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morpeh [17]
3 years ago
9

Which of these outcomes is a negative impact of pastoral societies on the

Biology
1 answer:
ser-zykov [4K]3 years ago
8 0

Answer: A  overgrazing

Explanation:  just got it correct

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1. During RNA processing a(n)___________ is added to the 5' end of the RNA. A. 3' untranslated region. B. a long string of adeni
Svetradugi [14.3K]

Answer and Explanation:

  1. During RNA processing a(n)<u> modified guanine nucleotide</u> is added to the 5' end of the RNA
  2. During RNA processing a(n) <u>a long string of adenine nucleotides</u> is added to the 3' end of the RNA.
  3. Spliceosomes are composed of <u>snRNPs and other proteins</u>.
  4. The RNA segments joined to one another by spliceosomes are <u>exons</u>
  5. Translation occurs in the <u>cytoplasm</u>
6 0
3 years ago
Que Afirmo La Tercera Ley De Newton<br>​
Anna11 [10]

Answer: si un objeto A ejerce una fuerza sobre un objeto B, entonces el objeto B debe ejercer una fuerza de igual magnitud en dirección opuesta sobre el objeto A.

Explanation:

4 0
3 years ago
Which of the following characteristics is not attributed to the sympathetic division of the ANS?
guajiro [1.7K]

Answer:

C) It has a long preganglionic fibers

Explanation:

Peripheral nervous system (PNS) is the nervous system that contains nerves and ganglia outside the central nervous system (CNS). PNS is divided into:

  1. somatic (voluntary) nervous system-controls the movements of the skeletal muscles
  2. autonomic (involuntary) nervous system-controls the smooth muscles and glands and thus it is the regulator of the major body functions. It is subdivided into tree groups:
  • sympathetic ("fight and flight") system-responsible for stressful and active situations (but also in normal conditions);contains short preganglionic fibers and long postganglionic fibers.
  • parasympathetic ("rest and digest") system-opposite to sympathetic, responsible for the maintenance of body's activities at rest.
  • enteric nervous system-controls the function of the gastrointestinal tract.

6 0
3 years ago
What type of energy powers the cell growht
77julia77 [94]
Complex organic food molecules such as sugars, fats, and proteins are rich sources of energy for cells because much of the energy used to form these molecules is literally stored within the chemical bonds that hold them together. Scientists can measure the amount of energy stored in foods using a device called a bomb calorimeter. With this technique, food is placed inside the calorimeter and heated until it burns. The excess heat released by the reaction is directly proportional to the amount of energy contained in the food.

3 0
2 years ago
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This membrane mimics the __________________ that is around animal cells. In order to explore how water moves in and out of a cel
Olenka [21]

This membrane mimics the plasma membrane that is around animal cells. In order to explore how water moves in and out of a cell, one cell was weighed and then submerged in hypertonic solution. The other egg was weighted and submerged in hypotonic solution. It was predicted that the egg submerged in hypertonic solution  would decrease in mass. It was predicted that the egg submerged in hypotonic solution would increase in mass.

Explanation:

The outermost covering of an animal cell is the plasma membrane. It is a selectively permeable membrane that allows only selective molecules to pass through it.

A solution having higher concentration of solute than the cell cytoplasm is called a hypertonic solution.

A solution having lower concentration of solute than the cell cytoplasm is called the  hypotonic solution.

The movement of water molecules from the region of its higher concentration to the region of its lower concentration through a semipermeable membrane is called osmosis.

A cell placed in hypertonic solution will undergo exosmosis so it will lose water and its mass will decrease.

A cell placed in hypotonic solution  will undergo endosmosis of water  so it will gain water and its mass will increase.

8 0
3 years ago
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