a hormone that can lower blood levels of calcium ion is

Answers

Answer 1

Answer: Calcitonin

Explanation:

When calcium levels in the blood is low, Parathyroid hormone is released to increase it. On the other hand, when calcium levels are high and need to be decreased, Calcitonin is secreted.

Calcitonin acts in opposition to PTH by inhibiting osteoclasts (a cell from which bone develops), stimulating osteoblasts, and increasing the excretion of calcium into the urine by the kidneys. [lumencandela]


Related Questions


What happens to the oxygen
that is formed when water molecules
are split during photolysis

Answers

Answer:

Since photolysis is the splitting of molecules by light, the oxygen that is formed mostly supplies the oxygen in our atmosphere.

what is the primary product of the light dependent reactions of photosynthesis?

Answers

Answer: Glucose (and also oxygen)

Explanation: Photosynthesis is the process of turning CO2 and H2O in Glucose and oxygen where the chloroplasts use the energy from the sun to rip apart the molecules and rearrange them into glucose, a useable form of energy, and oxygen, a bi product that gets released into the atmosphere.

Look at each picture. Then write in the term that best completes each sentence:
cross-pollination dominant
genetic information
recessive
1. Offspring cells are
identical to parent
cells because they
contain identical ____
2. The pea plant in
this picture is polli-
nating another
plant. This process is
called ______
3. In pea plants, the
allele for purple
flower color is ______
4. Pea plants with
white flowers receive
two __________
over the allele for
white flower color.
alleles for flower
color from parents.

Answers

Answer:

the answer is C. The plant received both alleles from both the parents.

Explanation:

It’s C if you’re doing it on edge

Bears are known to hibernate during the winter and give birth to their cubs 1 point

in the spring. This is made possible because bears mate in the spring and

after a brief moment of embryo development, the embryo stops

development for several months. If the mother has enough stored energy

to last her and her babies through the winter, the embryo will implant and

continue to develop into a baby. What organic molecule would allow the

mother to have energy to allow the embryo to grow through the winter?

Water molecules because it is used during osmosis

Monomers because they are smaller units that makes up polymers

Proteins because it gives the body support

Lipids because lipids stores energy

Answers

Answer:

ufuddsiodpfofiffopOI

Explanation:

HELPPPPPPPPPPPPPPPP
organelle
DEFINITION:

Answers

Answer:

They are the organs of the cells

Explanation:

the end

Answer:

Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive

Explanation:

8
What statement is true about cell walls.
1
Cell walls are present in animal cells
O All cells have cell walls
O Cell walls support, shape, and protection the cell
O In plants, cell walls are made of proteins

Answers

Answer:

Although 3 and 4 are great answers, I honestly think the answer is C. Because you can simply define the cell wall as a semi-rigid thick protective structure that surrounds the cell membrane of some types of cells for protection and defining the shape of the cell. The cell membrane alone cannot provide the required rigidity or strength. All living organisms are composed of cells. Cell walls contain only little amount of protein in the cell wall.

Explanation:

Not all cells have a cell wall; the cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell. Cell walls are found in both prokaryotes and eukaryotes, although not all cells have cell walls. Animal cells does not have a cell wall; Cell walls provide support and give shape to plants. Plant cells have chloroplasts, but animal cells do not. Chloroplasts enable plants to perform photosynthesis to make food.

Internal forces of sources which what is exert on each other in the bodies are part of the system is 

Answers

Answer:

Internal forces are those forces which exert on each other when the bodies are part of the system. The forces acting between the atoms of molecules that keep them together are example of internal force.

Explanation:

Please help me with 11-12 thank you so much

Answers

11. Flames consume and use energy, require oxygen, and moves through the environment.

12. Although it consumes oxygen and produces carbon dioxide like living things, it is nonliving because it has no body or structured cell system.

answer asap asap!


bio

Answers

Either B and D I believe I may be wrong..

Helpppp PLS FAST I will mark as brainlist!
What are air plants?
Why don’t they need soil to grow?
How can this science help us cobalt real life problems ?

Answers

Answer:

1. Air plants are part of the Bromeliad family, air plants are epiphytes — plants that attach themselves to other plants for support, without relying on the host to thrive.

2. They absorb moisture and nutrients through their leaves, not their roots, which they use only to anchor themselves to other plants or objects. Since air plants don't absorb their nutrients through their roots, they can't be planted in the soil.

3. The internal structure and anatomy of Tillandsia have adapted to survive on varied hosts both alive and not. Their leaves are able to pull moisture from the air more efficiently while some have developed a camel-like ability to store water and survive in areas prone to drought. Being up in trees or on rocky cliffs protects these plants from damage done by foraging animals, flooding or erosion on the ground.

Explanation:

Epiphytic plants can be used to determine the elemental composition of the air and soil in which they grow, cycle nitrogen, affect water retention within the rainforest, and house many resources for various plants and animals.

Through the analysis of epiphytes, biologists can determine changes in air and soil composition over time. Air pollution in the rainforest can be monitored by the use of air plants.  By monitoring how mosses and lichens respond to different air pollutants, especially heavy metals, the effect that the toxins have on the environment can be determined In the rainforest, epiphytes can be placed in areas where there is ecological damage to determine if nearby pollutants are affecting the health of the forest and additionally play a role in nitrogen cycling.

What is the difference between guttation and dew

Answers

Answer:

Dew is atmospheric moisture condensing on colder surfaces, and is pure water. Guttation is moisture secreted from within the plant itself, and contains xylem sap. Guttation allows for secretion through the edges of the plant.

Can someone help me with this question?:
what general equation describes cellular respiration? Indicate whether this is a summary of the process or an ordinary chemical equation.
Thank you!

Answers

Answer:

C 6 H 12 O 6 + 6 O 2 --> 6 CO 2 + 6 H 2 O + ATP is the complete balanced chemical formula for cellular respiration.

Explanation:

Which of the following describes flat inland areas, rich and fertile due to the constant replenishing of nutrients from decomposing grasses?

Estuary
Taiga
Temperate grassland
Tropical rainforest

Answers

Answer:

Taiga ,temperate grassland

Temperate grasslands are important biomes characterized by their fertility.  The correct option is C. Temperate grassland are flat inland areas, rich and fertile due to the constant replenishing of nutrients from decomposing grasses.

Biomes

Biomes are defined according to the vegetation structure and the other forms of life inhabiting them.

Their location is determines by the climatic condition in each regions.

Temperate grassland is one of the worlds biomes.

Temperate grasslands

Open plane areas covered by herbal vegetation, with a few deciduous woody species. Grasses dominate temperate grasslands.

 

Distributed in the northern and the southern hemispheres.

 

They are severely affected by fires and tornados.

 

Fires, droughts, and grazing by animals prevent different woody species from establishing.

 

Temperature and rains in these regions widely vary with seasons.

 

The high levels of precipitation and humidity are characteristic of the biome.

 

Climatic conditions drove grass species to develop large roots to establish to the ground. This characteristic helps to reduce erosion and to keep soil humidity.

The soils characterizes for being unusually rich, fertile, and deep.

Temperate grassland are then flat inland areas, rich and fertile due to the constant replenishing of nutrients from decomposing grasses. Option C is correct.

------------------

You will learn more about temperate grasslands at

https://brainly.com/question/25885848

https://brainly.com/question/17864454

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i need help please i don’t know what it is

Answers

Answer:

It should be vacuole!

Explanation:

Hope this helps!

Compare the food chain and the food web below. Explain how biodiversity makes one of these more stable than the other. Be sure to use examples from the diagrams. Hint: How does biodiversity in an ecosystem increase organisms’ chances of survival?
(sorry I didn't know what subject to put)

Answers

Answer:

A food chain is a linear flow of energy and nutrients from one organisim to another .

A food web can be termed as the combination of many different food chains and the relationship that exists between each organisim

For instance :

FOOD CHAIN FOOD WEB

. A linear pathway . A multitude of networks

showing the flow showing the flew of energy

of energy

. A organisim of higher . An organisim of higher

level trophic feeds on a specifi- trophic level has access

c organisim of lower trophic level. to more members of a

lower trophic level.

. Has no effect on the adaptability

and compatitiveness of organisims . . Has a role in impro-

ving the adaptability

and competitiveness of an

organisim .

hope its helpful plz mark me brainliest . Good luck ;)

Colony collapse disorder is a natural phenomenon in which the majority of worker honeybees—bees that collect food for the hive—die at the same time. If several hives in a region experience this phenomenon, how could it affect the life cycle of flowering plants in the region?

Answers

The plants might die out because there is no one to pollinate them

Answer:

A decrease in honeybees can lead to fewer bees pollinating flowers, which could decrease the chances of flowering plants producing offspring.

Explanation:

Edmentum

1. The blood vessel that carries deoxygenated blood to the heart.

A. aorta
B. pulmonary vein
C. pulmonary artery
D. vena cava

which sequence is correct about the circulation process?

A. deoxygenated blood > left heart > aorta > organs > oxygenated blood > vena cava .> right heart
B. oxygenated blood > right heart > lungs > deoxygentaed blood > vena cava > left heart > aorta > organs
C. deoxygenated blood > aorta > left heart > lungs > oxygenated blood > right heart > vena cava > organs
D. oxygenated blood > left heart > aorta > organs > deoxygenated blood > vena cava > left heart

Which of the following is NOT a function of valves?

A. To allow blood in the big arteries to flow out and not back into the heart.
B. To filter the the blood cells as they pass through the vessels.
C. To let blood flow in one direction, towards the heart in veins.
D. To allow blood flow from the upper chamber to the lower chamber of the heart.​

Answers

Answer

The first one is vena cava.

Not sure abt the 2nd and 3rd. Sry

Answer:

1. D

2. A

3. A

Explanation:

hope it's helpful po

brainlest po

5. Juan’s cell phone company charges $35 a month for the phone service plus $0.50 for each text message. How many text messages does Juan send in a month if his bill was $52?

Answers

Answer:

34

Explanation:

Total Cost = Fixed Charge + 0.50 * number of text messages

Total Cost = 52 dollars.

text Messages = x

Fixed charge = 35 dollars.

Equation

Total Cost = Fixed Charge + number of text message * 0.50

Solution

52 = 35 + 0.50 * x                  Subtract 35 from both sides

52 - 35 = 35-35 + 0.50x        Combine

17 = 0.50x                               Divide by 0.50

17/0,50 = 0.50*x/0.50

x = 34 text messages

Question 2 (1 point)
Which of the following statements is true about photosynthesis and cellular
respiration?
Photosynthesis occurs in plants; cellular respiration occurs in animals.
Both processes are carried out in the same location in the cell.
The chemical equations for the processes are opposite of each other.
The steps in both processes are very similar to each other.

Answers

Answer:

Photosynthesis occurs in plants;cellular respiration occurs in animals

Which group of organisms obtains energy by breaking down waste and dead organisms?

consumers
decomposers
predators
producers

Answers

decomposers is the right naswer aoldkdmdkd

right answer: decomposers

QUESTION: What are the building blocks of all organisms?
ANSWER:

Answers

Answer:

Cells

Explanation:

Answer:

Cells

Explanation:

Organisms are created by different types of tissues. These are composed of cells. Animals are made of animal cells which are round, and plants are made of plant cells which are rectangular and have cell walls.

How is an aponeurosis functionally similar to a tendon?

Answers

Answer:

An aponeurosis is functionally similar to a tendon because, like a tendon, it is connective tissue that attaches muscles to bones.

Aponeuroses are thick membranes that separate muscles from one another. They are tough and resilient. Tendons are similar, in both function and composition, only they serve to connect muscles to bones.

how to do this question plz answer ​

Answers

This is because mitochondria produce ATP during aerobic respiration and ATP is needed for muscle to contract. Muscles cells contain more mitochondria because they have to release large amount of energy quickly for movement.

Identify the type of force that is important in forming atoms, stars and planets.

Answers

Answer: First, gravity is the force that pulls us to the surface of the Earth, keeps the planets in orbit around the Sun and causes the formation of planets, stars and galaxies. ... The Strong Nuclear Force binds the nucleus of an atom together.

Explanation:

Michelle was curious about her mother's blood type. Michelle knew that her own blood type was o,
her father's blood type was A, and her two sisters and one brother both also had type A blood. How
could Michelle have type o when everyone else around her seems to have type A blood? Michelle is
really frustrated. Please help her out by making a possible Punnett square showing how this could
happen.

Answers

Blood type is determined by the I gene. IAIA and IAi determines A blood type. IBIB and IBi determines B blood type. ii determines 0 blood type. Michelle's mother must at least carry one recessive allele i.

--------------------------------

The blood type is determined by a gene, which is triallelic.

IA dominant over i. The person presents A type of antigens.

IB dominant over i. The person presents B type of antigens.

IA and IB are codominant. The person presents both types of antigens, A and B.

i is the recessive allele. The person does not present any antigen.

⇒  H0m0zyg0us dominant individuals IAIA, or heter0zyg0us Individuals IAi, will express the A blood type.

⇒  H0m0zyg0us dominant individuals IBIB, or heter0zyg0us Individuals IBi, will express the B blood type.

⇒ Individuals with h0m0zyg0us recessive genotype, ii will express the 0 blood type.

⇒ Individuals carrying IA and IB alleles will express the AB blood type.

To solve the problem, we will use this information.

We know that

Michelle is blood type 0

Father is blood type A

Brother and sister are blood type A

Mother??

⇒ If Michelle is blood type 0, then her genotype is ii. She must have received one recessive allele from her father and one from her mother.

⇒ This suggests that Michelle's father, who is blood type A, is heter0zyg0us IAi. He must have at least one dominant allele IA that determines his phenotype, and one i allele.

⇒ Michelle's brother and sisters are also type A. They might be either h0m0zyg0us dominant IAIA or heter0zyg0us IAi.

⇒ Michelle's mother should have at least one recessive allele i. She could be either IAi or IBi, or ii. There are three possible option for her genotype.

Let us make the Punnet squares to understand it better. We know the genotype of the father, but there are three options for the mother.

Option 1

Cross)   father x mother

Parentals)  IAi     x     IAi

Gametes)  IA    i      IA     i

Punnett square)      IA       i

                       IA    IAIA    IAi

                        i     IAi       ii

F1) 25% of the progeny is expected to be h0m0zyg0us dominant IAIA

     50% of the progeny is expected to be heter0zygus IAi

     25% of the progeny is expected to be h0m0zyg0us recessive ii

75% of the progeny is expected to be blood type A ⇒ IAIA and IAi ⇒ Sisters and brother

25% of the progeny is expected to be blood tye 0 ⇒ ii ⇒ Michelle

Option 2

Cross)   father x mother

Parentals)  IAi     x     IBi

Gametes)  IA    i      IB     i

Punnett square)      IA       i

                       IB    IBIA    IBi

                        i     IAi       ii

F1)  25% of the progeny is expected to be IAIB

     25% of the progeny is expected to be heter0zygus IAi

     25% of the progeny is expected to be heter0zygus IBi

     25% of the progeny is expected to be h0m0zyg0us recessive ii

25% of the progeny is expected to be blood type AB ⇒ IAIB

25% of the progeny is expected to be blood type A ⇒ IAi ⇒ Sisters and brother

25% of the progeny is expected to be blood type B ⇒ IBi

25% of the progeny is expected to be blood tye 0 ⇒ ii ⇒ Michelle

Option 3

Cross)   father x mother

Parentals)  IAi     x     ii

Gametes)  IA    i      i     i

Punnett square)      IA       i

                        i     IAi        ii

                        i     IAi        ii

F1)  50% of the progeny is expected to be heter0zygus IAi

     25% of the progeny is expected to be h0m0zyg0us recessive ii

50% of the progeny is expected to be blood type A ⇒  IAi ⇒ Sisters and brother

50% of the progeny is expected to be blood tye 0 ⇒ ii ⇒ Michelle

Despite the fact we can not determine for sure the mother's genotype, we know that she carries at least one recessive allele, which is why Michelle's blood type is 0.

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someone write me a little intro on water hyacinth please

Answers

Answer:

Hello! Today I will tell you somethings about water hyacinth, we will start with what does it do? Well,

Water hyacinth has a variety of negative impacts once introduced into a freshwater environment. it forms dense, impenetrable mats which clog waterways, making boating, fishing and almost all other water activities, impossible. It also reduces biodiversity by crowding out native plants at the water's surface and below.

Well that makes it seem bad is it?

(you will answer this on your own with other things you think someone would ask if you need more info just tell me, thanks!)

Explanation:

Which is a chemical property?


boiling

boiling

burning

burning

freezing

freezing

melting

Answers

Melting because it’s doing it by itself.

what three elements are found in chlorofluorocarbons

Answers

Answer:

Carbon, chlorine, and fluorine.

Explanation:

How does a person become immune against a disease?​

Answers

By isolating his or herself and taking the necessary vaccines that is been prescribed by either a verified doctor or pharmacist

9th Grade biology question Please help me

Answers

Answer:

a

Explanation:

Answer:

(A)

Explanation:

Simple osmotic pressure will make the water enter the red blood cell thereby making it first lose its biconcave shape, then swell up to a rounder spherical shape and then burst as Kevin Cooke and Andrew Lister have suggested. The process is called hemolysis.

Other Questions
Try to compare the landscape differences between the surface of the moon and the surface of the earth. What two things form ionic bonds (Line 170 or page 267) Buffalo says, "You'll get used to it soon enough..." What does hemean by "it"?a. deathb. getting shot atc. losing his mindd. marching long distances while being exhausted A year with 366 days is called a leap year. Leap years are necessary to keep the calendar synchronized with the sun because the earth revolves around the sun once every 365.25 days. Actually, the figure is not entirely precise, and for all dates after 1582 the Gregorian correction applies. Usually years that are divisible by 4 are leap years, for example 1996. However, years that are divisible by 100 (for example, 1900) are not leap years, but years that are divisible by 400 are leap years (for example, 2000). Write a program that asks the user for a year and computes whether the year is a leap year. Provide a class Year with a method isLeapYear. Use a single if statement and Boolean operators.I have two java files to work from below: Year.java and LeapYearTester.java. The LeapYearTester.java is not supposed to be altered. Any help on the problem would be appreciated. Thank you.Year.javapublic class Year{// declare your instance variables here// write your constructor herepublic Year(int y){// your code here}public boolean isLeapYear(){// your code here}}LeapYearTester.javaimport java.util.Scanner;public class LeapYearTester{public static void main(String[] args){Scanner input = new Scanner(System.in);System.out.println("Please enter a year");int year_input = input.nextInt();// now make a Year objectYear theYear = new Year(year_input);// now check to see if it's a leap yearif (theYear.isLeapYear())System.out.println("That's a leap year!");elseSystem.out.println("That's not a leap year!");}} .If the side of an equilateral triangle is 6cm, then the area of triangle is HELLP THIS IS EASY 8TH GRADE STUFF BUTscale the numerator and the denominator down by a factor of 5 (just divide) to write a fraction equivalent to 30/70. how do mass and distance affect the force of gravity? June 18,1864its 12:00Am currently,Sarah is in bed and my mother is in the guest room, she seemed a bit tired and ill, i hope that she is ok, i made her some tea and crumpets, Sarah tried to grab some off the table while they were cooling, she thought she was sneaky, but she had eaten all her dinner so i let her, for dinner i made some soup with carrots,broccoli,and potatoes.Sarah really liked it, im grateful the rich man brought us this food, he ate dinner with us and i have taken a bit of a liking to him,me and him are going to meet at the town festival tomorrow, ill be working as one of the maiden dancers but we will hopefully be able to talk,today i have to go buy some ink so i can continue to write in this little brown leather journal, there is so much happening in my life, and its all been amazing! Its as if Sarah is a good luck charm.I must finish writing since the candle is about to burn out very soon, mother told me i should take a break and stop working so hard, but if i dont work hard then Sarah cant have a good life, as her mother i must care for her and do whats best for her.-ElizabethJune 19,1864Sarah woke me up to go to the festival, yesterday once i had bought ink i forgot to start writing, i spent the day with Sarah and the rich man, Sarah seems to like the rich man and me and him will be leaving soon to the festival, i will write during my break, the rich man has left to go help set up all the tents and food, Sarah left to help also, my mother seemed to have fallen even more ill, i hope that she gets better soon.frederickson is coming over,mable, i mean mother, is joining us at the festival. Mr.Harrison is coming to the village to come and meet me,Sarah and mother!im super excited to meet him. Fredrickson proposed to me even though we just met i didnt know what to say so I acted like I didn't hear him i got so confused and wasnt ready for a new relationship, me and him had just met.i must get going to the festival now, i hope i dont see fredrickson there even though i wish to see him.-Elizabeth Please answer this please One train (22,680 kg) moving east at 170 km/h collides with a car (1,200 kg) that was moving north at 5 km/h. They get attached to each other, moving in the direction of the train. What is the final velocity of the objects and the type of collision? If the collision happened in 1.2X10-3 seconds, what was the force? How much kinetic energy was lost? how much kinetic energy is stored in a 1.5 kg object that is moved at 15 m per second PLEASE HELP WORTH 10 C. How long it takes for the elevator to reach the ground floor D. The change in the elevators height for every one additional second WHO Here likes country music. Find the value of arc s Jordan is especially interested in the concept of being presumed innocent until proven guilty. He is convinced that most jurors will form an initial opinion about whether or not the defendant is innocent or guilty from the first time they see the defendant. Jordan believes that initial impression can have a negative impact on the outcome of the case and plans to take that angle in the story he will be writing for the newspaper.To help Jordan determine if his theory is correct, youve decided to attend the trial with him and take on the role of a juror. You are determined to maintain an open mind and not form an initial impression of the defendants guilt or innocence.question:Describe at least three things you could do to uphold the presumption of innocence as a juror is supposed to do. 4 tick correct words in the brackets. b) i am................ person in my family. (old) Why do teachers need to use various teaching strategies? Describe an example of a muscle contraction in a lower appendage joint and identify the bones of origin and insertion involved. What rotation centered about the origin maps (4, 7) to (7, 4) ?90 counterclockwise180 counterclockwise270 counterclockwise We _________the answers by the time the teacher asked us. A. have found B. will have found C. had found D. were finding