Name 3 hormones that have a direct impact on calcium metabolism relating to the skeletal system

Answers

Answer 1

Answer:

Three major hormones (PTH, vitamin D, and calcitonin) interact to maintain a constant concentration of calcium, despite variations in intake and excretion.

Explanation:

The second major hormone involved in the regulation of calcium metabolism and skeletal remodeling is vitamin D, which includes cholecalciferol (vitamin D3) of animal origin, as well as ergocalciferol (vitamin D2) of plant origin.


Related Questions

Some scientists who are Christians have developed a theory called ___________ to explain the creation and development of life on earth.

Intelligent Design
fossil formation
relativity

Answers

Answer:

Intelligent Design

Some scientists who are Christians have developed a theory called Intelligent Design to explain the creation and development of life on earth.

However, in my opinion its complete nonsense

Evolution is change in a population over time and includes the gene pools of that population. How does biogeographic isolation allow for the change of gene pools over time

Answers

OPTIONS:

A) biogeographic isolation affects the random changes that take place within gene pools

B) biogeographic isolation affects the changes in gene pools that result from which organisms are breeding

C) biogeographic isolation determines who will win competition for mates

D) biogeographic isolation determines the time that populations will breed

Answer:

A) biogeographic isolation affects the random changes that take place within gene pools

Explanation:

Organisms can become splitted and isolated from each other by biogeographical factors, thereby preventing the isolated population of species from interbreeding with each other. When this occurs, the isolated population, over time, evolve separately and later become distinct from each other leading to a change in the original gene pool.

Biogeographical factors uch as habitat isolation can cause a change in the original gene of a species population which have now become isolated geographically, and thus, evolve separately.

Predict which one of the following organisms will have the highest percentage of unsaturated fatty acid chains in their membranes: Group of answer choices thermophilic bacteria desert iguana humans antarctic fish

Answers

Answer:

Humans

Explanation:

Humans are bigger than most beings and some people are extremely obese.

The organisms that have the highest percentage of unsaturated fatty acid chains in their membranes are ANTARCTIC FISH.

Unsaturated fatty acid chains have one or more double bonds, while saturated fatty acid chains do not contain any double bonds.

When the temperature decreases, the composition of the phospholipids bilayer membrane becomes more unsaturated to be able to maintain different properties such as homeoviscosity.

In consequence, membrane lipids exhibit the highest percentage of unsaturated fatty acid chains during cold acclimation.

In conclusion, the organisms that have the highest percentage of unsaturated fatty acid chains in their membranes are ANTARCTIC FISH.

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is the relationship linear,exponential, or neither? (9,13) (14,16) (19,19) (24,22)

Answers

Answer:

Linear

Explanation:

If you were to put this in a table, the rate of change would be constant

The answer is Linear

Solid, gas, and liquid Which states of matter have a set shape? Explain why this is, based on the animation you observe for the different states of matter. Which states of matter have a set volume? Explain this based on the animations you observe for the different states of matter?

Answers

Answer:Solid has a set shape. Solid can move but gas and liquid is more flexible than solid. Solid has a fixed volume while liquid and gas takes the volume of its container. Solid stays in one place while gas and liquid is flexible.

Explanation:

1. What are the two types of digestion?​

Answers

Answer:

Mechanical digestion

Chemical digestion

Explanation:

Food is physically broken into smaller parts. For instance, by chewing.

Food is broken down by acids and enzymes into its basic units.

Mechanical digestion
Chemical digestion

Brian's eighth grade biology class is conducting a scientific investigation to find out what types of rock the school is built on. The class goes out to collect rocks from an exposure at the edge of the school property. Which scientific process is the class involved in when they do this

Answers

Answer:

Gathering evidence.

Explanation:

Scientific evidence refers to the information obtained by research or observation.t This is the root of the scientific method because it's how an investigator evaluates different ideas, theories, or hypotheses. The mechanism of science involves explaining the phenomena we see in the world that match the data one has collected for the purpose. If one's theory doesn't match the evidence, then it needs to be revised. Therefore collecting evidence is a significant part of scientific investigation.

proof that something is true is called
evidence
opinion
Obelief
claim

Answers

Answer:

Evidence

Explanation:

Evidence is proof that something is true

evidence is proof that something is true

Photon energy is proportional to which of the following?
period of the light wave
frequency of the light wave
speed of the light wave
color of the light wave

PLZ ANSWER 20 POINTS

Answers

Frequency of the light wave

Which is a factor that determines whether a molecule can cross a cell membrane?

Answers

Answer:

 if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer. 

there are proteins that work as channels and pumps that allow these molecules to pass

Explanation:

The polarity of the molecule determines whether a molecule can cross a cell membrane. The correct option is D.

What is polarity?

The asymmetric establishment of several cellular components, such as the plasma membrane, cytoskeleton, or organelles, is alluded to as cell polarity.

The polarity of the molecule determines whether a molecule can cross a cell membrane as the cell membrane is composed of phospholipids which are polar in nature.

Thus, the correct option is D.

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The missing options of the question are:

Speed.Texture.Mass.Polarity.

A receptor is a structure that detects stimuli. The stigma (eyespot) of Euglenoids detects ____, assisting with phototaxis. A. light intensity and direction B. vibrations C. chemicals D. sound frequency and direction E. temperature change

Answers

Answer:

The correct answer is option A, that is, light intensity and direction.

Explanation:

A photoreceptive organelle witnessed in the motile or flagellated cells of unicellular photosynthetic species like euglenoids and green algae is known as the stigma or the eyespot apparatus. It permits the cells of the organism to detect the intensity and direction of the light and react towards it.  

This assists the organisms to either swim away from the light known as negative phototaxis, or to swim towards it known as positive phototaxis. The eyespots are the basic and the most typical eyes witnessed in nature. The eyespots comprise bright areas or orange and red granules of pigment and photoreceptors.  

both ethanol and glycine are small molecules of approximately equal molecular weight. However, ethanol is much more membrane permeable than glycine. What accounts for the large difference in membrane permeability between ethanol and glycine

Answers

Answer:

Ethanol is a non polar molecule.Therefore it passes through the cells membrane easily by diffusion like other non polar like CO2 and water.However, glycine is an amino acid ( the simplest amino acid) a charged molecule /polar molecule/.it can not therefore pass through the bilayer by simple diffusion because of the phospholipid bi-layers. Therefore special transport proteins are needed for its passage across the cell membrane.

Example-GLYT 1 and 2 are the carrier proteins  specific for glycine transport across the membrane.

G

Explanation:

In the human nervous system, the brain is an example of what level of organization? a. cell b. tissue c. organ system d. organ

Answers

Answer:

d. organ

HOPE it helps!!!

Answer:

The answer is the organ

Explanation:

Assume that plant weight is determined by a pair of alleles at each of two independently assorting loci (A and a, B and b) that are additive in their effects. Further assume that each allele represented by an uppercase letter contributes 4 g to weight and that each allele represented by a lowercase letter contributes 1 g to weight. If a plant with genotype AA BB is crossed with a plant with genotype aa bb, what weights are expected in the F_a progeny?
A. 1 g
B. 4 g
C. 8 g
D. 10 g

Answers

Answer: choice D. 10g

Explanation:

The cross is AABB x aabb so the F1 progeny would have AaBb genotype.

The question states that dominant alleles(uppercase letters) contribute 4g and recessive ones contribute 1g to the weight of the plant.

so for AaBb we would have 4+1+4+1=10g.

Answer:

D.

Explanation:

Do all vertebrates have the same number of bones? Please answer

Answers

Answer: no

Explanation: vertebrates vary in sizes and shapes! humans have 206 bones but when born they have 300!

wild right?

Answer:

no

Explanation:

humans have 206 bones when you where born you have 300

Name the mandibular motion resulting from the following combinations of muscle contractions: ________
a) B Masseter, B Temporalis, B Medial Pterygoid
b) L Lateral Pterygoid, R Masseter
c) B Lateral Pterygoid, B Medial Pterygoid
d) B Lateral Pterygoid, B Digastric

Answers

Answer:

c) B Lateral Pterygoid, B Medial Pterygoid

Mandibular motion is by combinations of B Lateral Pterygoid, and B Medial Pterygoid contraction which controls the mandible's closure, hence option c is correct.

What are muscle contractions?

There are several of these, including the masseter and temporalis muscles, which control the mandible's closure; the medial pterygoid muscle, which controls the mandible's closure and lateral movements.

The lateral pterygoid muscle, controls the mandible's opening, deviation to either side, and anterior movement.

The lateral pterygoid muscles on the side that is contralateral to the excursion are contracted to move the jaw to one side (laterotrusion), with the help of the posterior temporalis muscle on the same side (ipsilateral).

Therefore the combination of B Lateral Pterygoid, and B Medial Pterygoid creates mandibular motion, hence option c is correct.

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What happens during telophase of the cell cycle? A. Chromosomes are pulled apart. B. Chromosomes line up. C. Chromosomes uncoil and the nucleus reappears. D. Chromosomes condense

Answers

Answer:

C. Chromosomes uncoil and the nucleus reappears.

Explanation:

Answer: C. Chromosomes uncoil and the nucleus reappears.

Explanation:

Telophase is the final stage of the cell cycle which involves the separation of daughter cells.

Hope it helps .

Calculate the efficiency of glycolysis if 12 kcal of energy are required to transfer energy from glucose to ATP.
Explain please​

Answers

Answer:

The ATP has a full meaning . If you get to know the full meaning you will understand it

Which puppy might have been placed into this litter by mistake

Answers

Can you please post the picture with it. Thank you!
What puppies are you talking about and did you mean to put an image too? :)

Which eras ended with a mass extinction?
O A. Paleozoic and Precambrian
O B. Mesozoic and Paleozoic
OC. Mesozoic and Cenozoic
O D. Cenozoic and Paleozoic

Answers

B. Mesozoic and Paleozoic eras ended with mass extinctions.

What is Mass extinctions?

Mass extinctions are periods in Earth's history when a significant proportion of the planet's biodiversity is wiped out in a relatively short period of time.

These events have occurred several times throughout Earth's history, and they are typically associated with major geological and environmental changes.

The Mesozoic era, which lasted from about 252 to 66 million years ago, ended with the Cretaceous-Paleogene extinction event. This event was likely caused by the impact of a large asteroid or comet, which triggered a range of environmental changes, including wildfires, acid rain, and a nuclear winter-like effect.

The event is most famous for wiping out the dinosaurs, but it also resulted in the extinction of many other species, both on land and in the oceans.

The Mesozoic era ended with the Cretaceous-Paleogene extinction event, which wiped out the dinosaurs and many other species.

The Paleozoic era ended with the Permian-Triassic extinction event, which was the largest mass extinction in Earth's history, and resulted in the loss of approximately 96% of all marine species and 70% of land species.

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is it actually rare to step on an ant? this sounds dumb but I’m curious.

Answers

Answer: No

Explanation:

i mean it depends if you live near an ant colony or colonies.

No, there are ants crawling everywhere so you are bound to step on quite a few

The image to the left shows Earth's major plates. A
geologist is studying a plate boundary indicated by the
arrow
Fill in the blank to complete the statement about the
plate boundary
This boundary is between the African Plate and the
Plate

Answers

Answer:

Its Eurasian

Explanation:

This boundary is between the African Plate and the Eurasian Plate.

This boundary is known as a convergent plate boundary. Convergent plate boundaries occur when two tectonic plates move toward each other.

In the case of the African Plate and the Eurasian Plate, they are colliding, and one plate is being forced beneath the other in a process called subduction.

As the plates converge, the intense pressure and friction cause seismic activity, leading to earthquakes and volcanic eruptions in the region.

These collisions also result in the formation of mountain ranges, such as the Himalayas, as the crust is pushed upward and folded.

Studying this convergent plate boundary is essential for understanding the geological processes shaping our planet's surface and the associated hazards like earthquakes and volcanoes.

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Which corrections should be made to describe photosynthesis accurately? Check all that apply.

(1) Light energy and chemical energy should be switched.

(1) Chemical energy should be changed to mechanical energy.

(3) Plants that contain chlorophyll should not be included.

(3) Oxygen should be changed to carbon dioxide.

(4) Animals and plants should be switched.

Answers

Answer:

Light energy and chemical energy should be switched.

Plants that contain chlorophyll should not be included.

Animals and plants should be switched.

Explanation:

We have that for the Question,it can be said that the corrections which should be made to describe photosynthesis accurately will have it at the end defined as

Photosynthesis Is a process an phenomenon where plants possessing chlorophyll and uses sunlight water and carbon dioxide  to produce chemical energy.

From the question we are told

Which corrections should be made to describe photosynthesis accurately? Check all that apply.  

(1) Light energy and chemical energy should be switched.  

(1) Chemical energy should be changed to mechanical energy.  

(3) Plants that contain chlorophyll should not be included.  

(3) Oxygen should be changed to carbon dioxide.

Generally

The correct definition of photosynthesis is

Photosynthesis Is a process an phenomenon where plants possessing chlorophyll and uses sunlight water and carbon dioxide  to produce chemical energy.

Therefore

The corrections which should be made to describe photosynthesis accurately will have it at the end defined as

Photosynthesis Is a process an phenomenon where plants possessing chlorophyll and uses sunlight water and carbon dioxide  to produce chemical energy.

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Which of the following statements is true regarding anabolism?

Choose 1 answer:

А) Energy is released during anabolic reactions.
B) In anabolism, larger molecules are made from smaller molecules.
C) Anabolism is the sum of all the chemical reactions in a cell.
D) Anabolism uses the process of hydrolysis to join molecules together.

Answers

Answer:

B) In anabolism, larger molecules are made from smaller molecules.

Explanation:

Anabolism is a metabolic process that uses up energy that is produced to build up complex and larger molecules from smaller ones. It is part of the chemical process that takes place in a cell.

For example, photosynthesis is an anabolic process, in which the cell forms larger molecules such as glucose from smaller molecules like water and carbon dioxide, with the use of solar energy.

Option B is true regarding anabolism.

How has human activity changed the planet?

Answers

Answer:

a lot of things

Explanation:

you see, we have polluted the planet, and if we keep on doing it, then the planet will die

Explanation:

human impact on the environment or anthropogenic impact on the environment includes changes to biophysical environmsnts and ecosystems, biodiversity, and natural resources caused directly or indirectly by humans including global warming, environmental degradation (such as ocean acidification) etc

What do all organisms have ?

Answers

Answer:

All organisms are capable of reproduction and development

Answer:

Organs, If thats not correct than cells

Explanation:

_________10. Which of the following groups of plants carry out light dependent and light independent reactions of
photosynthesis in separate cells?
A. Plants with chlorophyll C. C3 – plants
B. CAM Plants D. C4 – plants

Answers

Answer:

Plants with chlorophyll

1. Summarize the six ways the loss of Arctic ice is affecting everyone.

six ways are temperature,coastal communities,food,shipping,wildlife,permafrost

Answers

Answer:

Explanation:

Artic Ice are melting due to change in the climatic system as a result of global warming. The active increase in human activity resulting in global warming will continually perpetuate the decrease in artic Ice.

Artic heat help to balance temperature or heat on the earth surface by reflecting heat back into the environment. When the artic Ice is reduced, the amount of heat reflected is also reduces.

Coastal community - a continuous rise in ocean level can lead to flooding which will affect the coastal community surrounding the ocean. An the ocean has been incredible gradually over the pass decades.

Food - Reduction in the artic Ice car Lea to increase heat affect crop growth through damage by heat stresses leading to an increase price rate of food.

Meltng of Ice increase the shipping routes causing more harm through ship wrek.

Melting of Ice can leave to loss of animals that depends on it for survival.

Permafrost occurs when the ground is permanently block or frozen leading to accumulation of methane gases that causes global warming.

HHH
НОН
HHH
но-н
нЩн
нон
HHH
HHH
HHH
List the number of each atom in the formulas above:
Н
О
0

Answers

Answer:

According to the diagram above, there are 8 Hydrogen, 1 Oxygen and 3 Carbon .

Answer:

3 carbons

Explanation:

Suppose Stephen breeds snakes and wants to optimize production of offspring with both black bodies and brown eyes, which are coded for by two genes with the recessive alleles b and e, respectively. In snakes, B codes for brown bodies and E codes for red eyes. Stephen crosses two heterozygotes that produce 544 offspring. How many of these 544 offspring are predicted to have both black bodies and brown eyes?

Answers

Answer:

34

Explanation:

B codes for brown bodies.

E codes of red eyes.

b and e together code for black bodies and brown eyes.

Heterozygous brown body snake would have the genotype Bb.

Heterozygous red eyes would have the genotype Ee.

Individuals that are heteozygous for both trait would have the genotype BbEe.

Crossing two heterozygous individuals:

BbEe   x   BbEe

Progeny:

9 BBEE

3 B_ee

3 bbE_

1 bbee

Recall that black bodies and brown eyes requires be, hence the ratio of the progeny with black bodies and brown eyes is 1/16.

If the total number of offspring produced is 544, the number predicted to have black bodes and brown eyes would be:

    1/16 x 544 = 34

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