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kobusy [5.1K]
2 years ago
6

Arteries are blood vessels that transport oxygen-rich blood and nutrients throughout the body. What level of organization is an

artery? A. Cell B. Tissue C. Organ D. Organ system
Biology
1 answer:
Contact [7]2 years ago
5 0

Answer:C

Explanation:

The arteries are not a cell bc that is too simple a tissue is also too simple its not a system bc arteries are not a lot of organs working together so its C

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You were able to radioactively tag and thereby trace an amino acid that is used to make insulin, a hormone that will be exported
Mnenie [13.5K]

Answer:

B) rough ER → Golgi complex → Golgi vesicle → extracellular fluid

Explanation:

  • Insulin is synhtesized by beta cells of pancereas (preproinsulin).
  • Insulin enters the rough endoplasmic reticulumn in its inactive form (proinsulin).
  • The rough endoplasmic reticulumn converts it to active form (insulin).
  • The rough endoplasmic reticulumn transfer the insulin to glogi comlpex
  • The Golgi complex secrete it in golgi vesicles to cytoplasm.
  • On the stimulation of beta cells insulin is secreted to extracellular fluid..

5 0
2 years ago
The barn owl's right ear opens slightly upward while its left ear opens slightly downward. this difference enables the owl to de
Fudgin [204]
<span>The barn owl's right ear opens slightly upward while its left ear opens slightly downward. this difference enables the owl to detect the location of a sound. It would actually depend on the location of where it would be at, and based on this, depending where it would then be located, this would then be able to differentiate where it would be located.</span>
3 0
1 year ago
Read 2 more answers
Alleles A and a are located on a pair of metacentric chromosomes. Alleles B and b are located on a pair of acrocentric chromosom
Leto [7]

Answer:

See the second attached image showing the gametes from the parent with the location of the centromere indicating the type of chromosome

Explanation:

According to the position of the centromere, chromosomes can be of 4 types namely:

  1. Metacentric
  2. Acrocentric
  3. Telocentric
  4. Sub-metacentric

A metacentric chromosome is a chromosome that has no short or long arm. The arms are equal in length with the centromere joining the two sister chromatids located at the center.

Acrocentric chromosomes have unequal arm lengths with the centromere skewed towards one end of the chromosome.

Telocentric chromosomes have their centromeres at one end of the chromosome.

Sub-metacentric chromosomes have unequal arm lengths but the centromere is not as skewed to one end of the chromosome length as found in acrocentric chromosome.

The only possible gamete from <em>aa bb</em> parent is <em>ab</em>. Recall that the allele <em>a </em>is located on a metacentric chromosome while allele <em>b </em>is located on acrocentric chromosome.

4 0
2 years ago
Which unique feature of the earliest cave paintings created surprisingly naturalistic depictions of animals?
scoray [572]

Answer:

The first cave paintings are characterized by the use of natural pigments of plant origin such as charcoal, body wastes such as feces and mineral origin.

The paintings were made in caves in areas of darkness and painted with fingers.

8 0
2 years ago
Name two evolutionarily significant benefits of meiosis that are not present in mitosis
dsp73
Meiosis allows more mutations and change than Mitosis. Meiosis can transfer if 1 person is immune to a very dangerous disease than they can provide more people with Immunity by providing offspring
4 0
2 years ago
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