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antiseptic1488 [7]
3 years ago
5

Which statement is true about the environment of urban areas

Biology
1 answer:
emmasim [6.3K]3 years ago
3 0

The promise of jobs and prosperity, among other factors, pulls people to cities. Half of the global population already lives in cities, and by 2050 two-thirds of the world's people are expected to live in urban areas. But in cities two of the most pressing problems facing the world today also come together: poverty and environmental degradation.

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Where does first pass metabolism occur? / what route of administration is used to avoid complete first pass metabolism?
snow_tiger [21]
First pass metabolism of a drug is said to occur when the concentration of a drug that is administered orally is significantly reduced before it reaches the systemic circulation. 
First pass metabolism usually occur in the liver.
The routes of drug administration that avoid complete first pass metabolism are: sublingual, transdermal, rectal and inhalation. 
7 0
3 years ago
The diagram shows a bacterium. Which labels best complete the diagram
Sliva [168]

Answer:

X - Flagellum, Y - Bacterial DNA, Z - Cytoplasm

Explanation:

A bacterium is a living thing that are majorly known for causing diseases but are important for human life.

A bacterium is also consist of several organelles such as cell wall, cytoplasm, flagellum,  bacterial DNA, cytoplasm, ribosomes and others.

The diagram shows three main organelles that are X - Flagellum, Y - Bacterial DNA, Z - Cytoplasm. Flagella functions for the locomotion of the bacteria, bacterial DNA is a genetic material of the bacteria, and cytoplasm is a gel-like matrix composed of enzymes, water, nutrients and other waste material.

Hence, the correct answer is "X - Flagellum, Y - Bacterial DNA, Z - Cytoplasm".

4 0
3 years ago
Receptors that are especially important for helping a person maintain balance are located in the (A) gyrus cinguli (B) inner ear
Lera25 [3.4K]

The receptors that aid in allowing a person to maintain balance are located within the inner ear.

The human ability to walk upright without falling, and a wide variety of other tasks that we perform as all thanks to our ability to maintain balance. This ability is given to us by structures located deep within the inner ear.

The inner ear is located deep within the lateral side of the head. This ear contains 3 semicircular canals or ducts, which are tiny structures filled with liquid. Each of these canals has an expansion at its end known as the ampulla, which holds within it the very small cellular balance receptors called crista.

To learn more visit:

brainly.com/question/23972743?referrer=searchResults

3 0
3 years ago
The chart below shows some information about two scientists.
ivann1987 [24]

Answer:

the answer is B i did this test

Explanation:

6 0
2 years ago
How does diploidy help to preserve genetic variation? see concept 23.4 (page 498)?
mario62 [17]
Monoploid organisms reproduce asexually since they need to transmit all of their genetic material to their offspring. Diploid organisms, have 2 copies of their genetic material that differ slightly in their genes. Since the progeny gets half of the DNA from each parent, we have that new combinations can emerge; for example, if the mother is AA for some allele and the father aa, their offspring will be Aa, a new genotype. This might have different implications (for example, the recessive gene for thalassemia also provides resistance to malaria). Finally, during meiosis, there is also an event called crossover that increases the genetic variation of the offspring.
3 0
3 years ago
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