how many sperm are produced in the testes each day?

Answers

Answer 1

Answer:

300 million..........


Related Questions

Which chromosome pair shows gender?

1


15


22


23

Answers

Answer:

23

Explanation:

Rabbits and sheep both graze on shrubs, grasses, and other plants. The sharp rise in the population of rabbits in a region may result in a shortage of plants for sheep to graze upon.

This relationship between sheep and rabbits is an example of _______.
A.
parasitism
B.
predation
C.
commensalism
D.
competition

Answers

The answer is D) competition.

We can see from the problem that the two animals are competing with one another. As the number of rabbits increases, the competition between the food source increases. This is why predators are important for the environment, as the level out the playing field for both animals.

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Which statement is true? (1 point)
O Mendelian traits cannot be shown on a bell curve.
O Hair color and IQ are examples of Mendelian traits.
Mendelian traits are controlled by multiple genes.
O Mendelian traits follows a normal distribution.

Answers

Answer:b

Explanation:

6. Which objects are listed in order of scale from smallest to largest?
Sun, red giant, Earth, galaxy
red giant, Sun, galaxy, Earth
Earth, Sun, red giant, galaxy
galaxy, Earth, Sun, red giant

Answers

Third one, earth sun redgiant galaxy

how does an autoimmune disease affect the muscular system?

Answers

Answer:

Explanation:

Myositis (my-o-SY-tis) is a rare type of autoimmune disease that inflames and weakens muscle fibers. Autoimmune diseases occur when the body's own immune system attacks itself. In the case of myositis, the immune system attacks healthy muscle tissue, which results in inflammation, swelling, pain, and eventual weakness.

why is it important for gametes to be haploid jiskha

Answers

Answer:

its important for gametes to be haploid so when fusion of the Male and female gametes take place after fertilization the correct amount of chromosome numbers specific to the species can be restored

It is important for gametes to be haploid as just to maintain the chromosomal number. It is present for the sake of incorporation of both of the sets of chromosome in the progeny.

What is the number of chromosomes in humans ?

It is having 23 pairs of chromosomes that is having total of 46 chromosomes.

Because meiosis just  creates cells which are destined to be  the gametes  and in this reduction in the  chromosome number is just  critical that is  without the process, the union of the  two gametes  that are during  the fertilization that will result in  the offspring with just  twice of normal number of the  chromosomes.

Haploid cells in the  humans are just produced out  by meiosis. This is type of  the cell division in which the  single diploid parent cell  just divides to just  produce four with the non-identical  type of the haploid daughter cells. In  meiosis is just  used to get the type of the  produced  type of gametes and is are a  necessary kind of  precursor to  the sexual reproduction.

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contains stem cells that develop into all cells of the body in a process called hematopoiesis

Answers

Answer:

Bone marrow is soft, spongy tissue at the center of bones, and it plays an essential role in creating RBCs. The marrow produces stem cells, which develop into RBCs, white blood cells, and platelets.

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Explanation:

Which organism are part of every foodchain

Answers

Producers, also known as autotrophs, make their own food. They make up the first level of every food chain. Autotrophs are usually plants or one-celled organisms. Nearly all autotrophs use a process called photosynthesis to create “food” (a nutrient called glucose) from sunlight, carbon dioxide, and water.

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producers are part of every food chain

Based on cell theory, which of these answer choices would describe one reason a virus is considered nonliving?

Answers

Answer:D

Explanation:

I just did it

What diagnostic test is useful for detecting hyperactivity of the thyroid gland during an evaluation of a thyroid disorder

Answers

Answer:

Blood tests that measure thyroxine and thyroid-stimulating hormone (TSH) can confirm the diagnosis. High levels of thyroxine and low or nonexistent amounts of TSH indicate an overactive thyroid. The amount of TSH is important because it's the hormone that signals your thyroid gland to produce more thyroxine

Explanation:

Which is the most highly sensitive time within the developing embryo for the risk of malformation related to environmental teratogens

Answers

The most highly sensitive time within the developing embryo for the risk of malformation related to environmental teratogens is cleft palate at 8 weeks gestation. It is an opening in the roof of the mouth.

A teratogen is any substance and/or physical agent that may cause an irreversible abnormality in the structure of the developing embryo or fetus (e.g., classical pesticides such as DDT).

Cleft palate is a malformation mainly caused by mutagenic agents (teratogens) during pregnancy, which affects approximately one (1) of 650 births.

A cleft palate is a malformation that occurs when the two plates of the skull that form the roof of the mouth cannot be completely joined.

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Currents at the surface of the ocean, like those in El Niño are moved mainly by
O heat
O wind
O salinity
O the mixing of warm and cold water

Answers

Answer: winds

Explanation:

The second one B. wind

what type of carbohydrate is created by photosynthesis?

Answers

Answer:

glucose

Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants (Figure 5.5). After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose.

How does a varied sequence of N-bases allow DNA to provide the code that makes many living organisms?
PARAGRAPH!

Answers

Answer:

The nitrogen bases in DNA code for the sequence of amino acids that make

up a protein

Explanation:

who was the first person to see cells under a microscope

Answers

Answer: Robert Hooke

4) The end product of aerobic respiration are
(a) Energy ethanol and carbon IV oxde
(b) Carbon IV oxide (c) glucose alcohol
and energy (d) glucose water and energy

Answers

Answer:

The end products should be Carbon dioxide and Water.

Explanation:

Hope this helps.

What are the five areas that scientists use to paint the picture of how organisms are related

Answers

Answer:

Phylum.

Order.

Class.

Family.

Genus.

Species.

Does human intervention affect small-scale ecosystems differently than large-scale ecosystems?

two pieces of information along with their sources

Answers

Answer: No

According to BBC, Human activities such as harvesting plants and hunting animals can unbalance the flows and cycles within those [SMALL SCALE ECOSYSTEMS ]ecosystems. Tree-felling may lead to soil erosion and a loss of habitat. Lack of shade and moisture in the soil can result in desertification.

According to National Geographic, Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

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what unwinds DNA molecule

Answers

Answer:

DNA helicases unwind DNA during DNA replication

Explanation:

Hope this helps!

Which of the following is released during cellular respiration?

Carbon dioxide
Glucose
Mitochondria
Oxygen

Answers

Answer:

carbon dioxide ( CO2 ) is released during cellular respiration

Answer:

Carbon dioxide

Explanation:

cytochrome c is a protein found in all species, and functions in energy metabolism. the more closely related two different species are,

Answers

The more closely related two different species are, the more alike their cytochrome C amino acid sequences are. The cytochrome C is an evolutionarily conserved protein.

The cytochrome C  is an evolutionarily conserved protein involved in cellular respiration.

The cytochrome C is a carrier of electrons that acts during the oxidative phosphorylation stage of cellular respiration.

This protein is evolutionarily conserved in species whose cells generate ATP in anaerobic (oxygen presence) conditions, which means that generally synonymous mutations are observed when comparing the amino acids of this protein.

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A) What structures form the male part of the flower

B) What structures form the female part of a flower

C) how do male gametes find female gametes in a flower ?describe with de​

Answers

Answer:

a - The androecium

b -  the pistil

c - Male gametes is the pollen and it find the female gamete by wind, pollenators, and water.

Explanation:

How do consumers obtain energy and nutrients?

how do consumers obtain energy and nutrients

Answers

Answer:

They eat

Explanation:

Consume-er

Answer:

by eating other organisms.

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Explanation:

what structures do human epithelial cells have in common with elodea cells

Answers

Answer:

They both have a cell membrane,nucleus and cytoplasm.

Explanation:

they both have a cell membrane,nucleus and cytoplasm

which solution is hypertonic
both
neither
the inside of the cell
the beaker​

Answers

Answer:

the beaker

Explanation:

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how long does it take for a body to decompose to a skeleton

Answers

Answer:

In a temperate climate, it usually requires three weeks to several years for a body to completely decompose into a skeleton, depending on factors such as temperature, humidity, presence of insects, and submergence in a substrate such as water.

Explanation:

Explain why bacteria and archaea are prokaryotic cells and all other organisms are eukaryotic cells

Answers

Answer:

Archaea and bacterial cells lack organelles or other internal membrane-bound structures. Therefore, unlike eukaryotes, archaea and bacteria do not have a nucleus separating their genetic material from the rest of the cell.

Explanation:

Compare how active solar heat and passive solar heat structures work differently to gather heat from
the sun.

Answers

Answer:

Active heating captures sunlight, either as heat or electricity, to augment heating systems, while passive heating captures heat from the sun as it comes into your home through windows, roofs and walls to heat objects in your home (hope that helped?)

Explanation:

Put the following in order of complexity from least to most complex and explain your answers
virus, eukaryote, prokaryote.

Answers

Answer:

The main components of prokaryotic cells that we'll discuss are the cell membrane and cell wall, the propulsion mechanism, ribosomes, and DNA. Bacteria have a cell wall that surrounds the cell membrane. Eukaryotic cells, on the other hand, have only a cell

Explanation:

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Which paired structures of the male reproductive system lie at the base of the bladder and connect to the vas deferens via a duct

Answers

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