what is not a function of the respiratory system?
A.
Inhaling and exhaling
B.
Removing carbon dioxide
C.
Providing lungs with nutrients
D.
Intaking oxygen

Answer: A. The cells produced sugar and oxygen during photosynthesis

Explanation: Plants today make use of this same trait, absorbing the sun's energy and air to create food (sugar) and oxygen (as a by-product)

Answer:

Explanation:

RGD stands for Arginine Glycine Aspartate and is a three-amino-acid peptide. It is the most extensively utilized adhesive peptide for adhering diverse cell types to a variety of biomaterials. Integrins, fibrinogen,  osteopontin, fibronectin, and bone sialoprotein, as well as collagens and laminins, all include an RGD primary binding domain. As a result, the synthetic (artificial) peptide RGD may bind to a wide range of integrin types. The artificial RGD retains its functioning through the sterilizing and processing processes of biomaterial creation because of its recognition advantage. This feature denotes the immune reactivity and pathogen transmission during xenograft.

Affinity can be modulated by the conformation of artificial RGD. The efficacy of RGD is also determined by the in vitro deposition of cells on the surface of the material sample.

The molecular processes unravel its effectiveness throughout its use as a scaffold foundation in in-vivo models. The fact that artificial RGD cannot work well in isolation is now a major aspect that defines its activity.

It has been discovered that cells release a variety of integrin-binding proteins that are more effective in activating integrin signalling than pure RGD. As a result, most biomaterials will bind and adsorb these proteins rather than RGD. As a result, a serum-free medium is employed in the majority of in vitro research.

As a result, biomaterials are supplied with RGD as well as quasi polymers such as polyethylene glycol to reduce the variance produced by native proteins. The addition of additional amino acids to RGD based on natural sequences can increase its biological activity, which can aid in the development of new tissues and the stimulation of cellular responses and signalling.

The amino terminal endpoint of the peptide, as well as the carboxyl group of the material surface, establish a covalent connection, which binds the peptide to just the surface of its biomaterial. Cell adhesion biomaterials are made from a variety of cell adhesion materials, including poly-L-lysine, mussels adhesive protein (MAP), and outer membrane (extracellular matrix) proteins.

Because MAPS are high in Dihydroxyphenylalanine and lysine, RGD is coupled with either of these to boost its cell adhesion capability. As a result, they can also aid in the attachment to damp or moist surfaces. It may also firmly adhere to glass, metals, and plastics. The addition of thiol groups to a peptide can also aid in its orientation and boost its stability.

The gap and density of this peptide sequence and structure on the biomaterial surface may be adjusted using a micro and nanotechnology (nanoscale patterning) method, which also improves ligand binding accuracy. Cellular reactions and cell activity are also under its control. Integrin receptors have been shown to be between 9 - 12 nm in size, therefore nanoscale surface patterning is crucial.

As a result, the above methods serve as a strategy for incorporating a cell adhesion recognition domain into a biomaterial while taking into account all of the technical intervention affecting its quantity, type, and affinity to the top layer for cell adhesion as a functioning tissue rather than a monolayer.

Answer:

its also nice to keep a __phone_____ in my purse

Explanation:

Answer:

true

Explanation:

Answer:

Mediterranean climate

Answer:

A 50% chance I believe. The mother will always give the X chromosome and since the father is normal and doesn't carry that ressecive trait they can only get it from the mother. (I'm not completely sure!))

Answer:

50%. 50%. False

Step-by-step explanation:

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Energy is transferred from the Sun to Earth mainly by [tex]\sf\purple{electromagnetic\:waves\:or\:radiation}[/tex].

D. electromagnetic waves. ✔

[tex]\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘[/tex]

Answer:

c

Explanation:

got it in class kick

Answer:

The fact that it reveals is that:

Epinephrine binds to the receptor tyrosine kinase on the cell membrane and does not act on glycogen phosphorylase.

Explanation:

In cellular respiration, epinephrine is a neurotransmitter and a plasma membrane hormone receptor.  It is not a lipid-derived hormone, but rather an amino acid-derived hormone. As a result, they are unable to pass through the plasma membrane of cells. They bind to receptors on the outer surface of the plasma membrane through plasma membrane hormone receptors (receptor's tyrosine kinase of the cell membrane) because they are lipid insoluble hormones.

Unlike steroid hormones, lipid insoluble hormones (epinephrine) do not directly influence glycogen phosphorylase or the target cell because they cannot enter the cell and operate directly on DNA. The activation of a signaling pathway occurs when these hormones attach to a cell surface receptor; this activates intracellular activity and performs the hormone's specific effects. Nothing crosses through the cell membrane in this fashion; the hormone that binds at the cell's surface stays at the cell's surface, while the intracellular component stays within the cell.

Answer:

tmosphere is a present around the surface of the earth but it is not present around the surface of the Moon because

This reduces the amount of gravity on the moon. Strong gravity is needed to hold an atmosphere into place. With weak gravity, gases that are emitted from the surface quickly are lost to outer space. Another reason is because the moon does not currently experience plate tectonics and geologic upwelling. Plate tectonics allows for a recycling of crust and convergence and divergence of plates occurs and this leads to volcanoes and gases escaping at the boundaries. The moon is said to be geologically dead.

Answer:

Vascular tissue is a complex conducting tissue found in vascular plants that is made up of several cell types. The xylem and phloem are the two main components of vascular tissue. Internally, these two tissues carry fluid and nutrients.

OAmalOHopeO

Answer:

Every person has two copies of each gene, one inherited from each parent. Most genes are the same in all people, but a small number of genes, which is less than one percent of the total are slightly different between people.

Explanation:

Answer:

i think answer is 3 and 4

Explanation:

peristalsis is located at esophagus and in our digestive system

The parts where peristalsis will take place are ; ( C )  parts 3 and 4

Peristalsis is a series of muscle contraction occurring in the digestive system of Humans also these series of muscle contraction can be seen in tubes connecting the human kidney and bladder as well.  

From the diagram parts 3 ( esophagus )and 4 ( intestines ) are part of the human digestive system and peristalsis is very evident in these regions in the human body.

Hence we can conclude that The parts where peristalsis will take place are  3 and 4

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Answer:

El entorno de donde vives es que tienes que salir afuera mirar que naturaleza hay por ejemplo afuera de mi casa hay un árbol eso es ya una naturaleza afuera hay una calle fuera de mi casa hay animales domesticados afuera de mi casa hay vecinos pero no te confundas estas hablando de la naturaleza así que solo pon sobre las plantas arboles frutos v de lo que es las plantas o naturalezas espero que te sira

Explanation:

corona plis

Answer:

Explanation:

each gamate carries 22 ordinary chromosome and one sex chromosome,altogether they carry 23 chromosome each.

Answer:

This question lacks options, the options are:

A. All 270 tall plants were heterozygous

B. All 270 tall plants were homzygous.

C. Only 90 plants were homzygous.

D. All dwarf plants were homzygous.

The answer is D.

Explanation:

This question involves a single gene coding for height in pea plants. The allele for tallness (T) is dominant over that of dwarfness (t). This means that a dwarf plant can only be homzygous recessive (tt) while a tall plant can either be homzygous (TT) or heterozygous (Tt).

According to the question, two tall heterozygous pea plants were crossed i.e. Tt × Tt. Based on this cross, a phenotypic ratio of 3:1 is expected, which is in accordance with the 270 tall plants and 90 dwarf plants (360 total) that was obtained in the cross. Since dwarfism in pea plants is a recessive trait, this means that all the dwarf plants produced in this cross (90) were homzygous (tt).

The expected genotype resulting from the cross was that all dwarf plants were purebreed.

So, according to the given information, there is a cross between Tt × Tt.  A phenotypic ratio of 3:1 is desired, which is in accord with the 270 tall plants and 90 dwarf plants (360 total) that were got in the cross.

Since dwarfism in pea plants is a different feature, this means that all the dwarf plants produced in this cross (90) were (tt).

What are the 3 principles of Mendelian genetics?

The fundamental principles of Mendelian inheritance by Mendel's three laws:

Thus,  the cross was that all dwarf plants were purebreed.

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Answer:

Ribosomes

Explanation:

Answer:

Explanation:

Reproduction may be asexual when one individual produces genetically identical offspring, or sexual when the genetic material from two individuals is combined to produce genetically diverse offspring. Asexual reproduction occurs through fission, budding, and fragmentation.

Answer:

The primary sources of energy in the environment include fuels like coal, oil, natural gas, uranium, and biomass. All primary source fuels except biomass are non- renewable. Primary sources also include renewable sources such as sunlight, wind, moving water, and geothermal energy. Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat , kinetic or mechanical energy, light, potential energy , electrical, or other forms. Energy is the ability to do work. Energy sources could be classified as Renewable and Non-renewable. There are five major renewable energy sources

Solar energy from the sun.

Geothermal energy from heat inside the earth.

Wind energy.

Biomass from plants.

Hydropower from flowing water.

Different Sources of Energy

Soar Energy. The primary source of energy is the sun.  

Wind Energy. Wind power is becoming more and more common

Geothermal Energy. Source: Canva

Hydrogen Energy

Tidal Energy

Wave Energy  

Hydroelectric Energy  

Biomass Energy

Hope this helps Have a good day

Answer:

Which description belongs in the area marked Z? Protection.

Explanation:

Have a great summer.

Herding is refer to as the act of bringing individual animals together into a group, maintaining the group, and moving the group from place to place or any combination of those.  The description belongs in the area marked "Z" is foraging. Thus, the correct option is C.

A flocking is refer to as the large number of birds, especially those gathered together for the purpose of migration.  For example, a large number of animals, especially sheep or goats kept together and migrate.

Foraging behavior includes all the methods by which an animal acquires and utilizes sources of energy and nutrients. This also includes the location and resources consumption, as well as their recapture and storage, within the context of the larger community.

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Question passage: This PASSAGE is adapted from “Rare Woodland Plant Uses‘Cryptic Coloration’ to Hide from Predators.” ©2009 byAmerican Journal of Botany, Inc.It is well known that some animal species usecamouflage to hide from predators. Individuals thatare able to blend in to their surroundings and avoidbeing eaten are able to survive longer, reproduce, andthus increase their fitness (pass along their genes tothe next generation) compared to those who standout more. This may seem like a good strategy, andfairly common in the animal kingdom, but who everheard of a plant doing the same thing?In plants, the use of coloration or pigmentation asa vital component of acquiring food (e.g.,photosynthesis) or as a means of attractingpollinators (e.g., flowers) has been well studied.However, variation in pigmentation as a means ofescaping predation has received little attention.Matthew Klooster from Harvard University andcolleagues empirically investigated whether the driedbracts (specialized leaves) on a rare woodland plant,Monotropsis odorata, might serve a similar purposeas the stripes on a tiger or the grey coloration of thewings of the peppered moth: namely, to hide.

The PASSAGE indicates that compared with other functions of coloration in plants, camouflage in plants has A) provided scientists with a deeper understanding of potential food sources. B) made use of a wider variety of distinctive shades of colors. C) proved to be a less effective defense against predators. D) been the subject of a smaller number of scientific investigations.

Answer: The correct option is C(proved to be a less effective defense against predators).

Explanation:

Adaptation is a means by which plants or animals modify their forms, structures, functions and behaviour in order to escape being harmed and survive in their environment. The special adaptations of organisms in a habitat enables them to live there successfully and reproduce. There are 3 types of adaptation which include:

--> structural adaptation,

--> adaptive coloration and

--> behavioural adaptations.

From the passage, the plant under study shows ADAPTIVE COLOURATION. Colour and colour pattern plays an important role in adaptations of plants. These occur due to the presence of pigments in cells of plants. Common pigments responsible for coloration in plants are:

--> chlorophyll: this gives green colour to plants that has chloroplasts in their cells.

--> Carotene and xanthophyll: this gives yellow to orange colour to plants that has chromoplasts in their cells.

From the passage, the use of coloration or pigmentation in the plant as a vital component of acquiring food (e.g.,photosynthesis) or as a means of attracting pollinators (e.g., flowers) has been well studied but it's use to escape from predation has received little attention. Therefore camouflage in plants has proved to be a less effective defense against predators.

Answer:

Explanation:

Human and birds as the basis for comparison. Some birds walk and run with their backs and femurs tilting at small angles to the horizontal and with bent knees while most human walk uprightly with legs straight and this can be seen in the duty and task performed by man.

Humans exert on the ground while walking two-peaked pattern of force which makes some human work very fast but Birds do not exact two-peaked pattern of force.

Human walking for individual with same body mass is relatively economical of metabolic energy while Bipedal locomotion is economical for wading birds, it is expensive for geese and penguins.

Answer:

100m sprint

Explanation:

The ATP/CP Pathway is best for in 100m sprint activity.

Adenosine Triphosphate (ATP) is the energy carrier in every living organisms on earth which capture and store energy metabolized from food and light sources in the form of ATP.

ATP is broken down through hydrolysis during energy required by a cell, The high energy bond is broken and removal of a phosphoryl group occurred.

The energy released from this process is used to drive various cellular processes.

ATP is constantly  participates in biological reactions and central to the health and growth of all life, transfer energy from one location to another,.

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