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Dahasolnce [82]
2 years ago
9

Which fitness test measures your cardiovascular system?

Biology
1 answer:
yanalaym [24]2 years ago
3 0

Answer:

The Astrand Treadmill Test. The 2.4 km Run Test. The Multistage Bleep Test.

Explanation:

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Describe homeostasis *
katrin2010 [14]
Homeostasis is the tendency to resist change in order to maintain a stable, relatively constant internal environment.
7 0
3 years ago
Compare the chromosomes in a skin cell to a muscle cel Include an explanation of how the two types of cells can be different
Stells [14]

Answer:

Skin cells are the epidermal cells which all of the organs In the body by forming a tissue called skin

Explanation:

Muscle cells have many mitochondria which provide a lot of energy during contraction and relaxation of the cells.

5 0
3 years ago
The following is a list of the steps that occur in the production of an auditory sensation. The pressure wave distorts the basil
lora16 [44]

Answer:

Movement of the tympanic membrane causes displacement of the malleus.

Movement of the malleus causes movement of the incus and stapes.

Movement of the oval window establishes pressure waves in the perilymph of the vestibular duct

The pressure wave distorts the basilar membrane on its way to the round window

Distortion of the basilar membrane forces the hair cells of the organ of Corti toward or away from the tectorial membrane

Displacement of the stereocilia stimulates sensory neurons of the cochlear nerve.

The different frequency  sound waves are relay as action potential to the auditory center  of the brain.The brain analysis these, based on the frequencies received.This may Interpreted as  high pitch, or low pitch sounds.

Explanation:

6 0
3 years ago
An insertion mutation occurs, leaving 31 nucleotides in a DNA sequence.
deff fn [24]

Answer:

10 codons

Explanation:

During gene expression, the order of the nucleotide sequence in the DNA determines the order of the nucleotide sequence in the mRNA (transcription). Transcription, which is the first stage of gene expression, involves the synthesis of a mRNA molecule using a DNA template. The nucleotide sequence of a DNA molecule is used to produce the nucleotide sequence in a single stranded mRNA molecule.

During translation, which is the second stage of gene expression, the mRNA sequence is read in a group of three (3) nucleotides called CODON. This means three successive nucleotide bases in the mRNA sequence represents one CODON. Each codon specifies a particular amino acid.

However, if an Insertion mutation (addition of one or more nucleotide bases) occur in the DNA sequence that is transcibed into a mRNA sequence leaving 31 nucleotides in the DNA sequence, a maximum of 10 codons will be produced by this sequence.

If 3 nucleotides represent 1 codon

31 nucleotides will represent 31/3 = 10 codons remaining 1 nucleotide

Hence, the maximum codon that can be produced by a DNA sequence of 31 nucleotides is 10.

6 0
3 years ago
Which fibers are primarily responsible for producing lactate?
Jet001 [13]

Answer:

White fibers

Explanation:

White fibers are responsible for producing lactate.

5 0
3 years ago
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