BIOLOGY HIGH SCHOOL

You are a scientist who discovers three new species of beetles in the jungles of South America. Describe, in detail, how a protein found in each of these beetles can be used to determine which species are more closely related. Be sure to answer this question in paragraph form using complete sentences.

Answers

Answer 1
Answer: Since all of the three beetle species posses the protein, we can use it to determine their relations. We can study the sequence of the amino acids that make the protein and the 3D structure of the protein. The more differences there are in amino acid sequences and the structure of the protein, the species are more distantly related because they have diverged a long time ago and their genes that produce that protein have undergone many changes over time.

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HIGH SCHOOL

I need help asap!!!!! When you answer this question, 98 points will be added to your account and the person that answers this question first will get the brainliest answer. So,here's the question The owners of a large tropical resort are considering a plan to destroy a large coral reef just offshore. They reason that, if the reef is gone, cruise ships will be able to dock closer to their resort and they will gain business. Write a letter to the resort’s owners explaining how they might benefit more by preserving the reef instead.

Answers

The resort owners need to know that Coral reefs are important to the ocean because coral reefs provide a buffer, protecting our coasts from waves, storms, and floods. Corals form barriers to protect the shoreline from waves and storms. The coral reef structure buffers shorelines against waves, storms, and floods, helping to prevent loss of life, property damage, and erosion.

as a resort owner, u should know dat cruise ships will not bring good business to u: they stay on ships n when they get on shore, the curise line wants 'em to sign up its own shore excursions. ur resort may get meal business but thats not much.

if u keep the reef, u can advertise how large n nice the reef is n how close the reef is to ur resort. it can become an ecological attraction. ppl will come 2 see the coral reef. ur resort will be full. u can set up boat tours 2 da reef or even diving classes 4 tourists. those will bring much better business 2 ur resort than cruise ships.


HIGH SCHOOL

A neuron transmits information by the secretion of hormones. True or False

Answers

Answer:

The given statement is false.

A neuron is the basic structural and functional unit of the nervous system. It helps in transmitting information from one neuron to another neuron, gland, or muscle cell.

The conduction of nerve impulse is electrochemical in nature. It transmits the impulse electrically through the axon the nerve cells and chemically through synapses (gap between two nerves cells).

The axon terminals of pre-synaptic nerve cell release chemical messengers (also called neurotransmitters) in the synaptic cleft. These messengers then bind to the receptors present on the post-synaptic nerve cell and regenerate the nerve impulse.

Answer:

i believe it is false

Explanation:

HIGH SCHOOL

Describe two ways in which animals must maintain homeostasis

Answers

Sweating and shivering. Sweating occurs when you get too hot and your body is trying to cool you down, shivering is when it's too cold and your body is trying to produce heat.
HIGH SCHOOL

Arrange the sentences in order to describe how oxygen from air is transported to the cells in the kidneys. 1. The air diffuses into the capillaries surrounding the alveoli.

2. The pulmonary veins carry oxygenated blood to the heart.

3. Air enters the bronchioles in the lungs and reaches the alveoli.

4. The capillaries join together to reach the arteries, transferring the oxygen.

5. The oxygen-rich blood moves from the aorta and reaches the kidneys through a series of blood vessels.

6. The left atrium fills with oxygen-rich blood and contracts to fill the left ventricle.

Answers

The order of the sentences should be:

3. Air enters the bronchioles in the lungs and reaches the alveoli.
1. The air diffuses into the capillaries surrounding the alveoli.
2. The pulmonary veins carry oxygenated blood to the heart.
6. The left atrium fills with oxygen-rich blood and contracts to fill the left ventricle.
5. The oxygen-rich blood moves from the aorta and reaches the kidneys through a series of blood vessels.
4. The capillaries join together to reach the arteries, transferring the oxygen.

The sentences are self-explanatory. Roughly the order would be: lungs, gas diffusion, left heart, kidney

The right order is 3 ==> 1  ==> 2 ==> 6 ==> 5 ==> 4.

The role of oxygen on our cells is paramount. There is 21% in the air we breathe.

The air we breathe comes directly into our airways to our lung alveoli. The blood is responsible for carrying the oxygen that is released to penetrate the cells (95% of the oxygen is fixed on the hemoglobin).

The need for cellular oxygen is not the same for all. Indeed the nerve cells consume 20 times more than the muscle at rest. In times of effort, the muscle can consume 20 times more energy.

HIGH SCHOOL

What is an allele? trait form that is hidden by a dominant gene identical copies of two different genes trait form that is displayed by recessive genes one of different forms of the same gene

Answers

Answer:

one of different forms of the same gene.

Explanation:

Mendelian ‘factor’ later called genes. The gene is responsible for the inheritance of traits or characteristics. The genes for each present in different forms. Each organism have two copies of each gene for a trait. For example, the shape of a seed is determined by the gene R its allele will be r. Thus, alternative forms of a same gene is called allele. Round seed is dominant have genes RR or Rr. Wrinkled seed is recessive feature  will be rr.  

Answer:

D

Explanation:

COLLEGE

What patterns can be used to identify the ancestry line of an organism?

Answers

The dna of the organisms, also compare it to similar fossils and other organisms.
HIGH SCHOOL

One reason why it is against the law to feed wild dolphins is because select one: a. dolphins have diseases and you will get sick if you touch them.
b. the government wants to keep dolphins out of shallow waters.
c. dolphins are endangered species.
d. dolphins might become injured when coming close to a boat propeller in search of humans with food.

Answers

I think the correct answer is C.Dolphins might become injured when coming close to a boat propeller in search of humans food. Dolphins lose their natural wariness of humans and become habituated to receiving handouts which in result will increase their risk of injury from boats and entanglement in fishing gear.
HIGH SCHOOL

What drugs are examples of second-line opioid agonists/antagonists prescribed for the treatment of moderate-to-severe pain? select all that apply?

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The answer should be: codeine, hydrocodone, oxycodone or tramadol

Opioid drugs are frequently used to treat pain. Acetaminophen, aspirin or NSAIDs drug used for mild to moderate pain. The mild opioid will be used in moderate to severe pain while a strong opioid will be used in severe pain. Strong opioid that could be used for severe pain would be morphine, methadone, oxycodone, or fentanyl
HIGH SCHOOL

A young man is struck on the cheek by a baseball and sustains an injury in which the skin is not broken and the cheekbone is not fractured. He develops an acute inflammation in the injured area. Which of the following is NOT part of the acute inflammatory process?A. Profuse bleeding.B. Leakage of fluid through permeable capillaries into the connective tissue of the cheekC. Congestion of tissues caused by dilation of capillariesD. Accumulation of leukocytes in the injured area

Answers

Answer:

A. Profuse bleeding

Explanation:

This is not part of the acute inflammatory process. Bleeding will be controlled due to primary homeostasis and also, the injury did not involve fracture and the akin was not broken. But leukocytes will be stimulated to the area and increased permeability will occur leading to edema

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