The primary reason that osteoporosis accelerates after menopause in women is: * 2 points A. Increased osteoblast activity. B. Reduced levels of vitamin C. C. Diminished osteoclast activity. D. Reduced levels of circulating estrogens.

Answers

Answer 1

Answer:

The correct answer is D. Reduced levels of circulating estrogens.

Explanation:

Estrogens prevent the loss of calcium and ensure its proper mineralization, thus preventing the bones from becoming brittle, maintaining the consistency of the skeleton and preventing osteoporosis. Osteoporosis is a skeletal disease in which there is a decrease in bone mass density. Thus, the bones become more porous, the number and size of the cavities or cells that exist inside them increases, they are more fragile, they resist shocks worse and they break more easily. Menopause is the definitive cessation of ovarian function that, externally, results in the disappearance of the menses and usually occurs around 50 years (the interval goes from 45 to 55 years). It is the gradual loss of calcium in the bones, which accelerates in the first years of menopause due to estrogen deficiency. At the beginning of the disease, there are no symptoms and, as it progresses, there is a tendency to suffer fractures, which leads to a decrease in height.


Related Questions

Which Protects plant and animal cells from outside agents

Answers

A plasma membrane. The plasma membrane lets certain things into the cell that it needs, but keeps other things out.

I'm timed!
Which of the following is not considered a natural science?
A. chemistry B. psychology C. biology D. physics
Please select the best answer from the choices provided A B C D

Answers

I believe the answer would be Letter
B. Psychology

Answer:

B: Psychology

How does photosynthesis depend on chlorophyll?

Answers

Chlorophyll, the primary pigment used in photosynthesis, reflects green light and absorbs red and blue light most strongly. In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.

blood enters on the left side of the heart through the_____ and enters the left atrium. Then passes through the_____ to enter the left ventricle 

Answers

Blood enters on the left side of the heart through the pulmonary veins and enters the left atrium. Then passes to the mitral(bicuspid valve) to enter the left ventricle.

Blood is a fluid component of the circulatory system that is very vital for transporting oxygen and nutrients in the body system. It comprises cells suspended in plasma.

The correct answers for the blanks are:

Blank 1: Pulmonary veins

Blank 2: Bicuspid valve

The blanks can be explained as:

The left side of the heart has an atrium that gets the oxygenated blood from the lungs through the pulmonary veins.

Oxygenated blood from the left atrium flows to the left ventricle.

Blood from the left ventricle flows to the aorta that distributes the oxygenated blood to the body parts.

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Plz Help. Number 22.

Answers

Answer:

D, controlled by earths gravity

Explanation:

I think it’s d but I’m not sure

Asexual reproduction (Mitosis) involves only one parent. The offspring of this type of reproduction have?

Answers

Answer:

The offspring of Mitosis will be identical daughter cells because there is only one set of DNA they can get from the parent.

Explanation:

[GT.02H]One scientist kept a radioactive material in a container. After two half lives, the amount of radioactive material left in the container was 2 grams. What was the original mass of radioactive material in the container? (4 points)
3 grams
4 grams
6 grams
8 grams

Answers

Answer:

6 Grams

Explanation:

Answer:

I believe the answer is A. 3 grams

A clear sign that a subduction zone occurs in the ocean is the existence of a ______________________. *

Answers

Answer:

Where two tectonic plates converge, if one or both of the plates is oceanic lithosphere, a subduction zone will form. An oceanic plate will sink back into the mantle. Remember, oceanic plates are formed from mantle material at midocean ridges.

What are the definitions for gene pool and allele frequency?
A. the alleles for a species, the number of times a gene appears
B.the number of alleles: genes that appear in a population
C.all the alleles that appear in a population: the number of times the alleles appear
D.all the genes that are present in a population; the number of times an allele occurs in a gene pool​

Answers

Answer:

Allele frequency- the percentage with which a specific allele is found in a population. Gene Pool- the sum total of all alleles present in all populations of a particular species. ... evolution involved a change in allele frequency in a population's gene pool over a number of generations.

Explanation:

I hope this helps :)

A gene pool is defined as the number of alleles. and the allele frequency is defined as the  genes that appear in a population. Therefore, option B is correct.

What is gene pool ?

A gene pool is the collection of all the genes (including alleles) found in a population or species that is capable of reproduction. A big gene pool has a wide range of genetic diversity and is more resilient to environmental stresses.

A gene pool is the collection of all the genes, including all the various alleles, in any population that mates with other individuals from the same or different species. The percentage of an allele within a population is known as the allele frequency.

A population's gene pool will include a high number of genes with a wide range of frequencies. Gene frequencies are proportions of various alleles within a population, and in any given generation, these frequencies will rely on those of the previous generation.

Thus, option B is correct.

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The questions are on the picture

Answers

Answer:

okkk.....

I will definitely study about it and tell u

Which factor is the strongest internal influence on one’s feelings and behavior regarding drugs?
personal feelings

the behavior of friends


the behavior of admired celebrities


environmental and family stresses

Answers

Answer:

personal feelings

Explanation:

personal feelings

The factor is the strongest internal influence on one’s feelings and behavior regarding drugs is personal feelings.

What does it mean to be influenced internally?

Since they come from you, internal factors are ones that you can influence. Your thoughts and emotions affect internal factors. These might be advantageous or harmful. Positive thoughts will help you make decisions while negative ones will likely hinder you.

Internal factors include aspirations, preferences, moral standards, and perceptions of societal norms. Community members, family, cultural practices, friends, the media, and technology are examples of external influences.

Primary emotions are those that cannot be reduced to more fundamental feelings but can be combined to create other emotions. These include fear, wrath, humiliation, contempt, disgust, guilt, discomfort, interest, surprise, and joy.

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Which statement BEST explains the role of DNA in the growth and specialization of an organisms?

Question 2 options:

A.DNA stores genetic information


B.DNA directly controls your body.


C.DNA controls which proteins are produced in each cell for different functions.


D.DNA creates all the same proteins in each cell of the organism's body.

Answers

C.DNA controls which proteins are produced in each cell for different functions.

different genes can be activated or inactivated that's why even though the cells that line your stomach contain the gene for ACTH synthesis they don't synthesize it

basic unit of a cell membrane

Answers

phospholipids
The cell membrane is not a solid structure. It is made of millions of smaller molecules that create a flexible and porous container. Proteins and phospholipids make up most of the membrane structure. The phospholipids make the basic bag.

i’m confused is it a, b, c, or d

Answers

Answer: I think C, but I could be wrong...

HELP PLZ ! Which nitrogen base sequence is the partner of T-C-A-G-C-A?

A-C-G-A-C-T
C-A-G-A-T-G
A-G-T-C-G-T
T-C-A-G-C-A

Answers

Answer:

A-G-T-C-G-T

Explanation:

Please mark brainliest :)

Answer:

A-G-T-C-G-T

Explanation:

Please help i have no idea.

Answers

the answer is D, ADP gains a phosphate and that is used to convert to ATP with a product of ATP and water

Select all the correct answers.
Alfred has a golden retriever named Max. Max can recognize people from their smell. Max starts to bark and wag his tail when Alfred reaches the gate of his house, even though Max is 50 yards away in his kennel. What are the reasons for Max’s ability to smell so well?
Dogs have more olfactory receptors in their noses, allowing them to identify people by their smell.
Dogs have highly sensitive olfactory receptors, allowing them to distinguish a person’s unique odor.
Dogs have better eyesight than humans, allowing them to see faraway objects.
Dogs have an extended nervous system, allowing them to detect even the slightest movement in humans.
Dogs have connected optic and olfactory systems, allowing them such precision in smell.

Answers

Answer:

A and B.

Explanation:

Answer:

A and B

I hope this helps

A structure within a cell that performs a specific function is a(n)
A. organelle
B. organ
C. endoplasmic reticulum
D. flagella​

Answers

Answer:

A structure within a cell that performs a specific function is an organelle.

Explanation:

An organelle is a structure inside the cell that preforms functions that are necessary for the cell.

Examples of organelles are the ER, the Golgi Apparatus, and the Mitochondria.

Hope this helps.

A structure within a cell that performs a specific function is an organelle. An organelle is a subcomponent of a cell.

What are cell organelles?

Cell organelles are the ultrastructure's present in the cell and they show division of labor.

These organelles perform specific function for the cell and thus constitute the framework of all living organisms.

The basic structure of cell contains a plasma membrane, nucleus and cytoplasm. However, ultra-microscopic structures are embedded in the cell cytoplasm and they are designated as organelles in a cell.

Endoplasmic reticulum, Golgi apparatus, mitochondria, ribosomes, microtubules, lysosomes etc. are the specialized organelles present in cell.

Each of these organelles perform specific function. For instance, mitochondria help in energy production, Golgi helps in protein modification and packaging.

Cell organelles are thus important structural and functional elements of a cell.

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What occurs after cytokinesis is completed?
O The cell begins to replicate its DNA
OThe cell organizes its microtubules
O The cell enters G1
O The cell enters G2
??

Answers

After cytokinesis is completed, the cell enters into G1 Phase.

Answer #12 Plz 10 pts

Answers

Answer:

3rd one

Explanation:

Cell > Tissue > Stomach > digestive system!

Cell organelles have different functions that help maintain homeostasis within the
cell. The processes of photosynthesis and cellular respiration depend on these
organelles working properly. Identify the letter of the organelle whose function is to
store water and dissolved salts?

Answers

i’m pretty sure D is the nucleus/what’s in it so hope that helps you at least a little bit

The function of the vacuole is to maintain the turgid pressure that is to maintain the cell turgidity. It stores water along with the dissolved salts in it. The answer is option B.

What are the other parts that are present in the structure of vacuole ?

There are various enzymes that are present in the vacuoles and it is just like the pool of the plant cell which stores the various enzymes along with the water molecules and the dissolved salts.

With its roles that perform or help  in the  plant cell function that are  the central vacuole which stores salts, minerals as well as  nutrients,  along with proteins and  pigments that  helps in the  plant growth and plays important structural  kind of role for plant. The  organelle that is the central vacuole of plant cells that  helps it to just  maintain the volume along with the structure.

Vacuoles store the  materials like water along with  salts and  proteins as well as the carbohydrates.  Most of the plant cells that are  having  a single or the large central vacuole. The function of them is that they just store  the salts with the  sugars with  few type of  proteins  and even  the plant colors. They are even working as the  storage bags for cell.

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Which of the following is the main cause of earthquakes?

Answers

Answer:

Its plates shifting , making the ground ``shiver``

Explanation:

The photo is above, please answer thank you!

Answers

Genotype:BB

Ratio:2/4

Percent:50%

Phenotype:black fur

Genotype:Bb

Ratio:2/4

Percent:50%

Phenotype:black fur

can y'all answer option 1 plz

Answers

Woke up one day with my head full of motivations and goals for the day. I started of by waking early in the morning to see my family start to gather resources to build and burn woods. I helped my father collect wood logs, went with my brother to feed animals and lastly played with my siblings. My mother told me “Family is always a priority!” And i understand that virtue now because my family means a lot to me and without them i wouldn’t be here

1. Which is the correct order of the stages of the cell cycle? *

Cytokinesis, Mitosis, Interphase.

Cytokinesis, Interphase, Mitosis

Mitosis, Cytokinesis, Interphase

Interphase, Mitosis, Cytokinesis

Answers

Answer:

my best guess would be

Interphase, Mitosis, Cytokinesis

Explanation:

Interphase - stage where the cell prepares for Mitosis. During this stage the cell grows and replicates DNA.

Mitosis - part where the chromosomes are separated and are separated into 2 nuclei.

Cytokinesis - part where cells officially splits into two daughter cells.

Cell cycles are events that involve various series of steps for the cell to grow. It follows the order of interphase, mitosis, and cytokinesis. Thus, option D is correct.

What is the cell cycle?

The cell cycle is an important part of the growth and cell division of the eukaryotic cell. It includes interphase comprising the G₁, S (synthesis/replication), and G₂ phase, mitotic phase, followed by cytokinesis and G₀ phase.

The cell spends the majority of its time in interphase where the genetic material undergoes preparations and gets duplicated for the further process. In mitotic division the actual division of the organelles and the nucleic acid takes place.

Mitosis is followed by cytokinesis where the cytoplasm of the cell gets separated to form two daughter cells after the telophase stage. The cell then undergoes the G₀ phase which is the quiescent stage of the cell division where no cell division occurs.

Therefore, option D. interphase, mitosis, and cytokinesis are the correct order of the cell cycle.

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If a cell has 2% sugar inside of the cell, and is placed into a solution with 12% sugar, in which direction will the water mostly travel?​

Answers

Answer:

outside of the cell do to the concentration gradient

Explanation:

In shorthorn cattle, when a red bull (RR) is crossed with a white cow (WW), all the offspring are roan—a spotted, red and white color. What offspring are expected from mating a roan bull and a roan cow?

Answers

Answer:

25% red

50% roan

25% white

Explanation:

When RR (red) is crossed with WW (white), it results in roan color.

       RR (red)   x    WW (white)

              RW (roan)

Two roan individuals are then mated.

          RW    x    RW

       RR    RW    RW    WW

Offspring

1/4 RR - Red

1/2 RW - Roan

1/4 WW - White

Hence, the offspring are expected to be 25% red, 50% roan, and 25% white.

Answer this question please!!

Answers

nerve cell because neurons/nerve cells carries the nerve impulseso

Osmosis does not require an additional input of energy from the cell.
Osmosis is considered to be a type of
active transport
endocytosis
passive transport
exocytosis

Answers

Answer:

Osmosis is considered to be a type of

active transport.

Explanation:

Answer:

passive transport

Explanation:

Osmosis is the process in which water molecules move from a region of higher water potential to a region of lower potential down a water potential gradient across a partially permeable membrane, so little energy is required to carry out this process, thus it is a form or passive transport.

Ethylene oxide is a highly flammable gas used to sterilize medical equipment. To prevent a fire hazard, ethylene oxide
should only be used in an area
O with open windows and doorways.
with non-flammable equipment only
O without fire extinguishers.
O without sparks or flames.

Answers

Answer:

without sparks or flames.

~+ lil more info +~

Ethylene oxide is a highly flammable gas used to sterilize medical equipment. To prevent a fire hazard, ethylene oxide should only be used in an area: without sparks or flames. ... To prevent a fire hazard, ethylene oxide should only be used in an area: without sparks or flames.

To prevent a fire hazard, ethylene oxide should only be used in an area without sparks or flames. Thus, the correct option for this question is D.

What is ethylene oxide?

Ethylene oxide may be defined as a type of highly flammable gas that is significantly utilized in order to sterilize medical equipment. It is a colorless gas with a sweet odor.

It is used primarily to produce other chemicals, including antifreeze. In smaller amounts, ethylene oxide is used as a pesticide and a sterilizing agent.

As this ethylene oxide is a highly flammable gas one must be required to keep this in a place or an area that is free from sparks or any other kinds of flames.

Therefore, to prevent a fire hazard, ethylene oxide should only be used in an area without sparks or flames. Thus, the correct option for this question is D.

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