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IRISSAK [1]
4 years ago
7

What are the nine activities that scientists engage

Biology
1 answer:
WITCHER [35]4 years ago
7 0

Scientific inquiry refers to the stages and processes used to explain and investigate a question or problem of a scientific nature. The nine activities that scientists engage in as a part of scientific inquiry are; observation, defining the problem, forming a study question, researching the problem, stating the hypothesis, experimenting and gathering data, analyzing the results, reviewing the findings and communicating using different format.

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In reflex pathways:__________ a) the receptor is a membrane protein b) the efferent is always a motor neuron or hormone c) the e
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Answer:

D

Explanation:

The neural pathway regulates the action reflex. At times sensory neurons synapse occur in the spinal cord rather than the brain, this allows for a quicker reflex action. Synapses in the spinal cord activate spinal motor neurons without delay, which is likely the case if the signals go to the brain, the brain doe however receive the sensory input during the reflex action.

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3 years ago
What are stem cells?
Effectus [21]

Answer:

Stem cells are cells with the potential to develop into many different types of cells in the body. They serve as a repair system for the body. There are two main types of stem cells: embryonic stem cells and adult stem cells

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Totipotent (or Omnipotent) Stem Cells.

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3 years ago
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3 years ago
suggest TWO reasons why fewer birds and other small animals can survive in the areas left after trees have been cut down​
Basile [38]

Answer:

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Explanation:

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8 0
3 years ago
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Mendel observed a 9:3:3:1 ratio of offspring when studying different traits. What would he have concluded if he had observed a 3
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Answer: Mendel would have concluded that one pair of factors (genes) is responsible for two different characters in plants.

Explanation:

The 9:3:3:1  ratio observed by Mendel helped him to form his <em>Law of Independent Assortment </em>which states that the inheritance of one pair of factors (genes) is independent of the inheritance of the other pair.

Also from his previous studies, he obtained a 3:1 ratio for a single gene expression, flower color, which enabled to form <em> the Law of Segregation</em>, which states individuals possess two alleles and a parent passes only one allele to his/her offspring.

However, if he had observed a 3:1 ratio for two traits, he would have concluded that inheritance of characters occurs in pairs i.e., that a pair of alleles is responsible for two different characters in plants.

3 0
3 years ago
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