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GarryVolchara [31]
3 years ago
15

What is homo sapiens?

Biology
1 answer:
GrogVix [38]3 years ago
3 0
The species that you and all other living human beings on this planet belong to isHomo sapiens. During a time of dramatic climate change 200,000 years ago, Homo sapiens evolved in Africa. Like other early humans that were living at this time, they gathered and hunted food, and evolved behaviors that helped them respond to the challenges of survival in unstable environments.
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Most amino acids require _______. Question 18 options: active transport passive diffusion facilitated diffusion All of these are
Anni [7]

Most amino acids require Active Transport.

<h3>What is active transport?</h3>

According to Wiki, "Active Transport is described as a process that involves the movement of molecules against a gradient or an obstruction from a location of lower concentration to a region of greater concentration."

A protein pump uses ATP, which is a form of stored energy, to move molecules during active transport.

<h3>What are amino acids?</h3>

Organic substances known as amino acids have basic amino groups (-NH2) and carboxyl groups (-COOH). Amino acids are the components found in proteins. Proteins and peptides are both made up of lengthy chains of amino acids. There are a total of twenty amino acids used in the production of proteins.

Learn more about Amino acid with the help of the given link:

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1 year ago
The prostate, seminal glands, and bulbo-urethral glands produce __________, the liquid medium in which sperm leaves the body.
ycow [4]

The prostate, seminal glands, and bulbo-urethral glands produce Seminal fluid, the liquid medium in which sperm leaves the body.

<h3>What is Seminal fluid?</h3>
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  • Fluid from seminal cysts is thick. It contains fructose, citric acid, proteins, potassium, inorganic phosphorus, and prostaglandins. When the fluid incorporates with sperm in the ejaculatory duct, the fructose evolves the direct source of energy for the sperm outside a man's body.
  • semen, also named seminal fluid, is fluid that is ejected from the male reproductive tract and includes sperm cells, which are competent for fertilizing the female's eggs. Semen also prevents liquids that connect to form seminal plasma, which helps keep the sperm cells possible.

To learn more about Seminal fluid, refer to:

brainly.com/question/17099840

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8 0
2 years ago
Compare passive and active transport through the cell membrane, including energy use and concentration gradients.
sweet [91]
Passive transport vs active transport sounds like what it is. In passive transport, there is no energy needed to get the molecules across the cell membrane, whereas in active transport, energy is expended getting the molecules across the membrane. Basically in active transport the ATP in your cells gives one of it’s phosphates to the transport proteins in your cell membrane and it lets select molecules in. These molecules are moving through a concentration gradient during active transport(with the help of ATP), from an area of low concentration to an area of high concentration.
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Novay_Z [31]
<span>an organism’s living and nonliving interactions with its environment </span>
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