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jekas [21]
2 years ago
5

Name 4 examples of carbohydrates.

Biology
2 answers:
Anastasy [175]2 years ago
4 0

Answer:

,,,

Explanation:

Oksana_A [137]2 years ago
3 0

Answer:

Bread, beans, milk, popcorn, potatoes, cookies, spaghetti etc.

Explanation:

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19:04
Yakvenalex [24]

As a person pushes a box across a floor, the energy from the person's moving arm is transferred to the box, and the box and floor become warm during this process, energy is conserved.

Explanation:

This process happens because of conservation of energy. According to the rule of the conservation of energy. Energy can’t be created not destroyed. It simply transformed or converted from one form to another. It simply means this system always need same amount of energy.

When a person moving arm is to transferred into box is form of kinetic energy and on the same way when then floor and box becomes warmer it converts into heat energy. Here the energy transformed into one to another form.  

4 0
3 years ago
In cats having hair dominant (H) over not having hair (h). If a male cat that is hetrozygous for hair is crossed with hairless c
IRINA_888 [86]

Answer/Explanation :

A heterozygous cat has a genotype Hh

A hairless cat has a genotype hh

When crossed, the results could be any of the following:

Hh (with hair)

hh (hairless)

There is a 50:50 chance or 1: 1 ratio that the offspring will have hair.

3 0
3 years ago
Degeneration of the dopamine-releasing neurons of the ________ is the ultimate cause of Parkinson's disease. Degeneration of the
slavikrds [6]

Answer:

a. substantia nigra

b. substantia nigra (it is repeated)

Explanation:

Parkinson's disease is a neurodegenerative disease that is caused by the death of neurons that release the neurotransmitter dopamine in the <u>substantia nigra</u>, or locus niger, -a region of the brain that regulates brain circuits that give the 'orders' to initiate voluntary movements- .

The lack of this neurotransmitter leads to the occurrence of the main symptoms suffered by patients: decreased movements, muscle stiffness, postural instability and tremor. These failures are generated by the abnormal way in which neurons work in the absence of dopamine through a mechanism that is not known in depth.

It is the second most frequent neurodegenerative disease, after Alzheimer's disease, with a prevalence of 2% in people over 65 years. The characteristic symptoms of stiffness, bradykinesia and tremor are associated with losses of neurons in the substantia nigra and dopamine depletion in the striatum. There are large cytoplasmic inclusions, called Lewy bodies, which are the pathological mark of the disease and appear predominantly in neurons that contain melanin of the nigra substance. Genetic studies in a subgroup of families with Parkinson's disease with autosomal dominant inheritance found a locus on chromosome 4q-21 23 and a mutation in the gene that encodes a synaptic protein, α-synuclein.

7 0
3 years ago
Which are examples of biotic factors? Select three options
denpristay [2]
A, D, and F because if biotic once it dies it doesnt lose the biotic factor.
3 0
3 years ago
Read 2 more answers
How long after the formation of Earth did the first life appear?
djyliett [7]

Answer:

4.54 billon years

Explanation:

the earliest time that life forms first appeared on Earth is at least 3.77 billion years ago possibly as early as 4.28 billion years

6 0
2 years ago
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