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3 years ago

Compare renewable and nonrenewable energy sources, and discuss the effects of each on biodiversity.

Biology

1 answer:

kiruha [24]3 years ago

5 0

Answer:

Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies. This is usually due to the long time it takes for them to be replenished. Renewable resources are replenished naturally and over relatively short periods of time.

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Which of the following is the best example of a homeostatic process?

Butoxors [25]

Answer:

Body temperature control in humans

Explanation:

Body temperature control in humans is one of the most familiar examples of homeostasis. Normal body temperature hovers around 37 °C (98.6 °F), but a number of factors can affect this value, including exposure to the elements, hormones, metabolic rate, and disease, leading to excessively high or low body temperatures.

6 0

3 years ago

Which hormone is responsible for changes at puberty, particularly the development of the secondary sex characteristics in girls?

AlekseyPX

The hormone responsible for secondary sex characteristics in females is estradiol. Also spelled oestradiol, it is one of three variations of the estrogen hormone found in a woman's body. It is a steroid hormone created by the body using cholesterol as a basic component. It is produced in the ovaries by granulose cells and is the predominant of the three estrogens for the majority of a woman's life.

Secondary sex characteristics are the physical characteristics caused by hormonal changes during puberty that are not directly related to reproduction despite being tangentially involved in the process. In women, this involves the growth of pubic hair, widening hips, breast development, and a change in the ratio of body fat to overall mass.

<h3>What is a Hormone ?</h3>

Hormones are chemical substances that act like messenger molecules in the body. After being made in one part of the body, they travel to other parts of the body where they help control how cells and organs do their work

Learn more about Hormones here:

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6 0

2 years ago

The map below shows the range of three types of grasslands in the United States. Some grasses of the tallgrass prairie grow to 6

muminat

More rainfall leads to the growth of the grass in a tallgrass prairie to grow so tall.

Answer: Option B.

<u>Explanation:</u>

The tallgrass prairie consists of big and little blue stem, switchgrass, and Indian grass. These were the species which thrive in the area which receive rainfall in large amount. The rainfall in these areas are in the amount of 30-40 inch annual precipitation.

Because these areas receive rainfall in such high amount, the grasses grow very tall. The height of these grasses reach to approximately 6-8 feet in height.

6 0

3 years ago

Enzyme X has a primary structure made up of 130 amino acids. In tertiary structure amino acids numbers 56, 58, 81-84, and 91-95

Fantom [35]

Question:

The question is unclear but I think I found it elsewhere and have rewritten it below:

Enzyme X has a primary structure made up of 130 amino acids. In tertiary structure amino acids numbers 56, 58, 81-84, and 91-95 form the active site.

Looking at the data in the attached table, determine the category of unknown molecules A, B and C.

1) A = cofactor B = non-competitive inhibitor C= non-competitive inhibitor

2) A = competitive inhibitor B = not a cofactor C= non-competitive inhibitor

3) A = not a cofactor B = competitive inhibitor C= non-competitive inhibitor

4) A = non-competitive inhibitor B = non-competitive inhibitor C= competitive inhibitor

5) A = competitive inhibitor B = non-competitive inhibitor C= non-competitive inhibitor

Answer:

2) A = competitive inhibitor B = not a cofactor C= non-competitive inhibitor

Explanation:

A competitive inhibitor is a molecule that binds to the active site of an enzyme, directly blocking its ability to catalyse reactions and thus inhibiting its activity. A non-competitive inhibitor inhibits the activity of an enzyme, but not through binding an active site. A co-factor is an accessory protein that influences and promotes the activity of the enzyme

The table shows that unknown molecule A binds to the active site (based on the amino acid positions at which it binds) and reduces the activity of the enzyme (from 31.8 - 11.4) - <em>a competitive inhibitor </em>

Unknown molecule B does not bind at the active site, and has no affect on the activity of the enzyme - <em>not a co-factor or an inhibitor</em>

Unknown molecule C does not bind to the active site, but strongly reduces the activity of the enzyme - a<em> non-competitive inhibitor</em>

6 0

4 years ago

Please help, i dont understand this?

Dafna11 [192]

If you don't understand how to upload a file for your question you just look for the button that says attach file, and the letter B is for if you want to put an answer in bold.

Hope that was some helpful information, Welcome to Brainly, hope you enjoy it:)

6 0

3 years ago