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Tanya [424]
2 years ago
5

Think of what you have learned about the cell theory and stem cell research. How did the development of the cell theory lay the

foundation for the current advancements in stem cell research?
Biology
1 answer:
Sergeu [11.5K]2 years ago
3 0

Answer:

Why is it important to learn about stem cells and stem cell research?

Researchers hope stem cell studies can help to: Increase understanding of how diseases occur. By watching stem cells mature into cells in bones, heart muscle, nerves, and other organs and tissue, researchers may better understand how diseases and conditions develop.

How does stem cell research affect society?

Research with embryonic stem cells may lead to new, more effective treatments for serious human ailments and alleviate the suffering of thousands of people. Diseases such as juvenile diabetes, Parkinson's disease, heart failure and spinal cord injuries are examples.

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How is the movement of leaves of the sensitive plant different from the movement of a shoot towards.
Allushta [10]

The movement of leaves of sensitive plants is known as a nastic movement, while the movement of a shoot towards light is known as phototropism.

<h3>What is a Nastic movement?</h3>

A nastic movement may be defined as a type of movement or response of numerous parts of the plants that are significantly independent of the direction of the external stimulus.

The movement of leaves of the sensitive plants is independent with respect to the direction of the external stimulus and thus is known as a nastic movement.

While the movement of a shoot towards light is known as a tropic movement. This type of movement significantly depends on the direction of external stimuli like the direction of light. And hence is known as phototropism.

Therefore, it is the major difference in the movement of leaves of the sensitive plant with respect to the movement of a shoot towards the light.

To learn more about Phototropism, refer to the link:

brainly.com/question/24176609

#SPJ4

4 0
2 years ago
A male patient presents with the following respiratory volumes and capacities : tv= 500 ml ; erv=1200 what is the patients vc.?
Sedaia [141]
The correct formula for solving this question is: VC = IRV + ERV + TV, where VC is vital capacity, IRV is inspiratory reserve volume, ERV is expiratory reserve volume and TV is tidal volume. From the given information, TV =500, ERV =1200 and the standard IRV for male is 3100ml, therefore,
VC=  3100 + 1200 + 500 = 4800ml.
3 0
2 years ago
Read 2 more answers
If the frequency of the recessive allele for a gene is 0.3, calculate the expected frequency of heterozygotes in the next genera
Kisachek [45]
Q = recessive allele frequency = 0.3, and thus in H-W equilibrium there are ONLY two alleles, q (recessive) and
p (dominant). Therefore all of the p and q present for this gene in a population must account for 100% of this gene's alleles. And 100% = 1.00.
So p, the dominant allele frequency, must be equal to 1 - q --> p = 1 - q
p = 1 - 0.3 = 0.7.
Since heterozygotes are a combination of the p and q, we must again look at the frequencies of each genotype: p + q = 1, then (p+q)^2 = 1^2
So multiplying out (p+q)(p+q) = 1, we get: p^2+2pq+q^2 = 1 (all genotypes), where p^2 = frequency of homozygous dominant individuals, 2pq = frequency of heterozygous individuals, and q^2 = frequency of homozygous recessive individuals.
Therefore if the population is in H-W equilibrium, then the expected frequency of heterozygous individuals = 2pq = 2(0.7)(0.3)
2pq = 2(0.21) = 0.42, or 42% of the population.
Hope that helps you to understand how to solve population genetics problems!
7 0
3 years ago
All sensory information, with the exception of olfaction, must pass though the ________ as it travels to the cerebral cortex. ce
Whitepunk [10]

Answer:

\huge\boxed{\sf Thalamus}

Explanation:

All the sensory information through sensory neurons must pass through the thalamus.

<u>Thalamus:</u>

  • connects cerebral cortex and midbrain.
  • collects information from the midbrain and passes it to the cerebral cortex.
  • is involved in more functions such as; detects sensations of visual, auditory, and gustatory systems.
  • is concerned with memory, emotions.

\rule[225]{225}{2}

7 0
2 years ago
Which of the following statements is true?
marshall27 [118]
The answer would be <span>"A niche is the role an organism has in an ecosystem."</span> Because a niche is the position or 'job' an organism has in an ecosystem. For example, the niche of certain butterflies and bees is to pollinate flowers in an ecosystem which allows them to reproduce.

4 0
3 years ago
Read 2 more answers
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