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Papessa [141]
2 years ago
5

Select the true characteristics of respiration.

Biology
1 answer:
sergejj [24]2 years ago
6 0

Answer:

takes in carbon dioxide, puts out oxygen

Explanation:

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A certain bacterial mRNA is known to represent only one gene and to contain about
Brut [27]

Answer:

C) 30,000

Explanation:

According to the given information, the bacterial mRNA consists of about 800 nucleotides. Three consecutive nucleotides together make one genetic codon which in turn codes for one specific amino acid in the protein encoded by this mRNA.  

So, an mRNA with 800 nucleotides will have total 800/3 = 266.67 or 266 genetic codes. The protein encoded by this mRNA would have a total of 266 amino acids.  

Given that one amino acid imparts 110 units to the molecular weight of the protein, the protein with 266 amino acids have the molecular weight= 266 x 110 = 29260, that is about 30,000.  

4 0
3 years ago
Which system is responsible for protection as well as support of the body's weight?
Leviafan [203]
The answer is D) skeletal system 

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3 years ago
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The parathyroids are responsible for regulating proper levels of which elements in the blood?
blondinia [14]
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14) Mammalian blood contains the equivalent of 0.15 M NaCl. Seawater contains the equivalent of 0.45 M NaCl. What will happen if
slamgirl [31]

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A) NaCl will be exported from the red blood cells by facilitated diffusion.

4 0
3 years ago
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A. a cell with a diploid number of 12 chromosomes undergoes meiosis. how many daughter cells will be produced and with how many
Kaylis [27]
Answer: ,  12<span>
a cell with a diploid number of 24 undergoes meiosis, how many chromosomes are in each daughter cell?
Mitosis<span>-creates two cells (one division)
-creates body cells
-makes sexual cells
-no crossing over
-daughter cells are diploid</span>



Meiosis<span>-creates four cells (goes through two divisions)
-daughter cells are haploid
-somatic cells
-crossing over happens
-haploid</span>



</span>
7 0
2 years ago
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