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allochka39001 [22]
4 years ago
15

the _____ system helps guard against infection protect from UV radiation and regulate body temperature

Biology
1 answer:
finlep [7]4 years ago
3 0
- The integumentary system is the answer. It consists of the skin , hair, nails, glands and nerves.
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For children with most physical disabilities and other health impairments, a common cause of academic difficulties is
Ber [7]

For children with most physical disabilities and other health impairments, a common cause of academic difficulties is erratic or irregular school attendance.

Class attendance or school attendance is very important for your academic carrier because if you are not able to attend the class, you did not learn anything, you did not finish your homework etc. and when the exams came you did nothing. So, the children with physical disabilities or other health issues mostly misses the class due to health issues, and this irregular attendance causes difficulties in academic carrier.

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5 0
4 years ago
The presence of a prosthetic implant indicates that the skeleton is definitely not prehistoric.
svetoff [14.1K]
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6 0
4 years ago
Sodium has the atomic number 11. How many electrons are in a sodium ion, which has the symbol Na=?
AlladinOne [14]
Atomic number is the number of protons of an atom. And, given that the atoms are electrically neutral and the charge of one proton is equal to the charge of one electron, the number of electrons is equal to the number of protons. So the neutral atom of sodium has 11 protons and 11 electrons. But, the sodium ion (Na+) has one positive charge, that means that it has lost one negative charge or one electron. Then, the sodium ion (Na+) has 11 - 1 = 10 electrons. <span>Then, the answer is that there are 10 electrons in a sodium ion. 

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5 0
4 years ago
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During which of the following phases of cellular respiration does substrate-level phosphorylation take place? During which of th
AveGali [126]

Answer:

Substrate-level phosphorylation, which is a process of forming ATP by the physical addition of a phosphate group to ADP can take place in the cytoplasm during glycolysis or inside the mitochondrial matrix during the Krebs cycle.

Explanation:

Substrate-level phosphorylation is a metabolic reaction that results in the formation of ATP or GTP by the direct transfer of a phosphoryl (PO3) group to ADP or GDP from another phosphorylated compound.

3 0
3 years ago
Ribosomes make:<br> carbohydrates<br> proteins<br> liplas<br> nuclela acids
almond37 [142]

Answer: proteins

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4 years ago
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