A hiker crosses topography near the sea that has low elevation and low relief and then climbs up steeply to reach a
peak
Which two landforms has the hiker experienced?
O hills and plateau
O plateau and mountain
O mountain and coastal plains
O interior plains and hills

células se pueden clasificar en dos grupos: eucariotas y procariotas. Las eucariotas tienen núcleo y orgánulos envueltos por una membrana, mientras que las procariotas no.

True: Water is the trigger for the embryo to begin the enzymatic breakdown of the starchy endosperm. The thick interior of a cotyledon known as the endosperm serves as the embryo's exclusive source of nutrition.

The vital function of enzymes is to reduce the activation energy of a reaction or the quantity of electricity necessary for the process to start. In order to facilitate the chemical bond-forming and bond-breaking processes, enzymes bind to reactant components and hold them in place.

Proteins called enzymes are made up of amino acids connected by one or more protein molecules. The fundamental structure of a polypeptide chain refers to this arrangement of amino acids. This in turn dictates the geometry of the active site and the tri structure of the enzyme.

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Answer:

Among vertebrates, external fertilization is most common in amphibians and fish. Invertebrates utilizing external fertilization are mostly benthic, sessile, or both, including animals such as coral, sea anemones, and tube-dwelling polychaetes. Benthic marine plants also use external fertilization to reproduce.

= Fish

Explanation:

Answer:

The article revealed the fact that Black inventors have always played an active role in inventing new things in America. In the 18th and 19th centuries they were denied the right to patent their inventions because of their status as slaves. This has changed for the better in present times as many Black inventors are being granted patent rights.

Explanation:

The article, "America’s always had black inventors – even when the patent system explicitly excluded them", by Shontavia Johnson, explained the active role that Black Americans, both free and slaves played in inventing things in the United Slaves. The article explained that although the patent rights signed into the constitution in 1787 was written in a neutral tone, it did not change the fact that black inventors were actually denied patent rights.

This segregation affected people like Henry Boyd, Ned, Benjamin Montgomery among others. In recent times, this segregation has significantly been curbed as many Black inventors are now owners of patents. An example is Lonnie Johnson, inventor of the Water Gun and owner of more than 80 patents.

Answer: The article revealed the fact that Black inventors have always played an active role in inventing new things in America. In the 18th and 19th centuries they were denied the right to patent their inventions because of their status as slaves. This has changed for the better in present times as many Black inventors are being granted patent rights.

Explanation: To be Honest

The act of avoiding an immediately enjoyable behavior in the hopes of getting an even better reward at a later time is delayed gratification.

Delayed gratification is the act of resisting an impulse in order to take an immediately available reward in the hope of getting a more-valued reward in the future.

An example of delayed gratification is saving money for retirement instead of spending it now.

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The cellular products of spermatogenesis are four sperm cells. The final products of oogenesis are one egg cell and three polar bodies.

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Answer:

Gigantopithecus could stand on its hind legs, and the known jaws of Gigantopithecus widen towards the rear and proposed that this widening occurred to allow for the housing of a trachea‭ (‬the‭ ‘‬windpipe‭’ ‬that connects the lungs to the mouth opening‭) ‬when the skull was placed directly in top of the head like a human and not carried forward like a great ape.‭

To remove the processor from the processor and heatsink module (PHM), follow these steps:

1. Detach the heatsink from the PHM.

2. Unlock the processor socket and carefully remove the processor.

To remove the processor from the processor and heatsink module (PHM), you need to follow a couple of steps. First, detach the heatsink from the PHM. The heatsink is typically secured to the PHM with screws or clips. Locate and remove these fasteners, ensuring that you handle the heatsink with care to avoid any damage.

Once the heatsink is detached, you can proceed to remove the processor. Modern processors are usually placed in a socket on the PHM, which locks them in place. To unlock the processor socket, consult the documentation or manual specific to the motherboard or system you are working with. There is often a lever or latch that needs to be lifted or pushed to release the processor.

After unlocking the socket, gently lift the processor from the socket. It is important to handle the processor with caution, holding it by the edges and avoiding any contact with the delicate pins or sensitive components on the underside.

The process of removing the processor from the PHM involves detaching the heatsink and then unlocking and removing the processor from its socket. By following these steps carefully, you can safely replace the processor.

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Answer:

Solutes dissolved in water on either side of the cell membrane will tend to diffuse down their concentration gradients, but because most substances cannot pass freely through the lipid bilayer of the cell membrane, their movement is restricted to protein channels and specialized transport mechanisms in the membrane.

Explanation:

Answer:

Evaporation. Evaporation can only take away water volume, not salt content. Hot air around.

Rivers. Rivers can dilute the salt concentration of an ocean. If there are numerous rivers.

Ocean Currents. Function of Ocean currents are responsible in both increasing and.

Ice Formation. The formation of ice takes away most of the fresh water from the ocean.

Explanation:

Answer:

The muscular layer in the wall of a blood vessels in the tunica :- externa

The correct answer is C. A decrease in the population of sea ducks

Explanation:

Food webs are diagrams that represent the relationship of organisms in an ecosystem by showing feeding or predatory relationships. This means food webs show which organisms eats another organism. In the case of the food web presented, this shows bald eagles fed on sea ducks and large piscivorous fish, this implies for survival bald eagles need from these two organisms. In this context, a decrease in the population of sea ducks (option C) would cause a decrease in the population of eagles because fewer sea ducks imply less food for eagles, and therefore fewer resources to survive.

The mutations in the bithorax gene that affect the development of the reduced wing-like t3 appendage, known as the haltere, occur in regulatory regions or control elements of the gene rather than in the coding sequence itself.

These mutations alter the expression and regulation of the bithorax gene, leading to changes in its activity during development.

The bithorax gene is a homeotic gene that controls the formation of body segments and appendages in fruit flies. It contains regulatory regions called enhancers that determine where and when the gene is expressed.

Mutations in these enhancer regions can disrupt the normal pattern of bithorax expression, resulting in abnormal development of the haltere.

For example, some mutations may cause the enhancers to be non-functional, leading to a loss or reduction in bithorax expression in the developing haltere. This can result in a complete or partial transformation of the haltere into a wing-like structure.

Other mutations may alter the timing or spatial pattern of bithorax expression, leading to changes in the size, shape, or identity of the haltere.

These mutations can affect the interactions between the bithorax gene and other genes involved in appendage development, causing developmental abnormalities.

Overall, the mutations in the regulatory regions of the bithorax gene disrupt the normal control of gene expression, leading to diverse effects on the development of the haltere in fruit flies.

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Answer:

d. raise the apparent value of the equilibrium constant, L.

Explanation:

Allosteric regulation is a type of regulation of an enzyme by binding an effector molecule at a site other than the protein's active site (i.e., the allosteric site). The equilibrium constant (L) refers to the transition between two forms of an allosteric protein in absence of a ligand. The properties of allosteric enzymes are explained by conformational changes associated with a low-affinity tense (T) state, or a high-affinity relaxed (R) state. Negative allosteric effectors are molecules that bind to the allosteric site on an enzyme in order to decrease its activity, thereby leading the enzyme to a low activity T state and thus increasing the value of the equilibrium constant.

Protein-energy malnutrition (PEM) is a common youth disorder and is primarily caused by a deficiency of energy, protein, and micronutrients. PEM manifests as skinny stunting wasting, or edematous malnutrition (kwashiorkor).

Malnutrition develops a vicious association with other diseases, such as diarrhea, measles, cancer, and HIV, that lead to increased malnutrition-related death that further imposes both manpower and economic loss epically in poor countries (15–17).

Kwashiorkor is one of the two main types of severe protein-energy undernutrition. People with kwashiorkor are especially deficient in protein, as well as some key micronutrients. Severe protein deficiency causes fluid retention in the tissues (edema), which distinguishes kwashiorkor from other forms of malnutrition.

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Answer:

Once the embryo sac has developed, pollination has occurred, and the pollen tube has grown into the ovary to make contact with the ovule, fertilization (fusion of egg and sperm) can occur.Typically, the pollen tube reaches the embryo sac via the micropyle (Greek, mikros + pyle = small opening), or opening, in the integuments of the ovule.. There, it discharges its sperm into the embry

Explanation:

The pollen tube enters into the ovule, through the micropyle. Inside the embryo sac, the tip of the pollen tube ruptures and the 2 male gametes are set free near the egg apparatus. Inside the embryo sac, one of the 2 male gametes fuses with the egg nucleus and forms a diploid zygote. This process is called syngamy or true fertilisation.

Answer:

In angiosperms, the pollen tube releases

its contents ( including sperm cells) in

to the embryo sac upon insertion into the

ovule, thus completing double

fertilization

Uterine contractions that increase in intensity and regularity, and result in changes to the cervix are contractions of Labour. This is further explained below.

Generally, Uterine contraction is simply defined as the contraction of the uterine muscles, This entails the compression or contraction of uterine muscles.

In conclusion, This is seen during childbirth.

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Answer:

algorithms.

Explanation:

Answer:

All cells carry out cellular respiration but only cells with chloroplasts allow for photosynthesis to occur

Answer:

Koalas can eat them, but I'm not really sure what the options are when you say the following

Explanation:

Answer:B

Explanation:

Trust me

The mitochondrial electron transport chain plays an essential role in cell proliferation by enabling aspartate synthesis.

Here is a step-by-step explanation:
1. Mitochondria are known as the powerhouse of the cell because they generate energy in the form of ATP through a process called oxidative phosphorylation, which involves the electron transport chain.
2. The electron transport chain is a series of protein complexes located in the inner mitochondrial membrane. It transfers electrons from molecules such as NADH and FADH2 to oxygen, creating a flow of electrons.
3. This flow of electrons drives the pumping of protons from the mitochondrial matrix to the intermembrane space, creating an electrochemical gradient.
4. The protons then flow back into the mitochondrial matrix through ATP synthase, driving the synthesis of ATP.
5. In addition to generating ATP, the electron transport chain also helps in the production of aspartate, an important amino acid.
6. Aspartate is synthesized through a series of enzymatic reactions in the mitochondria, which require NADH and FADH2 as electron donors.
7. The electrons donated by NADH and FADH2 during the electron transport chain are used in these enzymatic reactions to convert oxaloacetate to aspartate.
8. Aspartate is a precursor for various biosynthetic pathways, including nucleotide synthesis, which is crucial for cell proliferation.
In conclusion, the mitochondrial electron transport chain enables aspartate synthesis, which is essential for cell proliferation and various metabolic processes.
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Answer:

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Explanation:

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In thick skin, the dermal papilla produce the hair shaft.

The dermal papilla is a finger-shaped structure that will be found in an area where the dermis interdigitates with the epidermis. In the dermal papillae we will find blood vessels that will nourish the hair follicles, carrying nutrients to the deepest layers of the epidermal cells.

The dermal papillae are found in the outermost layer of the dermis, called the papillary dermis. Having a role in the formation and growth of hair.

Therefore, we can confirm that in thick skin, the dermal papilla produce the hair shaft.

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