BIOLOGY HIGH SCHOOL

Which type of mutation occurs in reproductive cells and can be passed to offspring

Answers

Answer 1
Answer: a genetic mutation
i hope this helps because this is what i think

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What element is needed for cellular respiration?

Answers

Oxygen

It is essential in all living organisms. In the process of the food making of plants, oxygen is the waste product and carbon dioxide is needed in manufacturing food. Molecular oxygen is one of the nutrients commonly used by plant and animal cells in respiration.

Final answer:

The element needed for cellular respiration is oxygen. Oxygen is essential in the final stage of cellular respiration, the Electron Transport Chain, where it acts as the final electron acceptor. The absence of oxygen would lead cells to resort to anaerobic respiration that yields less energy.

Explanation:

The element needed for cellular respiration is oxygen. Cellular respiration is a process by which cells break down glucose and other molecules in the presence of oxygen to produce energy. The process can be broken down into three stages: Glycolysis, Krebs Cycle (Citric Acid Cycle), and the Electron Transport Chain. Oxygen plays a crucial role in the final stage, the Electron Transport Chain, where it acts as the final electron acceptor and combines with the hydrogen ions to form water.

Without oxygen, the Electron Transport Chain cannot occur. If oxygen is not available, cells may resort to an alternative method known as anaerobic respiration, or fermentation, but this produces significantly less energy. Hence, oxygen is a vital element required for efficient cellular respiration.

Learn more about oxygen here:

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Darwin observed how farmers and breeders produced many kinds of farm animals and plants. These plants and animals had traits that were desired by the farmers and breeders. He also noticed how the study of similar body structures and vestigial organs could add to the evidence of evolution. After performing several breeding experiments, he came to certain conclusions and formulated some theories. His theory of evolution and natural selection is the most accepted one. What is the reason behind the acceptance of Darwin's theory?

Answers

Natural selection was actually accepted by a lot of people who knew what Darwin was talking about (e.g. Scientists and biologists..and other scientist relative to science were called).
 Darwin  was the first to realize the mechanisms that fundamentally drive this change: variation and natural selection. His theory caused controversy among his contemporaries but were  gradually accepted. Darwin's theory earned general scientific acceptance after he published his "On the Origin of Species" in 1859.

The answer is simply: A the other person is too confusing...

- The ability of an ecosystem to maintain a steady equilibrium by responding tointernal and external negative feedback systems describes -

Answers

Answer:

Describes ecosystem homeostasis

Explanation:

Which of the following items would be an ecosystem within the ocean ecosystem?a. marshes
b. coral reefs
c. rivers
d. ponds

Answers

b coral reefs
here you go

B. coral reefs because marshes, rivers and ponds have nothing to do with the  ocean ecosystem.

The cell transport process that is opposite of the three pictured is calleda. endocytosis.
b. osmosis.
c. exocytosis.
d. phagocytosis.

Answers

The correct answer for the question that is being presented above is this one: "c. exocytosis." The cell transport process that is opposite of the three pictured is called exocytosis. It is a process in which an intracellular vesicle moves to the plasma membrane and subsequent fusion of the vesicular membrane and plasma membrane ensues.

Why is meiosis important for organisms? It allows for genetic variation among organisms. It determines which genes are dominant and which are recessive. It produces genetically identical cells. It provides a means of asexual reproduction.

Answers

Answer:

Option A- It allows for genetic variation among organisms.

Meiosis is important for organisms since it allows for genetic variation among organisms.

Further Explanation:

Mitosis and meiosis are two different types of cell division. Mitosis produces two daughter cells which are identical to each other. While in meiosis “four haploid” daughter cells are produced. It is a highly systematized cell division process as the spore or gamete produce must comprise one member of each homologous pair of the chromosomes. The crossing over results in genetic exchange between the non-sister chromatids of “homologous chromosomes”. Meiosis plays a significant role during the alternation of generation in plants and acts as a bridge between the sporophyte stage and gametophyte stage. During meiosis cell division, haploid gametes or spores are produced whereas mitosis produces daughter cells which are genetically similar to each other. During meiosis the pairing of homologous chromosomes occurs by synapsis which separate during anaphase.

Learn More:

  1. Learn more about meiosis brainly.com/question/1600165
  2. Learn more about the process of molecular diffusion in a cell brainly.com/question/1600165
  3. Learn more about human sperm and egg cell brainly.com/question/1626319

Answer Details:

Grade: High School

Subject: Biology

Chapter: Mitosis and Meiosis

Keywords:

Mitosis, meiosis, homologous pair, haploid, gametes, spores, four, synapsis, gametes, daughter cell, plant, cell division, crossing over.

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