Answer:
An individual skeletal muscle may be made up of hundreds, or even thousands, of muscle fibers bundled together and wrapped in a connective tissue covering. Each muscle is surrounded by a connective tissue sheath called the epimysium. Fascia, connective tissue outside the epimysium, surrounds and separates the muscles.
Explanation:
Answer:
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Explanation:
Typically, a baby is born with 46 chromosomes. Babies with Down syndrome have an extra copy of one of these chromosomes, chromosome 21. A medical term for having an extra copy of a chromosome is 'trisomy. ' Down syndrome is also referred to as Trisomy 21.
Answer:
Explanation:
The arrangement below is from the smallest to the biggest
nucleotide → nucleus DNA → gene → chromosome → cell
The nucleotide is the smallest because it is what makes up the DNA, it is made up of a nitrogenous base, ribose sugar and a phosphate group.
Nucleus DNA follows because it is bigger than a nucleotide (as said earlier) but is singly found in the chromosome which is present in the nucleus.
The gene, which can be assumed to be the entire genome of the organism, involves both the chromosomal gene and the extrachromosomal gene (like the mitochondrial DNA).
Chromosome is made up of a DNA molecule and protein which makes it bigger than the Nucleus DNA and the gene because it contains several genes.
The Cell contains all the molecules/organelles mentioned above and as such is the largest among them all.
Note that the spellings the question are wrong and have been corrected in the answers provided
Answer:
Nitrogen
Explanation:
The air in the atmosphere is made out of 78% Nitrogen, 21% oxygen, and 1% other gases.
