and support molecules they consist of mainly sugars or starches in long chains and rings to form monosaccharide monomers. They include monosaccharides, disaccharides and polysaccharides which describes the type of bonding and the degree of complexity of the polymers. Basic makeup: C, H, O -with many polar OH groups

Learn more on  proteins and carbohydrates at brainly.com/question/10744528

Learn more on membrane components at brainly.com/question/1971706

#LearnWithBrainly

3 0
4 years ago
A solution that is a 4 on the PH scale is called
posledela

Answer:

Acid

Explanation:

Below PH of 7 is acidic, and above is considered basic.

6 0
3 years ago
"Synthesis of one protein cannot take place without the presence of another protein." Is this statement true or false and why? T
lbvjy [14]
<span>The third option:</span><span>This statement is true because every step in protein synthesis requires enzymes, which are nothing but proteins.</span><span>
</span>I mean if you look at rRNA which is needed to make polypeptide chains, it is 2/3 protein, and then the helices, ss binding proteins, DNA polymerase and everything in transcription is protein.
So that last option/ third option is the best
8 0
3 years ago
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