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2 years ago

Bundles of axons that connect the peripheral nervous system to the brain and spinal cord are called _____.

1 answer:

8 0

<span>These are nerves. They are the main way in which perception and response to stimuli take place in our environment. When the nerves are able to recognize the stimuli that we come in contact with, they transmit the message to the brain and allow us to make the proper response.</span>

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Having a dimpled cheek is a dominant trait (D) and having a non-dimpled cheek is a recessive trait (d). If someone is homozygous

Ksju [112]

Hope this helps you.

The genes of an organism can be either a homozygous or a heterozygous one. When someone is a homozygous dominant, it means that it has two copies of the same dominant allele. Homozygous means that the organism has exact copies of the same gene allele.

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3 years ago

What modern day practice helps prevent an inadequate production of thyroid hormones?

Mama L [17]

Iodized salts helps to prevent an inadequate production of thyroid hormones .

<h3>What is iodized salts ?</h3>

Iodized salt is a table salt . it is a mixture of very little amount of sodium iodide and potassium iodide .

It helps to prevent iodine deficiency .

It is a micronutrient and dietary mineral that is naturally present in the food supply .and also it is a heavy element .generally found near sea coasts .

Iodine deficiency disease includes hypothyroidism .

<h3>What is hypothyroidism ?</h3>

It occurs due to less secretion of thyroid hormone caused by iodine deficiency .it causes stunted growth . it shows low rate of metabolism .

Hypothyroidism includes diseases like myxoedema or gull's disease , cretinism .

Inadequate supply of iodine in diet causes enlargement of the gland known as simple goitre.

<h3>Thyroid hormones :</h3>

It is secreted by endocrine glands known as thyroid gland . it includes two types of hormones known as thyroxine and calcitonin .

Thyroxine is an iodine containing hormone known as tetra-iodothyroxine(80%) and tri-iodothyroxine (20%).

calcitonin is secreted from thyroid gland and is polypeptide hormone .

Learn more about thyroid hormones here:

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4 0

1 year ago

A ____ is the underlying combination of genetic material present (but outwardly invisible) in an organism.

Alex

Answer:

D (Genotype)

Explanation:

A genotype is the genetic make up of an organism i.e. what the genetic material

of an organism constitutes. Genotype describes the set of genes contained in an organism's genome. According to Mendel, an organism receives two forms of genes called ALLELE for a trait, one from each parent. The genotype of a specific gene coding for a trait is represented by each pair of allele for that trait.

Although the genotype of an organism is outwardly invisible i.e. cannot be seen, but it determines the phenotype of that organism i.e. the outward appearance. For example, if a plant receives T and T alleles coding for tallness, from each parent. The genotype of that plant for the specific height trait will be (TT). Hence, the TT genotype although invisible but controls the tallness of the plant.

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2 years ago

Food allows organisms to produce energy. What cellular process releases energy from food?

Elena L [17]

Answer:

Cellular respiration

Explanation:

7 0

2 years ago

Read 2 more answers

What is the pair of disaccharides

Aneli [31]

A disaccharide (also called a double sugar or biose[1]) is the sugar formed when two monosaccharides (simple sugars) are joined. Like monosaccharides, disaccharides are soluble in water. Three common examples are sucrose, lactose,[2] and maltose.

Disaccharides are formed by the condensation reactions of two simple sugar molecules.

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2 years ago