The number of substrate molecules converted to product in a given unit of time by a single enzyme molecule at saturation is referred to as the: a. Michaelis-Menten number
b. turnover number c. half-saturation constant
d. dissociation constant e. maximum velocity

Answer:

electrons

are very small

Answer:

Explanation:

In carbon cycle, carbon is just being recycled from one thing to other. For example, here we can see that green plants are part of carbon cycle because they go through photosynthesis, a process through with plants take in Carbon dioxide. The carbon is then used to make molecules such as carbohydrates and proteins, and are part of structural support to plant cells as well. Now when this organism (the organism could be an animal or plant) dies, the bacteria decomposes the organic matter (the dead body) and through respiration the carbon dioxide is released back into the environment.

Another way carbon recycles is that animals, plants, and microorganisms all respire (breathe out) CO2 thus carbon dioxide is added to the environment.

Answer:

Hi.. Ok lets start with animals.....Animals give out carbon dioxide during the breathing process and obtain oxygen.The carbon dioxide given out by the animals is obtained by green plants which use it on addition to chlorophyll water and light energy to make their own food.When animals die they decompose to form micro organisms...The micro organisms add nutrients to the soil thus promoting the growth of plants.I think it is the foodchain

Answer:

El numero diploide de la especie humana se restablece durante la fecundación del ovulo por parte del espermatozoide, en donde estas dos células haploides (23 cromosomas) se unen formando un cigoto y próximamente un feto que poseerá los 46 cromosomas necesarios para la formación de un ser humano

Explanation:

The populations will come genetically homogenized if the two populations of the genetically distinct flowers begin to change settlers between the populations.

Natural selection and inheritable drift tend to enhance inheritable differences among populations; migration tends to homogenize inheritable difference, dwindling the differences among populations.. In speciation, an ancestral species splits into two or further assignee species that are genetically different from one another and can no longer interbreed. Darwin envisaged speciation as a branching event.Genetic drift is the change in frequency of a gene variant in the population due to arbitrary chance. inheritable drift may beget gene variants to vanish fully and thereby reduce inheritable variation

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If the two populations of the genetically dissimilar flowers start to exchange settlers between the populations, the populations will become genetically homogenized.

Migration tends to homogenize inheritable differences, reducing the differences between groups, but natural selection and inheritable drift tend to strengthen inheritable differences among populations. An ancestor species that can no longer interbreed separates into two or more new species that are genetically distinct from one another. According to Darwin, speciation is a branching process. Genetic drift is the shift in population frequency of a gene variant brought on by random chance. Gene variations that are caused by inheritable drift may completely disappear, reducing the amount of inheritable variation.

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When no further flexion of any of the involved joints may be reached, the result is an active insufficiency of the extensor muscles. They are involved in muscle extension.

The extensor muscles are muscles capable of increasing the angle between members in a given limb.

Extensor muscles include, for example, teres major, the latissimus dorsi, triceps brachii, etc.

Moreover, flexor muscles include upper limb flexors such as biceps brachii and brachialis.

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Answer:

because a lot of the energy has been lost to its surroundings

Explanation:

Option A is correct. Flowering locus Time- Genes that change flowering time in any Arabidopsis accession are referred to as "flowering-time genes" by us.

Endogenous genetic components, as well as a number of environmental elements like day length, temperature, and stress, influence when flowers appear. In the long-day-flowering plant Arabidopsis thaliana and the short-day-flowering rice, the genetic components and molecular mechanisms governing this process have been studied (Oryza sativa). Reviews of the research on those factors have, however, been scarce. In this study, we concentrated on the effects of nutrients, environmental temperature, drought, salinity, exogenously applied hormones and chemicals, and pathogenic microbes on flowering time. Plants either start flowering to produce seeds for the next generation in response to such stresses or stimuli, or else flowering is postponed by a slowing of metabolism.

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The plasma membrane is the bacterial structure that acts as a selective barrier, allowing nutrients to enter the cell and wastes to leave the cell.

The cell membrane or plasma membrane can be described as a selectively permeable membrane that allows the selective entry of materials into and out of a cell. All the organelles of a cell are enclosed in the plasma membrane and hence it separates the interior of a cell from the exterior.

For single-celled organisms, such as bacteria, nutrients are received by the cell through the plasma membrane and excretion of waste also occurs through the plasma membrane. The bacterial cell membrane is made up of phospholipids and usually, it encloses a food particle in it for absorption of food.

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1. The lens plays a crucial role in vision by focusing light onto the retina at the back of the eye. 2. The thyroid gland produces thyroid hormones, primarily thyroxine (T4) and triiodothyronine (T3). These hormones are responsible for regulating the body's metabolism, growth, and development 3.  Metabolism involves processes such as digestion, absorption, transportation, and utilization of nutrients by cells and Metabolism is crucial for the body system because it provides the necessary energy for cellular activities, such as muscle contraction, nerve transmission, and maintaining body temperature. 4. The endocrine system functions in the body are Regulation of metabolism, Maintenance of homeostasis, Growth and development, Reproduction, and Stress response 5. The different body senses and there function are Vision: The sense of sight, Hearing: The sense of hearing, Taste: The sense of taste, Smell: The sense of smell, Touch: The sense of touch.

1. The Lens is a transparent, flexible structure located behind the iris and pupil. When light enters the eye, the lens changes shape through a process called accommodation to adjust the focus and ensure that the image is properly focused on the retina. By changing its curvature, the lens allows the eye to focus on objects at different distances, enabling clear and sharp vision.

2. The thyroid gland produces thyroid hormones, primarily thyroxine (T4) and triiodothyronine (T3). They influence various processes in the body, including energy production, protein synthesis, and the functioning of organs such as the heart, brain, and muscles.

3. Metabolism refers to the sum of all chemical reactions occurring in the body to convert food into energy and other essential molecules required for growth, repair, and maintenance of bodily functions. It involves processes such as digestion, absorption, transportation, and utilization of nutrients by cells. Metabolism is crucial for the body system because it provides the necessary energy for cellular activities, such as muscle contraction, nerve transmission, and maintaining body temperature.

4. The endocrine system has various functions in the body, including:

Regulation of metabolism: Endocrine glands, such as the thyroid and adrenal glands, produce hormones that influence metabolism, energy production, and nutrient utilization.

Maintenance of homeostasis: Hormones secreted by endocrine glands help regulate and maintain the balance of various bodily functions, such as body temperature, blood pressure, blood sugar levels, and fluid balance.

Growth and development: Endocrine hormones play a vital role in the growth and development of the body, including bone growth, sexual development, and the maturation of reproductive organs.

Reproduction: Hormones produced by the endocrine system are involved in the regulation of reproductive functions, including the menstrual cycle, sperm production, and the development of secondary sexual characteristics.

Stress response: The endocrine system, particularly the adrenal glands, releases hormones like cortisol in response to stress, helping the body cope with and adapt to stressful situations.

5. The body possesses various senses that enable us to perceive and interact with the environment. These senses include:

Vision: The sense of sight, facilitated by the eyes, allows us to detect and interpret light. The eyes capture light, which is then processed by the brain to form visual images.

Hearing: The sense of hearing, facilitated by the ears, allows us to perceive and interpret sound waves. The ears detect vibrations in the air, convert them into electrical signals, and transmit them to the brain for interpretation.

Taste: The sense of taste, facilitated by taste buds on the tongue and other parts of the mouth, enables us to discern different flavors: sweet, sour, salty, bitter, and umami.

Smell: The sense of smell, facilitated by olfactory receptors in the nasal cavity, allows us to detect and differentiate various odors in the environment.

Touch: The sense of touch, facilitated by receptors in the skin, provides information about pressure, temperature, pain, and texture. It allows us to perceive physical sensations and interact with objects and the surrounding environment.

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If an oak tree has 6 chromosomes in its reproductive cells, then it means that it has 12 chromosomes in its somatic cells. This is like this because reproductive cells are generated by meiosis, which is a reductional cell division, producing four cells with half of the genetic material of the original cell and different from each other.

Answer:

C. Meiosis

Explanation:

Answer:

A. YY

B.XY

C.XX

Explanation:

Answer:

A. YY

B. XY

C. XX

Explanation:

Answer:

A

Explanation:

They become magma

Answer:

B. constrict (get tighter)​

Explanation:

Have a competitive advantage in one of the activity but not both.

If dev also has an absolute advantage in growing strawberries and raspberries , he will have a competitive advantage in one of the activity but not both.

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Your body creates 25 million new cells every second. In other words, you will have generated more cells in 15 seconds than there are Americans. The femur, commonly referred to as the thigh bone, is the biggest bone in the human body. The stirrup bone, which is found inside your ear drum, is the tiniest bone.

The framework of an individual is their body. It is made up of numerous different cell types that combine to form tissues and ultimately organ systems. They guarantee the survival of the human body and equilibrium.

It has a head, hair, neck, trunk, arms, hands, legs, and feet. The trunk includes the thorax and belly.

Human anatomy, physiology, histology, and embryology are all studied in depth. The anatomy of the body differs in well-known ways. The systems and organs of the human body, as well as how they work, are the main topics of physiology. In order to maintain homeostasis—with safe amounts of chemicals like sugar and oxygen in the blood—many systems and mechanisms interact.

Health experts, physiologists, anatomists, and painters all study the human body to aid in their respective fields.

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Answer:

Cell membrane encloses all the cell organelles.  In prokaryotes, membrane is absent and so membrane-bound cell organelles are also absent.

Significance of membrane can be explained with the help of viruses, as viruses lack cell membranes and that is why they require a host for living and uses the host's cell machinery to multiply.

Hence, cell membranes are important for living organisms to live and perform essential biological processes.

Answer:

Magensium

Explanation:

Answer:

iron

Explanation:

The metal called ferromagnetic metals that goes along with nickel and iron

When a couple of forces (moment) acts on a body, the condition on the body is that it is rotating.

The term "couple of forces" refers to a pair of forces that have equal magnitudes, opposite directions, and are parallel to each other but do not share the same line of action. When a couple of forces acts on a body, it creates a rotational effect or moment. This moment causes the body to rotate around its center of mass or a specific axis.

Therefore, the presence of a couple of forces indicates that the body is undergoing rotational motion. The body may or may not be moving in a particular direction, but it will definitely be rotating.

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Answer: They are spontaneously aborted

Explanation:

The estimated time it will take for the population to reach 5000 bacteria is approximately 13.4 hours.

To estimate when the population will reach 5000 bacteria, we can set up the equation P(t) = 5000 and solve for t.

The given equation for population growth is P(t) = 1000e^(0.12t). To solve for t, we can substitute 5000 for P(t):

5000 = 1000e^(0.12t)

To isolate the exponential term, we can divide both sides of the equation by 1000:

5 = e^(0.12t)

Next, we can take the natural logarithm (ln) of both sides to remove the exponential:

ln(5) = ln(e^(0.12t))

Using the property of logarithms, ln(e^(0.12t)) simplifies to 0.12t:

ln(5) = 0.12t

Now, we can solve for t by dividing both sides by 0.12:

t = ln(5) / 0.12

Using a calculator, we find that ln(5) is approximately 1.6094. Dividing this by 0.12 gives us an approximate value for t:

t ≈ 1.6094 / 0.12 ≈ 13.4117

Rounding to the tenths place, the estimated time it will take for the population to reach 5000 bacteria is approximately 13.4 hours.

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The answer is b. 1000. The diameter of the Sun is approximately 1.39 million kilometers, while the diameter of the Earth is approximately 12,742 kilometers.

Therefore, if we divide the diameter of the Sun by the diameter of the Earth, we get approximately 109.1. This means that about 109 Earths could fit across the diameter of the Sun. However, the question asks how many Earths could fit across the diameter of the Sun, not just the width of the Sun.

Therefore, we need to divide the circumference of the Sun (which is approximately 4.37 million kilometers) by the diameter of the Earth. This gives us approximately 344.8. So, about 345 Earths could fit across the diameter of the Sun. However, since the question asks for an approximation, we can round this number up to 1000, which is answer b.

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Two snapdragons heterozygous for alleles that encode red and white flower color are crossed and if they show incomplete dominance, then ratios of phenotypes in offspring is 25% red, 50% pink and 25% white.

The allele for red flowers is incompletely dominant on the allele for white . Red and white = pink. The results of a cross where the alleles are incompletely dominant can be predicted, same as with complete dominant and recessive crosses.

The crossing of a red flower plant and a white flower plant produces all the offspring with pink flowers. This cross shows that red and white exhibit incomplete dominance. This situation takes place due to the blending of both alleles.

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Answer:

I think its C ...

hope its right....

Explanation:

viruses viruses might be microcells but they are definitely not the smallest cells

not all cells have a nuclei eg bacteria la la a nucleus

all living things are indeed made of one or more cells that's why we can classify them into either eukaryotes or prokaryotes

D is wrong because we don't classify cells into eukaryotes and prokaryotes but we classify organisms into eukaryotes and prokaryotes

The statement "blood osmolarity falls when Na levels in the blood decline" is true.

Osmolality is a test that measures the concentration of all chemical particles found in the fluid part of blood. Osmolality can also be measured with a urine test. Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand.

The statement "blood osmolarity falls when na levels in the blood decline" is true because Na (sodium) is the major solute in blood plasma, and a decrease in its concentration will result in a lower overall osmolarity.

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Answer:

Arsenic has a more metallic behavior than antimony because arsenic’s atoms have more electron shells.

Explanation:

the person above me is wrong

The infectious Plasmodium particles released into the bloodstream by feeding mosquitoes are called sporozoites.

These sporozoites are the initial stage of the malaria parasite lifecycle. When a mosquito carrying the Plasmodium parasite bites a person, it injects these sporozoites into the host's bloodstream. Once inside the bloodstream, the sporozoites travel to the liver and infect liver cells, where they multiply and develop into another form called merozoites. Merozoites then enter the bloodstream again, infect red blood cells, and continue the lifecycle, leading to malaria symptoms. Effective malaria prevention strategies include controlling mosquito populations and using personal protective measures, such as insect repellent and bed nets.

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