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2 years ago

Oogenesis produces _ viable cell/s, and spermatogenesis produces _ viable cell/s.

1 answer:

5 0

Oogenesis produces 1 viable cell and spermatogenesis produces 4 viable cells. Details about gametogenesis can be found below.

<h3>What is gametogenesis?</h3>

Gametogenesis is the process by which gametes are produced. Gametogenesis consists of two processes namely;

Oogenesis
OogenesisSpermatogenesis

Oogenesis is the formation and development of an oocyte or ovum while spermatogenesis is the process of sperm production in the testes.

Oogenesis results in the formation of only one viable egg cell while spermatogenesis results in the formation of four spermatids.

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Suggest a hypothesis why endotherms have independently evolved a 4-chambered heart if mixing of blood seems not to be a major is

astra-53 [7]

The 4 chambered heart is cheaper to maintain and manufacture.

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4 years ago

Which of the following correctly uses the data to justify the claim that the phosphagen system is an immediate, short-term sourc

xz_007 [3.2K]

This question is incomplete, here is the complete question:

Muscle contraction depends on ATP hydrolysis. During periods of intense exercise, muscle cells rely on the ATP supplied by three metabolic pathways: glycolysis, mitochondrial respiration, and the phosphagen system. Figure 1 shows the rates at which the three metabolic pathways produce ATP following the start of an intense period of exercise.

Which of the following correctly uses the data to justify the claim that the phosphagen system is an immediate, short-term source of ATP for muscle cells?

The right option that correctly uses data to justify the claim that the phosphagen system is an immediate, short term source of ATP for muscle cells is the figure that indicates that ATP PRODUCTION BY THE PHOSPHAGEM SYSTEM INCREASES AND DECREASES RAPIDLY FOLLOWING THE START OF THE EXERCISE PERIOD.

The phosphagem system are systems of energy storing compounds that are located in the muscles and in the nervous systems of living organisms. The biochemical compounds that made up the phosphagem system are ATP, ADP and creatine phosphates (CP). These three compounds undergo continuous changes in a pathway called ATP - CP pathway.

ATP and CP serve as intermediate reserves of energy for the body. The phosphagem system is especially important in living organisms because its serves as a ready source of energy for muscles and nerves, which regularly experience energy changes.

The phospagem system is very important when it comes to physical exercise, because it is the fastest mean by which the muscles get the energy (ATP) they need. In the beginning of exercise, there is always rapid fluctuations in the production of ATP as the phosphagem system produces ready energy for the exercising muscles. Energy from the phosphagem system can only be used for maximum of 10 seconds, thus, it is most important in exercises that requires instant burst of energy for a short period. The system works under anaerobic condition and last only for a few seconds.

<em>Learn more about PHOSPHAGEM SYSTEM at: brainly.com/question/1758577.</em>

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3 years ago

The cell you are examining under the microscope appears to contain a nucleus. This organism belongs to the domain:________

igor_vitrenko [27]

The cell you are examining under the microscope appears to contain a nucleus. This organism belongs to the domain <u>Eukarya</u>.

The only domain that includes multicellular, visible organisms including humans, animals, plants, and trees is eukaryote.
Numerous microorganisms, including fungi, algae, and micro-animals, also call it home. Since fungi are so diverse, two distinct fungi may have genetic differences comparable to those between a person and a fish.
Eukarya are eukaryotes, which have organelles and nuclei that are bound to membranes. Prokaryotes are older, less numerous, and simpler than eukaryotes.
Eukarya refers to creatures with nuclei in their cells. Additionally, it is the only realm in which multicellular observable organisms, such as people, animals, plants, and trees, exist. Achaea and bacteria are unicellular organisms without nuclei.

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8 0

2 years ago

A-Which of the following is NOT produced by meiosis?a.a liver cellb.an egg, or ovumc.a sperm celld.All of the given choices are

KatRina [158]

Answer:

a. Liver cell

Explanation:

Meiosis is a reductional division that produces haploid cells from diploid existing cells. Male and female gametes such as sperms and egg cells are haploid. Sperms are produced by meiosis in spermatogonia. The egg cell is produced by meiosis in oogonium. The liver cell is a diploid cell and is produced by mitosis. Mitosis maintains the DNA content and genetic information of the parent cells into the daughter cells.

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3 years ago

Superantigens cause _________. Multiple Choice specific activation of phagocytic cells stimulation of T cells to overproduce cyt

Natasha_Volkova [10]

Superantigens cause the stimulation of T cells to overproduce cytokines.

Some pathogens in an unusual way take over the immune system and mislead it by interfering in the adaptive immune system.
Instead of processing by APC (Antigen Presenting Cells), superantigen is directly bonded to MHC-II (Major histocompatibility complex) and TCR (T cell receptor) for a longer period than normal.
As a result, about 20% of T cells are stimulated to produce cytokines such as interleukin-2 (IL-2), interferon-γ (INF-γ), and tumor necrosis factor α (TNF-α) known as Cytokine storm. Thereby, affected individuals experience some adverse symptoms like toxic shock syndrome and rheumatic fever.

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2 years ago