BIOLOGY HIGH SCHOOL

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help pls Its due in 16 hours ​ - 1

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what is the question? please let me know

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What initially causes a nerve impulse

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Nerve impulses are caused by Potassium (K+) and Sodium (Na+) ions that are located inside and outside of the cell. The structure of the cell membrane is permeable to Potassium but are highly impermeable to Sodium ions. These impulses are transmitted from one nerve cell to the other in very fast series. 

Answer is B) The movement of chemicals into the dendrites of the neuron causes a nerve impulse.

A patient with osteoporosis (reduced bone mass) may have a history of health issues. One issue could be

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I suppose that this information will help you.

Osteoporosis - a chronic, progressive system, metabolic diseases of the skeleton, or a clinical syndrome manifested in other diseases, which is characterized by decrease in bone density, a violation of their microarchitectonics and increased fragility, due to metabolic disorders of bone tissue with a predominance of catabolism of the processes of bone formation, decreased bone strength and increased risk of fractures.This definition refers to osteoporosis diseases of the musculoskeletal system and connective tissue (ICD-10) and completes his term "metabolic or metabolic diseases."
Osteoporosis is a condition wherein the bones become porous or brittle, which is the result from the overall reduction of the quantity of bone tissue. It occurs when the rate of bone reabsorption exceeds the rate of bone formation. The loss of bone mass makes the bones so porous and weakened that they become deformed and prone to fracture. One of the health issues that may be related to the cause of osteoporosis is the inadequate intake of dietary calcium. Individuals with osteoporosis often have insufficient intake of calcium, vitamin D, and vitamin C.

1. Which of the following is responsible for transmitting an impulse across a synapse to another cell?

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You didn't really provide any possible answers here. However, it's very easy to say that the responsible actors for impulse transmission across the synapses from one nervous cell to another nervous cell is what we call neurotransmitters. These are special molecules that can have different effects when binding onto the required receptor sites. 

Onsider the cladogram. mc014-1.jpg Which group of organisms has the derived characteristics of true tissues, bilateral symmetry, and a pseudocoelom?

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The mentioned characteristics of the organism belongs to Pseudocoelomate which has a false cavity, which is a fully functional body cavity. All pseudocoelomates are protostomes. example of Pseudocoelomates is the roundworm. It is also known as hemocoel and blastocoelomate.

15. Unlike New World monkeys, hominines A. have long fingers and toes. B. have arms that rotate at the shoulder. C. have opposable thumbs. D. have strong clavicles.

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Unlike New World monkeys, hominines Have opposable thumbs
C. Have opposable thumbs

Explain how you determined the genotype of Maria and Juanita, even though you did not text their D a

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The answer is a pedigree chart.

Pedigree charts are used to explain the occurrence of particular genes from one generation to the next. It gives enough information about family disease history. They are used in families to find out the probability of inheriting some disease. So, if Maria and Juanita are cousins and the genotypes of other members of their family are known, the pedigree chart could predict their genotypes. Still, it is not as precisely as DNA test.
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How might your study of biology help inform you about your lifestyle choice