How might you go about explaining the problem of climate change to friends and family? How could you encourage them to take climate action?

Answer:

yes its important because...

Explanation:

Water is an essential feature of homeostasis in an organism. Water increases the volume of blood, which affects blood pressure and heart rate. Water dissolves gases and allow for efficient exchange and transport of oxygen and carbon dioxide. Water can be excreted, so it carries toxins that have been made water-soluble out of the body.

Final answer:

The accurate statements are: Meiosis produces genetically diverse cells, Meiosis increases genetic variation in the offspring, and Meiosis produces haploid cells from diploid parent cell. The inaccurate statements are: Meiosis increases genetic content in daughter cells, and Meiosis maintains original number of chromosomes in parent cell.

Explanation:

The following statements accurately describe the outcome of meiosis:

• Meiosis produces genetically diverse cells. This is true. During meiosis, the genetic material from two parent cells is combined in unique ways, resulting in genetically diverse offspring.
• Meiosis increases genetic variation in the offspring. This statement is also true due to the crossing over and independent assortment processes during meiosis I, which create new combinations of genes in the gametes.
• Meiosis produces haploid cells from a diploid parent cell. This is accurate. The parent cell has two sets of chromosomes (diploid), while the resulting daughter cells each have a single set (haploid) due to the reduction division in meiosis.

These statements inaccurately describe meiosis:

• Meiosis increases the genetic content in the daughter cells. This is false. Meiosis actually reduces the genetic content by halving the number of chromosomes.
• Meiosis maintains the number of chromosomes originally present in the parent cell. This is also false. The purpose of meiosis is to reduce the chromosome number by half in the offspring to maintain a consistent chromosome number within the species across generations.

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Answer:

A) Meiosis produces genetically diverse cells.

B) Meiosis increases genetic variation in the offspring.

C) Meiosis produces haploid cells from a diploid parent cell

Explanation:

Through crossing over, meiosis produces genetically diverse cells causing more genetic variation of offspring. The Daughter cells in meiosis are formed from a diploid cell that has all 46 chromosomes, however the daughter cells are haploids as they need to join with the other gamete to have a full set of chromosomes.

The way that reduced precipitation can lead to limited water availability is as follows: It may lead to drought (option D).

What is precipitation?

Precipitation is any or all of the forms of water particles, whether liquid or solid, that fall from the upper atmosphere. Examples are rain, snow etc.

Precipitation is one of the major supplies of water to the Earth, hence, a reduction in the amount of precipitation (rainfall) will adversely affect the availability of water by causing drought, which is a period of unusually low rainfall.

Therefore, it can be said that the way that reduced precipitation can lead to limited water availability is as follows: It may lead to drought.

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Answer: D

Explanation: it may lead to drought

Answer: a. mutation

Explanation:

A mutation is a change or alteration and a process that occurs in the DNA sequence of the organism. This happens due to the mistake in the DNA replication process or because of the environmental factors for example exposure to the UV radiation or due to smoking. These mutations either favors the survival of the organisms or they are lethal for the organisms.

Answer:

Explanation:

Step 1: Generating a Proton Motive Force

The hydrogen carriers (NADH and FADH2) are oxidised and release high energy electrons and protons

The electrons are transferred to the electron transport chain, which consists of several transmembrane carrier proteins

As electrons pass through the chain, they lose energy – which is used by the chain to pump protons (H+ ions) from the matrix

The accumulation of H+ ions within the intermembrane space creates an electrochemical gradient (or a proton motive force)

Step Two: ATP Synthesis via Chemiosmosis

The proton motive force will cause H+ ions to move down their electrochemical gradient and diffuse back into matrix

This diffusion of protons is called chemiosmosis and is facilitated by the transmembrane enzyme ATP synthase

As the H+ ions move through ATP synthase they trigger the molecular rotation of the enzyme, synthesising ATP

Step Three: Reduction of Oxygen

In order for the electron transport chain to continue functioning, the de-energised electrons must be removed

Oxygen acts as the final electron acceptor, removing the de-energised electrons to prevent the chain from becoming blocked

Oxygen also binds with free protons in the matrix to form water – removing matrix protons maintains the hydrogen gradient

In the absence of oxygen, hydrogen carriers cannot transfer energised electrons to the chain and ATP production is halted