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3 years ago

3. What is the difference between individual characteristics and class characteristics?

1 answer:

6 0

Class characteristics are not unique to a particular object but place the particular bit of evidence into a group of objects. Individual characteristics narrow down the evidence to a single, individual source.

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In DNA, only the _____ varies from one nucleotide to another.

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Only the bases varies from one nucleotide to another.

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3 years ago

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After intravenous administration of 5.1 millicuries Tc-99m DTPA, flow imaging of the kidneys was performed for approximately 30

Gnoma [55]

Answer:

78701

Explanation:

The nuclear imaging examination is done to accompany the blood as it transported to the kidneys in order to reveal whatsoever blockage and to assess the level of which the kidneys perform filtration. The case study does not pinpoint to the capability of the kidneys tubes and ducts.

In the CPT® Index view for Nuclear Medicine/Diagnostic/Vascular Flow leads us to code range 78701-78709. Since mainly vascular flow was undertaken, we can infer that code 78701 is the right code to report.

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3 years ago

Observations:

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Answer:

In this photo, one can observe the big mountains, the clear blue sky, the sand which covers the ground, the path down the middle and the variety of dry, green plants.

Explanation:

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3 years ago

In the block to polyspermy, entry of the sperm's contents causes ________ levels in the oocyte's cytoplasm to rise, triggering t

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In the block to polyspermy, entry of the sperm's contents causes calcium ion levels in the oocyte's cytoplasm to rise, triggering the cortical reaction.

In biology, polyspermy describes the fertilization of an egg by more than one sperm. Diploid organisms normally contain two copies of each chromosome, one from each parent.

The cell resulting from polyspermy, on the other hand, contains three or more copies of each chromosome—one from the egg and one each from multiple sperm. Usually, the result is an unviable zygote. This may occur because sperm are too efficient at reaching and fertilizing eggs due to the selective pressures of sperm competition.

The cortical reaction is a calcium-dependent exocytotic process in which the content of secretory granules is released into the perivitellin space immediately after fertilization, which serves to prevent polyspermic fertilization.

Learn more about polyspermy here : brainly.com/question/4537960

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1 year ago

A woman who is a carrier for colour blindness (X-linked recessive) has children with a man who has normal colour vision. A. What

guajiro [1.7K]

Answer:

A. $X^CX^c$

B. 1/4 or 25%

C. 1/4 or 25%

D. No

Explanation:

Let the allele for color blindness be represented by c.

A. The genotype of a woman that is a carrier for color blindness = $X^CX^c$

The genotype of a man with normal color vision = $X^cY$

Crossing the two in a marriage:

$X^CX^c$ x $X^cY$

$X^CX^c$ $X^CY$ $X^cX^c$ $X^cY$

From the result of the cross:

B. 1/4 or 25% of their children are expected to be color blind.

C. 1/4 or 25% of their children are expected to be carriers of the allele for color blindness.

D. No. The couple cannot have a girl that is color blind. Their female children could either be totally free of the color-blindness allele or be a carrier.

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3 years ago