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Over [174]
4 years ago
5

What organelle do frog RBCs have that human RBCs do not and explain why?

Biology
1 answer:
Lina20 [59]4 years ago
4 0
Frog RBCs contain a DNA-bearing nucleus that is visible in the center of the cell. Human RBCs do not possess nucleus along with other cell organelles such as mitochondria, Golgi apparatus and endoplasmic reticulum in order to accommodate greater amount of haemoglobin in the cells. Denucleation of rbcs is an adaptation, Which makes the mammalian red blood cell effective at transporting oxygen/eliminating CO2.
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Ann received 23 chromosomes from her mother and 23 chromosomes from her father. The combination of genes on these chromosomes co
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As per the given scenario, the chances of an offspring as a male or female is 50% each.

<h3>What are chromosomes?</h3>

The thread like structure resides inside the nucleus is referred to as chromosomes.

As there are 23 pair of chromosomes present in the organisms, they transfer their equal numbers in the future generation with some variations.

As per the given image, it is clearly shown that there is 50% possibility of being male or female offspring.

Thus, the chances of an offspring of this pairing being born male or female are 50%.

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2 years ago
1. Ms. L's symptoms include shortness of breath, a chronic cough productive of thick mucus,
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The small cell extensions that beat to create an up-ward current are called microvilli.

<h3>What are microvilli?</h3>

Microvilli are small extensions which are found on the surface of the alveoli of the lungs.

The microvilli play an important role in the lungs as the help to remove particles and mucus that may obstruct the lungs as a result of the upward current they create in the lungs from their beating motion.

Therefore, the paralyzed small cell extensions that beat to create an up-ward current are called microvilli.

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3 0
2 years ago
A population is a collection of all the types of organisms in an area.
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The answer of this question is False
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Which characteristics are common to all angiosperms? Check all that apply. Fruits spores flowers nonvascular tissue roots stems.
timofeeve [1]

Angiosperms are commonly referred to as flowering plants, which have the highest division in Kingdom Plantae.

<h3>What are the characteristics of the Angiosperms?</h3>

  • Angiosperms are flowering plants, which are characterized by the production of colorful flowers and fruits.

  • Angiosperms undergo syngenesis, in which the ovary is converted to fruit and the ovule is converted into the seeds.

  • Angiosperms are highly developed and vascular plants, which consist of xylem, phloem, and other specialized tissues.

  • The angiosperms have developed root and stem systems. Stem provides adherence and support, while roots help in the absorption of nutrients from the soil.

Thus, angiosperms have the highest rank of division in the kingdom Plantae and bear several characteristic features like flowers, fruits, and roots.

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7 0
2 years ago
Read 2 more answers
Which assumption must be correct for a population to be in hardy-weinberg equilibrium for a specific gene? see section 23.1 ( pa
Goshia [24]

There are five basic Hardy-Weinberg assumptions:

1. Random Mating -

2. No natural selection - all members of the parental generation survived and contributed equal numbers of gametes to the gene pool, no matter the genotype

3. No genetic drift (random allele frequency changes) - the population is infinitely large.

4. No gene flow - no new alleles were added by immigration or lost through emigration (no migration)

5. No mutation -  There must be mutation equilibrium.


7 0
3 years ago
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