BIOLOGY HIGH SCHOOL

Where is the moon in it's orbit at the time of a solar eclipse

Answers

Answer 1
Answer: Between the sun and the earth

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Which of these is true of meiosis?
A. n 2n
B. 2n n
C. 2n 2n
D. n n

Answers


A. n 2n

Meiosis is responsible for the cell division of the gametes, spermatogenesis (sperm cells) and oogenesis (egg cells), such haploid cells. 

Mitosis and meiosis are simply cell division processes that occurs differently, they're characteristically divergent from each other according to their function and structure. Mitosis is the cell division that happens in all cells in the human body except sperm and egg cells. They produce diploid cells. 

B. 2n to n IS THE CORRECT ANSWER

Which of the following is not characteristic of the large intestine? It ________.A. does not contain villi
B. exhibits external muscular bands called teniae coli
C. is longer than the small intestine
D. has haustra

Answers

The answer is C. is longer than the small intestine.

The large intestine does not contain villi, but the small intestine contains. It has haustra and exhibits external muscular bands called teniae coli. So, a statement under C remains as false. The large intestine is not called large because it is longer than the small intestine. It is, actually, wider than the small intestine. Also, the small intestine is the longer part of alimentary canals, and, thus, the small intestine is longer than the large intestine.

During the time of Aristotle, people believed that nonliving matter produced living things. What is the term for this idea?

Answers

The term for this idea was "The Spontaneous Generation Theory."

Social mobility that occurs over the course of an individual's lifetime is called ________ mobility.a. intragenerational

b. life-cycle

c. intergenerational

d. structural

Answers

Answer:

a. intragenerational

Explanation:

Intragenerational mobility by definition: refers to a person's social movements throughout his or her lifespan. It wouldn't be structural or life cycle because those are remotely related to social mobility. Lastly it wouldn't be intergenerational because by definition is means: elating to, involving, or affecting several generations. Which is not related to social mobility at all.

The structure of adenosine triphosphate (ATP) is shown here. Which statement best explains how energy stored in the chemical bonds of ATP can be released. A) Adenine is removed by hydrolysis from an ATP molecule. B) Electrons are removed by hydrolysis from an ATP molecule. C) A phosphate is removed by hydrolysis from an ATP molecule. D) A phosphate group is added to an ATP molecule with the addition of H2O.

Answers

C) A phosphate is removed by hydrolysis from an ATP molecule.

* ATP contains Adenine, Ribose sugar, and triphosphate group that contains 3 phosphates. When the third phosphate is broken, it is converted to ADP + P releasing a lot of energy.

The phosphate is removed by hydrolysis from ATP molecules. Thus, energy is stored in the chemical bonds of ATP and released during ATP hydrolysis.

Further Explanation:

Adenosine triphosphate (ATP) is the molecular currency used for energy transactions. The ATP energy is stored in the bonds between the terminal phosphate groups. These bonds are hydrolyzed by the enzymes to obtain energy for reactions. ATP is an energy caring molecule present in the living cell. It stores energy in the bonds between the phosphates produced by the breakdown of food molecules. It releases energy required for the chemical reaction, and hence, it is known as an effective energy donor.

ATP is made of three main structures:

  • Sugar (ribose)
  • Nitrogenous base (Adenine)
  • Three phosphate group

The main energy source in ATP is phosphate tail. The energy is stored in the bonds present between the phosphates groups and release when these bonds are broke down. This process is referred to as ATP hydrolysis in this addition of water occurs. When the one phosphate is removed from ATP, then it is converted into ADP.

Learn more:

  1. Learn more about cellular respiration brainly.com/question/543244
  2. Learn more about diffusion brainly.com/question/1386629
  3. Learn more about phospholipids bilayer brainly.com/question/751529

Answer Details:

Grade: High School

Subject: Biology

Chapter: Membrane Biology

Keywords:

ATP, enzymes, bonds, chemical reaction, energy, phosphate group, ADP, food molecule, breakdown, donor, sugar, ribose.

What is the purpose of mitosis? What would happen if cells did not undergo mitosis?

Answers

Mitosis is the process of cell reproduction. A cell cannot live forever so they either divide into two new cells through mitosis or die. The main purpose of mitosis is to replicate cells. If cells would not undergo mitosis, there would be no cell divisions, and the organism could not develop or increase in size. For example, after fertilization, after a zygote is formed, it undergoes mitotic divisions and as a resulting, embryo will be developed. If there were no mitosis, the embryo would not be formed, so the organism could not be developed.

Final answer:

Mitosis is vital for growth, repair and asexual reproduction by producing identical cells. Without mitosis, organisms would not be able to grow, repair, or fight diseases effectively.

Explanation:

The purpose of mitosis is to reproduce identical cells for growth and to replace worn-out cells. It enables an organism to grow and repair its tissues and organs by creating new cells with identical genetic information. If cells did not undergo mitosis, an organism would not be able to grow or heal. Fight against diseases, especially those that attack cells such as cancer, would also be greatly hindered without mitosis.

Mitosis ensures that each daughter cell gets an exact copy of the genetic material from the parent cell. This facilitates the primary roles of mitosis which include growth, repair, and asexual reproduction in some organisms.

Learn more about Mitosis here:

brainly.com/question/31626745

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