A woman in her 20s has experienced a miscarriage at 10 weeks' gestation and asks the nurse at the hospital what went wrong. she is concerned that she did something that caused her to lose her baby. the nurse can reassure the woman by explaining that the most common cause of spontaneous miscarriage in the first trimester is related to which factor?

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Answer 1
Spontaneous miscarriage in the first trimester is related to Chromosomal defects in the fetus. An estimated 15 to 20 percent of known pregnancies end in miscarriage, the loss of a pregnancy before the 20th week. Upto 70 percent of first-trimester miscarriages, and 20 percent of second-trimester miscarriages, are caused by chromosomal anomalies/abnormalities in the fertilized egg. Most often, it means that the egg or sperm had wrong number of chromosomes, and consequently the fertilized egg can't develop normally. 

Related Questions

A condition of stones in the common bile duct is called

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gallstones...................

The ability to change the position of your body quickly and control your body's movement is called:

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Agility - the ability to change the position of the body quickly and with control. This helps team players dodge their opponents. Balance - the ability to retain the centre of mass above the base of support when stationary (static balance) or moving (dynamic balance). 

The ability to change the position of your body quickly and control your body's movement is called agility.

What are the advantages of agility?

The advantages of agility are as follows:

It significantly enhances your coordination and body balance.It improves movement skills along with awareness of the body.It increased cognitive function and flexibility.It remarkably prevents injury and improves recovery time. It helps the body to maintain proper alignment and posture.

The process of agility is achieved by numerous activities which facilitate the skills of athleticism. This ability of the body significantly augers and encourages the body in order to learn the overall process of maintaining the accurate placement of the body.

Therefore, agility is the ability to change the position of your body quickly and control your body's movement.

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Please help! I'll give you a medal! Sorry it might be a lot!

What color do you want your insects to be? ______________________________________


A. How would you describe the process of artificial selection? ____________________

___________________________________________________________________

___________________________________________________________________

B. How will mutations be useful in achieving your goal color? _____________________
___________________________________________________________________
______________________________________________,

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1. Green, because it serves as a perfect camouflage against prey in vegetations.

2. It is a process whereby a breeder of animals or plant cultivator, chooses to breed between different species for their characteristics that are inheritable.

3. Mutations is an evolutionary process that helps a specie better adapt to their environment. DNA changes causes by mutation can help lighten or darken colour pigment. Like in the dark-coated mouse, where 9 changes to the DNA coding for color makes its fur lighter for better camouflaging.

Which factor most affects the order of amino acids in a protein?

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The DNA in the nucleus of the cell affects the order of amino acids in a growing polypeptide chain. The DNA contains the genetic material wherein it is transcribe to messenger RNA so that the genetic code can be transported outside the nucleus to be translated. The order of nucleotides in the mRNA in triads called codons indicates the order of amino acids being translated as codons correspond to specific amino acids.
The correct answer is the arrangement of codon sequences on the DNA in the nucleus. Genes are composed of codon sequences, which are the three nucleotide sequences that code for an amino acid. These codons code for specific amino acids, therefore during the translation process in the ribosomes they determine the amino acid sequence in a a particular polypeptide as read by the anticodons in the transfer RNA.

List and describe the role of the 3 types of rna.

Answers

There are three RNAs with a role in the synthesis of protein.

mRNA, or messenger RNA, is the link between a gene and a protein. The main role of this ribonucleic acid is in transcription (”reading“) of DNA. The DNA is transcribed by RNA polymerase, and the resulting product of this process is mRNA. This form of RNA can be modified post-transcriptionally with methylguanosine caps and polyadenosine tails. RNA carries the genetic information which is copied from DNA and the information has a form of three-base code (“words”), codons. Each of these codons specifies a particular amino acid.

tRNA or transfer RNA is the molecule with the main function in translation by "decoding" the mRNA message during this process. Each type of amino acid has its own type of tRNA and also has a three-base sequence (anticodon) that can bind complementary with the codons in the mRNA.

rRNA or ribosomal RNA is a main component of ribosomes. rRNA associates with a set of proteins to form ribosomes which catalyze the assembly of amino acids into polypeptide chains (protein).

 

There are also a few more types of RNA which have a regulatory function like, microRNA or siRNA.

Dna methylation promotes what other chemical alteration of chromatin to suppress gene expression? histone deacetylation histone phosphorylation histone ubiquitylation dna phosphorylation dna ubiquitylation

Answers

The correct answer is histone deacetylation.  
The DNA methyltransferase and proteins that bind to methylated DNA are associated with histone deacetylase. Those proteins form complexes with the proteins involved in deacetylation of histones and therefore, when DNA is methylated, nearby histones are deacetylated, which results in repression of transcription. 

A peculiar sensory sensation often preceding the onset of a seizure is called:

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A  peculiar  sensory  sensation  often  preceding  the  a  set  of  a seizure  called   Aura

   A
ura  is   perceptual  disturbance   experienced  by some   with  migraines  or   seizures  before  either  the  headache   or  seizure  begin.  It  is  often  manifests   as   the  perception   of  a   straight  light,  an  unpleasant   smell  or  confusion   thought.some  people  experience  aura  without   subsequent seizure

The major effect of genetic drift is..
A) a reduction in genetic variability.
B) an increase in genetic variation to accommodate changes in abiotic conditions.
C) no change in population size but an increase in favorable alleles.
D) a reduction in population size and an increase in genetic variability.

Answers

Genetic drift results in a reduction in genetic variability. Depending on the situation, there may be a reduction or increase in the population. So, the answer is A.

Repair of damaged neurons can be assisted by certain neurotrophic factors secreted by the

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Repair of damaged neurons can be assisted by certain neurotrophic factors secreted by the Schwann cells.

Hope this helps!

-Payshence xoxo
 

A 1-year-old infant is pale, but the physical examination is normal. blood studies reveal the infant's hematocrit is 24%. which question by the nurse to the parents would be most useful in helping to establish a diagnosis of anemia?

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Answer:

1. " What's the infant usually daily diet?"

2. " Is the infant on any medication?"

3. " What's the pattern and appearance of bowel movement?"

4. " Did the infant receive phototherapy for Jaundice?"



Hope it helps.

What were the conditions like on early Earth? (Be specific)

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- For decades, scientists believed that the atmosphere of early Earth was highly reduced, meaning that oxygen was greatly limited.
- Such oxygen-poor conditions would have resulted in an atmosphere filled with noxious methane, carbon monoxide, hydrogen sulfide, and ammonia.
- The dense early atmosphere, dominated by the "greenhouse gases" carbon dioxide and water vapor, trapped the radiation of the early Sun, while the solid crust radiated volcanic heat from the interior.

On early Earth, conditions were harsh with extreme heat, lack of oxygen, strong radiation, and significant geological upheaval and volcanic activity. The atmosphere was anoxic and filled with reduced inorganic chemicals, quite different from today's environment. The earliest life forms, prokaryotes, were adapted to these extreme conditions.

Conditions on Early Earth

The conditions on early Earth were very different from what they are today. The atmosphere was anoxic, meaning it lacked oxygen, and primarily composed of reduced inorganic chemicals. This reflects a stark contrast to the oxygen-rich atmosphere we have now. It is believed that early cells that formed on Earth were adapted to survive in these harsh conditions. These conditions include extreme heat, the absence of oxygen, and exposure to strong radiation.

Additionally, the geological landscape of early Earth was characterized by tumultuous geologic upheaval and frequent volcanic activity, which would later play a crucial role in the development of the planet's surface and atmosphere. The early atmosphere, largely made up of gases like methane, ammonia, and water vapor, differed vastly from today's nitrogen and oxygen-rich atmosphere.

The first organisms, known as prokaryotes, appeared during this tumultuous time and were well-suited to the high-temperature environments possibly around hydrothermal vents and protected from strong radiation beneath the ocean depths or Earth's surface. Evolution eventually led to microbial mats, which are considered to be some of the earliest forms of life, dating back to about 3.5 billion years ago.

What detail is left unresolved at the end of the selection? the porter?

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The final destination for jimmy and his father

Applying how are photosynthesis and cellular respiration related?

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the reactants of photosynthesis and products of cellular respiration are the same

The study of the distribution of plants and animals throughout the world is called:

a. biochemistry

b. biogeography

c. evolutionary development

d. paleobiology,

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Biogeography is the study of the distribution of animals and plants throughout the different places in the world. This study focuses on the communities of organism in the different areas of the Earth and how they are distributed to these areas. The purpose of this study is to explain the process and mechanism of the distribution of the different species in the world.

The study of the distribution of plants and animals throughout the world is called biogeography.

Most bryophytes, such as mosses, differ from all other plants in that they _____. see concept 29.3 (page 626)

Answers

Most  bryophytes    such  as  mosses,  differ   from  all  other  plants  in   that   they  lack   true leaves  and  roots.
   All  bryophytes  are    very  small  and  commonly  grow  in   moist  shaded  areas  in  the  hills.   They  complete  their   vegetative  phase  on  land   but  water  is  necessary  for  their  sexual   reproduction.  In  addition  bryophyte  are  non  vascular  plant   and  they  lack  cuticle   and  stomata.    

BRAINLIESTTT ASAP!!!

How do you recognize substances that have gone through physical or chemical changes?

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chemical change produces a new substance, while a physical change does not. A material may change shapes or forms while undergoing a physical change, but no chemical reactions occur and no new compounds are produced.

Examples of Chemical Changes


Burning wood
Souring milk
Mixing acid and base
Digesting food
A chemical change turns a substance into something it was not before. Clues like light, heat, color change or the smell tell us if something has changed. The starting and ending process of the reaction is totally different. 

It produces a new substance. Example -  mixing HCl and NaOH to make salt and water. Another example is - when an ice cube melts to form water. In short, the only difference is its form. 

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Organelles have their own genomes. when chloroplast dna is sequenced and compared to genomes from members of the cyanobacteria, the sequence is nested within cyanobacteria. this is strong evidence for the hypothesis that:

Answers

This is strong evidence for the hypothesis that the chroloplast originated ais a symbiotic cyanobacteriam that became permanentely  incorporated into its host.the complete genome sequence of cyanobacteria and of the higher plant arabidopsis thaliana leave no doubt tha chroloplast originated through endosymbiosis from a cyanobacteriam
Organelles have their own genomes. when chloroplast DNA is sequenced and compared to genomes from members of the cyanobacteria, the sequence is nested within cyanobacteria. this is strong evidence for the hypothesis that: 

The chloroplast originated as a symbiotic cyanobacterium that became permanently incorporated into its host.

Antibodies to common microorganisms have been developed by
a. infancy
b. adolescence
c. childhood

can someone help me find the answer and understand.

Answers

Antibodies to common microorganisms have been developed by infancy. Since infants are usually born with immature immune systems, their body actively produces antibodies that would help them prevent diseases and sickness. Infancy is the most vulnerable stage of an organism. Antibodies serve as protection for these infants bodies. 

Two species of beetles are both herbivores on the same host plant, and the presence of either beetle species reduces the population growth of the other. the relationship between these beetles is best described as

Answers

relationship between these beetles is best described as competition

which situation is associated with shear?
A. new rock formations
B. convergent boundaries
C. frequent shallow earthquakes
D. volcanic mountain ranges

Answers

Frequent shallow earthquakes are associated with shear.

Answer:


Frequent shallow earthquakes


Explanation:


Shear is the response of a rock to deformation usually by compressive stress and forms particular textures.


During an earthquake when the earth shakes it produces a super shear earthquake in which the propagation of the rupture along the fault surface occurs at speeds in excess of the seismic shear wave (S-wave) velocity.


The mechanisms of shearing depend on the pressure and temperature of the rock and on the rate of shear which the rock is subjected to.

What are three types of environments in which archaebacteria are found?

Answers

.Oxygen free environments
.Concentrated salt water and hot
. Acidic water of sulfur springs
Final answer:

Archaebacteria are found in extreme environments characterized by high salinity, temperature, and pressure, such as the Dead Sea, hot springs, and deep-sea vents. They are extremophiles that may have evolved very early in Earth's history and are important to Earth's carbon and nitrogen cycles.

Explanation:

Types of Environments for Archaebacteria

Archaebacteria, also known as Archaea, are typically found in extreme environments characterized by conditions that are often inhospitable to most life forms. These microorganisms are extremophiles, thriving in areas with high levels of salinity, temperature, and pressure. Three common types of environments where archaebacteria are found include:

High-salt environments: Archaebacteria such as halophiles love very salty conditions, like those in the Great Salt Lake or the Dead Sea.High-temperature environments: Some Archaea are found in hot springs, like the Morning Glory pool in Yellowstone National Park, where they create vibrant colors due to microbial communities.Deep-sea environments: Other Archaea reside around deep sea vents, enduring immense pressure and darkness.

These organisms not only exemplify the adaptability of life but also hint at the primordial conditions of ancient Earth, suggesting that Archaea may have been among the earliest life forms to emerge on our planet. In addition to extreme habitats, Archaea are now known to inhabit more common environments such as soil and oceanic plankton, playing a crucial role in environmental processes like the carbon and nitrogen cycles.

What is the significance of mendel's experiments to the study of genetics?

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Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.

The significance of Mendel's experiments in the study of genetics is Mendel's revelation significantly increased our understanding of how genes are passed down and inspired the creation of novel experimental techniques.

Who was Gregor Mendel?

Gregor Mendel uncovered the basic principles of inheritance through his study on pea plants. He concluded that genes are inherited from each parent as separate, paired units.

Mendel observed how parental genes separated and if they showed up as dominant or recessive qualities in the children. Mendel created three laws of inheritance that characterized the transmission of genetic features through pea plant breeding before anybody knew genes even existed.

Mendel's revelation significantly increased our understanding of how genes are passed down and inspired the creation of novel experimental techniques.

Therefore, Mendel's discovery greatly expanded our understanding of how genes are handed down and encouraged the development of novel experimental procedures, which is the relevance of Mendel's experiments in the study of genetics.

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The client with major depression and suicidal ideation has been taking bupropion 100 mg po 3 times daily for 5 days. assessment reveals the client to be somewhat less withdrawn, able to perform activities of daily living with minimal assistance, and eating 50% of each meal. at this time, the nurse should monitor the client specifically for which behavior?

Answers

Suicide - indicated sometimes by positive change in mood and motivation

Which type of rna brings the information in the genetic code from the nucleus to the ribosomes of the cell? *?

Answers

Hi!

The answer is mRNA.

Hope this helps!

-Payshence xoxo

why does the warm air rise up and over the cold air at a cold front

Answers

I think it is because the cold air is more dense than the hot air so the less dense air which is the warm air rises

In cells, the production of proteins is handled by the ribosomes and endoplasmic reticulum, while the processing and packaging of proteins is handled by the _________ body.a)golgib)nuclearc)plastidd)cytoplasmic

Answers

Processing and packaging of proteins are handled by the Golgi apparatus.
Golgi is an organelle in the cytoplasm and it is a part of the endomembrane system. Functions of Golgi apparatus are transporting, modifying, and packaging proteins into vesicles for delivery to targeted destinations.

According to most scientists, what may be the result of the emission of the greenhouse gases carbon dioxide and methane into earth's atmosphere?

Answers

Global climate change
dangerous smog assuming its coming from fossil fuels

Why does DNA need to be copied into mRNA?

Answers

mRNA will serve as reference book that contains information as the DNA and its sequence is complementary to the DNA template.

The transfer of information in a DNA strand to a new molecule of messenger RNA is known as transcription. Thus, the process of transcription is carried out by an enzyme called RNA polymerase and a number of accessory proteins called transcription factors. However, DNA is copied into mRNA because mRNA will serve as reference book that contains information as the DNA and its sequence is complementary to the DNA template.

Cells produce a variety of carbohydrates, including starch, glycogen and cellulose. The monomers of these large compounds are monosaccharides, such as the glucose molecule seen here. Cells assemble carbohydrates through dehydration synthesis, which means a(n) _____________ molecule is removed when the monomers are bonded together.
A) water
B) sugar
C) oxygen
D) carbon dioxide

Answers

When monosaccharides are joined to form disaccharides or carbohydrates, a water molecule is removed. This is called dehydration synthesis.

Cells assemble carbohydrates such as starch, glycogen, and cellulose through dehydration synthesis, in this reaction a molecule of water is removed when the monomers are bonded together. Thus, the correct option is A.

What is dehydration reaction?

Dehydration reaction or dehydration synthesis is the process in which the monomer units such as glucose molecules join together by forming glycosidic bonds to form the complex carbohydrates such as starch, glycogen, and cellulose.

The dehydration synthesis results into binding of the monomer units to synthesize a complex carbohydrate with the loss of a water molecule. Therefore, known as the dehydration synthesis. The synthesized carbohydrates can be reducing or non-reducing depending upon the proton and hydroxyl group present on the sugar.

Therefore, the correct option is A.

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Why does the thermosphere have the highest temperature of all the atmosphere layers?

Answers

Its because the atoms in that layer have the highest amounts of energy due to the interaction with solar radiation. It has the highest temperature, but don't confuse that with heat. The temperature is high, but since it is so thin there is little heat.

Answer:

the suns radiation strikes it first

Explanation:

~apex

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