Write the definition for the word Ontogeny IN YOUR OWN WORDS

Answer:

The most important hormone involved in controlling sperm production is a steroid called testosterone. This is produced in the testis itself, by the Leydig cells (see Figure 12a). The testosterone is released from the Leydig cells between the tubules, and taken up by the neighbouring Sertoli cells.

Answer:

The most important hormone involved in controlling sperm production is a steroid called testosterone.

Answer:

Due to difference in their presence in the body.

Explanation:

Errors that occur during meiosis are present in all cells of the body because meiosis cell division occurs in the sex cells of an organisms so that the errors are effects all the cells of that organism, while on the other hand, errors that occur during mitosis may occur in only a small number of cells because mitosis cell division occurs in the somatic cells so the errors are present in some body cells so we can conclude this errors in meiosis affect all cells whereas errors in mitosis affect less number of cells.

Answer: human trash

Explanation:

Because we leave or trash and it decomposes into harmful air or water

0. Normal blood and matrix sodium concentrations

1. Loss of sodium ions due to diarrhea

2. Given too much water

3. Increased matrix pressure

4. Net movement of free water into the matrix

5. Low sodium concentration

6. Abnormal neuron firing rate (neurons need sodium ions to function properly)

7. Seizures

Answer:

si eso es verdad

Explanation:

ฅ^•ﻌ•^ฅ

A value-returning statement must have a return statement.

what is return statement?

The function from which it was called receives the execution flow back in the return statement. There is no requirement that conditional statements be used with this sentence. The moment the statement is executed, the program's flow immediately halts and returns control to the caller. A non-void function must return a return value; a void function's return statement may or may not return anything.

Using a return statement in a function with a void return type: Now the issue of what happens if a return statement is contained within a void return type function arises. Since we are aware of this, we can conclude that a function declaration for which the return type is void will not have a return statement.

To learn more about Return statement

https://brainly.com/question/14669182

#SPJ4

In terms of the actual division process, mitosis is more similar to meiosis II than meiosis I.

This is because both mitosis and meiosis II involve the separation of sister chromatids, which are identical copies of the chromosomes that were replicated during the previous stage of the cell cycle.

During mitosis, a single diploid cell divides into two identical diploid daughter cells, each with the same number and type of chromosomes as the parent cell. In meiosis II, the two haploid daughter cells produced in meiosis I each divide again, resulting in a total of four haploid daughter cells. In both mitosis and meiosis II, the sister chromatids are separated and pulled to opposite poles of the cell by spindle fibers, which ensures that each daughter cell receives a complete set of chromosomes.

To know more about meiosis  here

https://brainly.com/question/25995456

#SPJ4

In terms of the actual division process, mitosis is most similar to meiosis. Both mitosis and meiosis are forms of cell division that occur in eukaryotic cells.

In mitosis, a single cell divides into two identical daughter cells, while in meiosis, a single cell divides into four genetically diverse daughter cells.

However, both processes involve a series of stages that include the separation of replicated chromosomes, the formation of a spindle apparatus, and the movement of chromosomes to opposite poles of the cell.

Additionally, both mitosis and meiosis are controlled by complex regulatory pathways that ensure the proper progression of the division process.

Despite their similarities, mitosis, and meiosis also have some key differences, particularly in terms of the number of chromosomes present in the resulting daughter cells and the genetic diversity of those cells.

For more such answers on Meiosis

https://brainly.com/question/25995456

#SPJ11

The answer is D. Photoreception. When a person is watching a silent movie, their eyes are focused on the visual images displayed on the screen.

This visual information is received by the photoreceptor cells in the eyes, which convert the light waves into electrical signals that are sent to the brain. The brain then interprets these signals as images, allowing the person to see and understand what is happening on the screen. Thermoreception, chemoreception, and mechanoreception are sensory processes related to temperature, taste, and touch respectively, and are not involved in watching a silent movie.

Therefore, the most activated sensory process when watching a silent movie is photoreception.

To know more about Photoreception visit:-

https://brainly.com/question/31664077

#SPJ11

Answer: Look below =3

Explanation: Most of the water that evaporates from the oceans falls back into the oceans as precipitation. Only about 10 percent of the water evaporated from the oceans is transported over land and falls as precipitation.

I hope this helps! =3

the correct answer is a. in preparation for movements.

The premotor cortex is a region of the brain involved in planning and executing movements, and is located in front of the primary motor cortex. Unlike the primary motor cortex, which is responsible for generating signals that directly control movements, the premotor cortex is involved in preparatory processes and more complex aspects of movement planning.

Studies have shown that cells in the premotor cortex are most active during the preparation for movements, suggesting that this region is involved in the planning and coordination of movements before they are executed. This is consistent with the idea that the premotor cortex is involved in more complex aspects of movement planning, such as selecting appropriate movements based on context and integrating sensory information with motor commands.

To know more about premotor visit:

brainly.com/question/30514086

#SPJ11

Answer:

Explanation:

Its important to have resources that way the reader can go back and verify the information that is on the research paper for their own reasons

Answer:

endoplasmic reticulum

Answer:

Need greater specificity to determine Golgi Body or endoplasmic reticulum

Explanation:

It's not an organism, both are organelles. The ER is the largest structure and has  smooth and rough bodies with different functions.  The last stop for further assmelby or alteratio is the golgi body.  It's a cellular structure that packages proteins into membrane bound vesicles

oxaloacetate is reduced to malate by the enzyme malate dehydrogenase, using NADH as a cofactor. This reaction converts oxaloacetate, a charged molecule, into malate.

Oxaloacetate is an important intermediate in various metabolic processes, including gluconeogenesis. Gluconeogenesis is the process by which non-carbohydrate precursors, such as amino acids, are converted into glucose in the liver and kidneys. This process helps maintain blood glucose levels during periods of fasting or low carbohydrate intake.
Oxaloacetate is primarily formed in the mitochondrial matrix, but for gluconeogenesis to occur, it must be transported to the cytoplasm. The direct transport of oxaloacetate across the inner mitochondrial membrane is not possible due to its charged nature. To overcome this, oxaloacetate undergoes a series of reactions to facilitate its transfer.
First, oxaloacetate is reduced to malate by the enzyme malate dehydrogenase, using NADH as a cofactor. This reaction converts oxaloacetate, a charged molecule, into malate, which is neutral and can easily cross the inner mitochondrial membrane through the malate-α-ketoglutarate antiporter.
Once in the cytoplasm, malate is oxidized back to oxaloacetate by cytoplasmic malate dehydrogenase, generating NADH in the process. Now, oxaloacetate is ready to participate in gluconeogenesis. The enzyme phosphoenolpyruvate carboxykinase (PEPCK) then converts oxaloacetate to phosphoenolpyruvate (PEP), using GTP as an energy source. PEP serves as a key intermediate in the gluconeogenic pathway, ultimately leading to the synthesis of glucose.
In summary, oxaloacetate is converted to malate in the mitochondrial matrix, transported to the cytoplasm as malate, and then converted back to oxaloacetate, enabling its participation in gluconeogenesis.

Learn more about gluconeogenesis here:

https://brainly.com/question/1425339

#SPJ11

Answer:

Im not sure what your exactly asking but for the last question just say something along the lines of how Europe was the highest popualtion dessity and Australia has the lowest. Do you need help with the bar graph?

Explanation:

Answer:  You can say that there is sometimes a pattern in the numbers.  In the graph, The density of Africa minus North America's density equals 2, and the density of North America minus South America's density also equals 2.

Sorry, if this didn't help and also if it is not the right answer.

The unique chemical structure of the cell wall of mycobacterium spp. is associated with the presence of N-glycolyl muramic acid and an increase in lipid content.

Mycobacteria have strong, four-layered cell walls that are exceedingly thick. Peptidoglycan makes up the first layer, whereas lipids make up the subsequent layers. In order to maintain appropriate osmotic stability, peptidoglycan performs crucial activities like stiffness and rigidity. Bacteria are resistant to environments that are acidic and alkaline due to the presence of lipids.

All Mycobacterium species can be identified by their thicker cell walls, which are waxy, hydrophobic and abundant in mycolic acids. This is a characteristic that sets them apart from many other bacterial species. The mycolic acids make the mycobacterium less prone to antibiotics. Additionally, these molecules aid the bacteria in tricking the immune system and then hiding from it. 

Learn more about the cell wall of mycobacterium at https://brainly.com/question/10439361

#SPJ4

Answer:

Bill nye the science guy

Explanation:

cuz

The phenotypes then have a different phenotypic distribution.

The variation between genotypically identical individuals as well as the average differences between genotypes determines the phenotypic distribution of a trait.

However, each is a result of the succession of habitats in which the creatures grow and thrive.

Across environmental gradients, phenotypic distribution within species can vary greatly, but predictions of species responses to environmental change frequently presumptively assume that species react uniformly throughout their ranges.

Therefore, different phenotypes are caused by genes whose alleles each add a particular increment to the total in some traits. The distribution of the phenotypes changes as a result.

To learn more about phenotypic distribution, refer to the link:

https://brainly.com/question/23180463

#SPJ2

A magnetic field is created by the flow of an electric current.

Answer: The spicules of the sponges are made up of calcium carbonate and silica. These structures are present in the body of sponges to provide them support and protection.

The sponges have the endoskeleton in the body which is developed by the specialized cells of the body.

The endoskeleton of the sponges are known as spicules. Actually the outer body of the sponges are very soft and internally has endoskeleton for protection which is a bit hard as it is made of silicon dioxide or calcium carbonate.

A. True, B. False, C. True, D. False, E. True -  Membrane proteins can indeed function as enzymes.

A. True. Membrane proteins play a crucial role in facilitating the transportation of molecules across cellular membranes. They can act as channels, carriers, or pumps to transport ions, nutrients, and other molecules across the lipid bilayer.

B. False. Membrane proteins are not directly involved in DNA replication. DNA replication primarily involves the action of enzymes and proteins specific to DNA replication processes.

C. True. Membrane proteins can serve as cell surface receptors, which are involved in receiving signals from the external environment and transmitting them into the cell. These receptors can interact with ligands, such as hormones or neurotransmitters, and initiate signaling cascades within the cell.

D. False. Membrane proteins are not water-soluble in their entirety. While they may contain regions that are soluble in water (such as hydrophilic domains), their overall structure is designed to interact with the hydrophobic lipid bilayer of the membrane. This allows them to span the membrane and maintain their functional orientation.

E. True. Membrane proteins can indeed function as enzymes. Enzymes are proteins that catalyze specific chemical reactions, and some membrane proteins possess enzymatic activity. Examples include membrane-bound enzymes involved in processes such as signal transduction, energy production (e.g., ATP synthase), and lipid metabolism (e.g., phospholipase).

To know more about enzymes follow the link:

https://brainly.com/question/29771201

#SPJ4

The correct question is:

Membrane proteins

Indicate if the following statements about membrane proteins are true or false.

A. They can aid in the transportation of molecules across membranes.

B. They are used in DNA replication.

C. They can act as cell surface receptors.

D. They are totally water soluble.

E. They can be enzymes.

Answer:

I think that it would be; Population, Community, Ecosystem, Biomes, Biosphere.

Explanation:

Hope this helps!

Answer: Costs: Dams can result in land loss from flooding and can be harmful to fish and other animals.

Explanation:

To determine the number of hours that have passed since the original two bacteria were placed in the dish, we can use the fact that the number of bacteria quadruples every hour.

Starting with two bacteria, we can observe the progression:

Hour 1: 2 bacteria

Hour 2: 2 x 4 = 8 bacteria

Hour 3: 8 x 4 = 32 bacteria

Hour 4: 32 x 4 = 128 bacteria

Hour 5: 128 x 4 = 512 bacteria

Hour 6: 512 x 4 = 2048 bacteria

Hour 7: 2048 x 4 = 8192 bacteria

Hour 8: 8192 x 4 = 32768 bacteria

Hour 9: 32768 x 4 = 131072 bacteria

Therefore, it took 9 hours for the number of bacteria to reach 131,072.

To solve more questions on bacteria , visit the link below

brainly.com/question/30217998

#SPJ11

In this statement, the characteristic of life is growth, i.e the increase in number and size of cells.

Answer:

Neutron

Explanation:

Neutrons are uncharged particles found within all atomic nuclei.

Answer: b. The inheritance of alleles of one gene does not affect the inheritance of alleles of another gene.

Explanation: