Women who take folic acid pills during pregnancy have about ____ the probability of having a child with autism as compared to other women.​

Answers

Answer 1
Women who take folic acid pills during pregnancy have about half the probability of having a child with autism as compared to other women. Autism is a range of conditions that are characterized by challenges with social skills, repetitive behaviors, speech and non verbal communications, as well as by unique strengths and differences. Folic acid is very important as it helps the body make healthy new cells.

Related Questions

What features show that homo erectus walked just like a modern human?

Answers

Answer: Double arches and adducted big toe.

Homo erectus had body proportions, a pelvic structure, arched feet, and leg musculature similar to modern humans, indicating they were well-adapted for bipedal walking. These features suggest that Homo erectus walked just like modern humans.

Features Indicating Homo Erectus Walked Like Modern Humans

Homo erectus showed several physical traits that suggest it walked just like modern humans:

Body Proportions: Homo erectus had body size and proportions similar to modern humans, with long legs and shorter arms, unlike earlier species like Homo habilis.Pelvis Structure: They had a broader pelvis, which is adapted for bipedal locomotion.Arched Feet: Their feet were arched, allowing for better balance and movement efficiency, akin to modern humans.Leg Musculature: Their long, powerfully muscled legs were suited for long-distance running and walking.Efficient Sweating: They likely had efficient sweating mechanisms and reduced body hair, adaptations that support an active lifestyle and prolonged physical activity.

These features collectively indicate that Homo erectus was well-adapted for efficient bipedal movement, similar to modern humans.

Which occurs during exhalation?
A. Lung volume decrease
B. Air rushes into the lungs
C. The rid cage expands
D. The diaphragm contracts

Answers

A.the lung volume decreases
I believe it is A lung volume decreases

The likely ancestors of tarsiers, monkeys, apes and humans are the:

Answers

The likely ancestors of tarsiers, monkeys, apes and humans are the omomyidae. 
Omomyidae is a family of early primates that radiated during the Eocene epoch between about 55 to 34 million years ago. They had the following characteristics: large orbits (eye sockets), shortened rostraand dental arcades, loss of anterior premolars, cheek teeth adapted for insectivorous or frugivorous diets, and relatively small body mass.

The likely ancestors of tarsiers, monkeys, apes, and humans are the omomyoids, which lived during the Eocene Epoch. Therefore, the correct option is: 4. omomyoids.

The likely ancestors of tarsiers, monkeys, apes, and humans are the omomyoids. These ancestral primates lived during the Eocene Epoch (about 56 to 34 million years ago) and are often considered a significant group in the evolutionary tree that led to modern elevated primates (anthropoids).

Omomyoids were small, nocturnal, arboreal creatures that exhibited many traits seen in the modern primates. These include grasping hands and feet, as well as forward-facing eyes that provide stereoscopic vision—traits beneficial for a life spent in the trees.

Key Characteristics of Omomyoids:

Small body sizeAdaptations for an arboreal lifestyleNocturnal habitsLarge eyes for enhanced night vision

Understanding these characteristics helps us appreciate the evolutionary steps leading from early primates to contemporary species, including humans.

Manuela joined a group exercise class. her instructor, who was formerly inactive and overweight, participates with the class and also shares personal fitness strategies. in class, manuela tries to emulate her instructor's moves, and she has also become more physically active as part of her daily routine. which technique is manuela using to reach her goal of becoming more fit

Answers

Modeling

Modeling is a method in which an individual learns new skills by imitating another person, such as a parent or an instructor who performs the behavior to be acquired. For the question given above, Manuela is using the modeling technique to reach her goal of becoming more fit.






Organisms that are photosynthetic are classified as A) animals. B) bacteria. C) fungi. D) plants.

Answers

Answer:

Its D

Explanation:

Answer: plants!!

Explanation:

Describe three abiotic factors that influence this ecosystem

Answers

-Temperature
-sunlight
-water

Gerd damages what part of the gastrointestinal tract?

Answers

GERD damages the esophagus

N ________ a single sperm cell from the man is injected using a microscopic needle, directly into each harvested egg from the woman. the resulting zygote is then transferred after a few days into the woman's uterus.

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Microinjection is a simple mechanical process usually involving an inverted microscope with a magnification power of around 200x (though sometimes it is performed using a dissecting stereo microscope at 40–50x or a traditional compound upright microscope at similar power to an inverted model).

The following data table summarizes the number of differences in amino acid sequences found for four different species. Amino Acid Dissimilarities for Beta Hemoglobin Protein A B C D A 8 3 5 B 0 1 C 5 D Based on the data table, which two species are most closely related? A. species A and species B B. species B and species D C. species B and species C D. species C and species D

Answers

The correct answer is species B and C.

As you can see in the diagram presented below, all of the other species have a number of differences between their amino-acid sequences, but in the case of species B and C there are no differences. This implies a close evolutionary relationship between the two species.

Answer:

Species B and C

Explanation:

Just had it on Study Island :)

Explain the significance of snyder agar medium and its differential nature as a means to detect dental caries

Answers

Snyder agar medium has bromocresol green, a color indicator that will have a different color in acid pH. If there are any bacteria that could ferment the glucose like lactobacilli, the pH of the agar will become acid. Acid pH will cause the agar color change from green to yellow.

Snyder agar medium is used to detect dental caries by monitoring acid production from sugar fermentation by bacteria like Streptococcus mutans. Its differential nature lies in the color change, from green to yellow, indicating acid production and the presence of cariogenic bacteria. This helps in identifying bacterial activity associated with dental caries.

The Snyder agar medium is used in microbiology to detect and quantify dental caries by monitoring acid production from sugar fermentation by specific bacteria. This medium is designed to identify Streptococcus mutans and other acidogenic bacteria, which are primary culprits in the formation of dental caries. The Snyder agar contains glucose and a pH indicator bromcresol green, which changes color from green to yellow as the pH drops due to acid production.

Differential Nature of Snyder Agar:

The differential nature of Snyder agar lies in its ability to change color in response to the acidity produced by bacterial fermentation. When acid-producing bacteria like S. mutans ferment the glucose present in the medium, the resulting acid decreases the pH. This pH drop leads to a color change from green to yellow, indicating the presence and activity of cariogenic bacteria. This characteristic enables researchers and clinicians to differentiate between bacteria that can produce acid and those that cannot, providing an effective means to detect dental caries.

Key Points:

Streptococcus mutans is a primary bacterium detected using Snyder agar.Snyder agar contains glucose and bromcresol green as a pH indicator.The medium changes color from green to yellow in response to acid production by fermenting bacteria.

Hurricanes generally are ________.
a.larger than tornadoes
b.smaller than mid-latitude cyclones
c.areas of heavy rainfall and strong winds
d.all of these

Answers

C. areas of heavy rainfall and strong winds
im 99% sure that the answer is D. all of the above

A blockage in a blood vessel leading to the brain may cause an area of the brain to stop working and die. Which term is used to describe this condition?

Answers

I believe the condition you are looking for is a stroke. 

Answer: Stroke

Explanation: USATestPrep states “Lack of blood pressure to the brain may cause an area of the brain to stop working and die, this is called a stroke. This causes a lack fo oxygen to a particular area of the brain” (Not my words, its UsATestPrep’s!!)

Which structure contains the capillaries responsible for filtering blood into the nephron?
a. proximal convoluted tubule
b. bowman's capsule
c. loop of henle
d. nephron?

Answers

Answer: b. bowman's capsule 

Filtering is the first step in kidney function. All of the blood component that less than a certain size will be filtered. Filtering is happened in the glomerulus where the blood vessel is convoluted, makes the surface area is higher. The filtered fluid is contained at the Bowman's capsule, then going to the proximal convoluted tubule, then loop of henle 

Jamie eats 240 gm of carbohydrate, 220 gm from fat, and 132 gm of protein each day. what is jamie's daily caloric intake

Answers

Jamie's daily caloric intake is 592 gm.

Answer: To determine the caloric intake,

240 grams of carbohydrate is equivalent to 240*4 calories per gram of carbohydrate=960 calories from carbohydrate

132 grams of protein is equivalent to 132*4 calories per gram of protein=528 calories

220 grams of fat is equivalent to 220*9 calories per gram of fat= 1980 calories

Therefore, the total calorie intake is (1980+528+960) calorie=3468 calorie is consumed by Jamie daily.

[tex] 240 grams of carbohydrate is equivalent to = 240*4 calories per gram of carbohydrate=960 calories from carbohydrate

132 grams of protein is equivalent to 132*4 calories per gram of protein=528 calories

220 grams of fat is equivalent to 220*9 calories per gram of fat= 1980 calories

(1980+528+960) calorie=3468 calorie [/tex]

_____ form when muscle cells convert lactic acid to lactate.

Answers

For the answer to the question above, "hydrogen ions" form when muscle cells convert lactic acid to lactate.
this is the reason why we feel fatigue when exercising it is that we accumulate a compound called lactic acid. I hope this helps

the part of the stomach that lies above the esophagus is the:the part of the stomach that lies above the esophagus is the:

Answers

The correct answer is the fundus.

The stomach is divided into parts of which the fundus is the second; it stores all the undigested food and the gases that are released from the chemical breakdown of the food we eat.

Paulo, age 62, has developed heart disease from a lifetime of smoking cigarettes. his heart disease is an example of _____. primary aging compressed morbidity normal senescence secondary aging

Answers

Answer:

The given blank can be filled secondary aging.

Explanation:

Primary aging refers to the slow and somewhat inevitable procedure of deterioration of the body that occurs throughout the life, that is, the gathering of biochemical destruction, which results in fading vision, slowed movements, reduced tendency to amend with stress, impaired hearing, and others.  

While the processes of secondary aging take place due to poor health practices, and diseases associated with smoking, lack of exercise, accumulation of fats, and others. These things are generally preventable, whether with the help of modern medicine or doing certain lifestyle changes. Thus, the mentioned case is an illustration of secondary aging.  

which biomolecule builds bone and muscle

Answers

The answer is protein.

How have humans increased their biotic potential and carrying capacity?

Answers

they have increased it with new medicine and research

Which endocrine which endocrine gland is also part of the digestive system?

Answers

the answer to this question is the pancreas

Which is a function of the collecting ducts? which is a function of the collecting ducts? absorb electrolytes actively and water by osmosis in the same segments form a large volume of very concentrated urine or a small volume of very dilute urine form a large volume of very dilute urine or a small volume of very concentrated urine absorb water and electrolytes into the tubular network?

Answers

I believe the function of the collecting ducts is to absorb water and electrolytes into the tubular network. The collecting duct participates in electrolyte and fluid balance through reabsorption and excretion, processes that are regulated by the hormones vasopressin (ADH) and aldosterone. 

What is true about the number of organisms in an ecosystem?

Answers

It is has a mass of biodivesity

Are things around us usually made of pure elements or combinations of elements?

Answers

Things around us are usually made up of combinations of elements. These combinations are called molecules. Molecules make up combinations called compounds.

Water is an example. There are 2 oxygen atoms and 1 hydrogen atom (oxygen and hydrogen are elements). Together there molecules make up H2O (water) which is a compound.

I hope this makes sense! I'm happy to answer any other questions you might have :)

Most of the things around us are combinations because if they were all pure elements then some would be very haazradous and could take the lives of many people like radium the rays of radium and any other radioactive elements like X rays they are actually bad for you but they arent as harful as any other rays. Uranium is one of the elements that can tell us if there are any rays. Other elements like magnesium is very thin and flammable, and magniesieum is harmful is consumed sometimes it is used in medicine and if that medicine is taken way to much then the person consuming it would have stomache cramps and facial ticks and have a risk of death. And water is not an elements water is a molecule, made of 2 hydrogen and one oxygen. Carbon dioxide is an element.....I think but it is made of carbon and 2 oxygens. I hope this brings out the idea that most elements around us are actually made of several elements so its a combination (molecule). Hope this helps. :)

A change in the frequency of any mutant allele in a population most likely depends on the

Answers

Final answer:

The frequency of any mutant allele in a population can depend on factors like the presence of beneficial alleles, chance events, successful reproduction, and abnormalities. The allele frequency changes due to selective pressures, where advantageous alleles become more common through natural selection.

Explanation:

A change in the frequency of any mutant allele in a population most likely depends on a variety of factors, among which are the frequency of beneficial alleles, the effect of chance on a population's gene pool, successful reproduction, and the presence of any abnormalities in a population.

The allele frequency is the rate at which a specific allele appears within a population. Evolution in the context of population genetics is defined as a change in the allele's frequency in a population. One way allele frequency can change is through natural selection, where alleles that confer advantageous traits can lead to more successful reproduction and thus increase in frequency over time. For instance, using the ABO blood type system, if an allele like IA becomes more common because it confers a survival or reproductive advantage, the frequency of that allele in the population's gene pool will increase, illustrating evolutionary change.

It is also important to note that allele frequencies must always add up to 100 percent, indicating that a change in one allele's frequency impacts the frequencies of others. Studies, such as those on the peppered moth, help scientists track how selection forces influence allele frequencies, providing insight into the selective pressures acting on a population.

Which type of radiation has the shortest wavelength? visible light X-rays gamma rays radio waves

Answers

Answer:

gamma rays

Explanation:

There are different types of radiations/electromagnetic waves within the electromagnetic spectrum. These include:

radio wavesvisible raysX-raysinfra-redultra-violet raysmicrowaveGamma rays

The order of arrangement according to their wavelength is:

Gamma rays < X-rays < uv rays < visible rays < Infra-red < microwave < radio waves.

Gamma rays has the shortest wavelength while radio waves has the longest wavelength.

The correct answer is gamma rays.

Final answer:

The type of radiation with the shortest wavelength is gamma rays. These are produced by the radioactive decay of atomic nuclei and are high in energy and potential for damage.

Explanation:

There are different types of radiation present in the electromagnetic spectrum, and they differ in terms of energy, frequency, and wavelength. These types are visible light, X-rays, gamma rays, and radio waves. Among these types of radiation, the one with the shortest wavelength is gamma rays. Gamma rays are highly penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei. They have the shortest wavelength and as a result, they possess the highest energy and are capable of causing significant damage when they interact with living cells.

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Cancer-causing agents are called __________.
a. carcinoids
b. tumors
c. sarcomas
d. carcinogens please select the best answer from the choices provided. a b c d

Answers

Answer: d. carcinogens

Explanation:

A carcinogen is any substance or radiation which is likely to cause damage to the genome of the organism and disturbing the cellular metabolic processes. These causes mutation in the genome which is responsible for the proliferation and uncontrolled cell division of abnormal cells a condition called as cancer. Carcinogens are of the following types:

Biological (bacteria)

Chemical ( nicotine and asbestos)

Physical (UV radiations)

On the basis of the above explanation, the cancer causing agents are called carcinogens.

Final answer:

Cancer-causing agents are called carcinogens. They can include chemicals, radiation and viruses that can cause the mutation and abnormal division of cells.

Explanation:

The term for cancer-causing agents is known as carcinogens. These can come in a variety of forms, including chemicals, such as those found in tobacco smoke, certain types of radiation like UV rays, and specific viruses. They cause cancer by altering the DNA in cells, which can lead to mutations and the abnormal cell division leading to tumor formation.

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Organic molecules store _________energy in their ______________bonds. select one:
a. kinetic; ionic
b. potential; covalent
c. potential; ionic
d. kinetic; hydrogen
e. kinetic; covalent

Answers

B) Potential; Covalent

Organic molecules store potential energy in their covalent bonds.

Explanation:

Organic molecules, which are the building blocks of life and include compounds like carbohydrates, lipids, proteins, and nucleic acids, are composed of carbon atoms bonded to other atoms such as hydrogen, oxygen, nitrogen, and phosphorus. These bonds are primarily covalent bonds, where atoms share electrons to form stable molecular structures.

The potential energy stored in organic molecules is a result of the arrangement of these covalent bonds. When chemical bonds are formed between atoms, energy is invested in breaking the original bonds, and this energy is stored as potential energy within the newly formed molecule. This potential energy can be released or harnessed during chemical reactions, such as metabolism or combustion, to perform work or provide energy for cellular processes.

The distinction between potential and kinetic energy is essential. Potential energy is energy stored in an object due to its position or state, while kinetic energy is the energy of motion. In the context of organic molecules, the potential energy resides in the chemical bonds, and it can be converted into kinetic energy when these bonds are broken, and chemical reactions occur, releasing energy for various biological and physical processes.

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Based on diversity, life is divided into bacteria, archaea, and eukarya. these groupings are called

Answers

These groupings are called domains.
A domain is the highest taxonomic rank of organisms. Carl Woese, an American microbiologist, and biophysicist designed the three-domain system which describes that the tree of life consists of three domains: Archaea, Bacteria, and Eukarya. Each of these three domains of life is characterized by rRNA which is unique to them.

Which factor can cause a noninfectious disease fungus virus bacteria environment?

Answers

the environment i believe is right

Speciation without geographic isolation is called ________ speciation.
a.sympatric
b.allopatric
c.incomplete
d.diversifying

Answers

Final answer:

Sympatric speciation is the term used to describe the formation of new species without geographic isolation. Unlike allopatric speciation, it happens within a single geolocation, such as a group of insects developing genetic changes due to a shift in dietary preferences. Correct option is A.

Explanation:

Speciation without geographic isolation is known as sympatric speciation. In contrast to allopatric speciation, where a physical barrier such as a river or a mountain range separates a population into two or more groups leading to the evolution of new species, sympatric speciation occurs within a single geographic location. An example of this might be a group of insects living on a single tree which begin to eat different kinds of leaves, thus altering their diet and eventually leading to genetic changes that result in the creation of a new species.

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Final answer:

Speciation without geographic isolation is referred to as sympatric speciation. This can occur through different mechanisms leading to reproductive isolation within the same habitat.

Explanation:

Speciation without geographic isolation is called sympatric speciation. This type of speciation can occur through various mechanisms such as polyploidy, natural selection or sexual selection, leading to reproductive isolation even though the species share the same habitat. It's contrasted with allopatric speciation, which involves physical geographic barriers leading to speciation. Sympatric speciation is less common but can be observed particularly in plants and certain groups of insects.

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