Human embryos must possess what to be viable

Answers

Answer 1

Answer: At least one X chromosome.

Answer 2

Answer:

At least one X chromosome


Related Questions

Which organism would a shark get the SMALLEST percentage of energy from after eating? A Dolphin B Seagull C Seal D Tuna fish

Answers

B seagull they already don’t make up a large part of a sharks diet

(90 POINTS) The three points of cell theory correspond to which signs of life?

point 1. All living things
are composed
of cells.
point 2. Cells are the
fundamental
units of life.
point 3. All cells come
from other
cells.

A. Reproduction and one or more cells
B. Response to the environment and information system
C. One or more cells and information system
D. Information system and complex chemical activities

(90 POINTS) The three points of cell theory correspond to which signs of life?point 1. All living thingsare

Answers

Answer:

A) I think

Explanation:

Answer:

b

Explanation:

7. Apply Concepts Tsunamis can travel across great distances, including entire oceans.
Are any areas of the United States at risk for tsunamis that might form as the result of
earthquakes? Explain.

Answers

Answer:

Hey there again, Queen Messy here!

A tsunami is a series of ocean waves with very long wavelengths (typically hundreds of kilometres) caused by large-scale disturbances of the ocean. The deeper the water, the greater the speed of tsunami waves will be. Tsunami retain their energy, meaning they can travel across entire oceans with limited energy loss.

Yes. All tsunamis are potentially dangerous, even though they may not damage every coastline they strike. A tsunami can strike anywhere along most of the U.S. coastline. The most destructive tsunamis have occurred along the coasts of California, Oregon, Washington, Alaska, and Hawaii.

Explanation:

You are very welcome (:

What causes the differences in physical characteristics like hair color among people?

different versions of genes
variations in DNA length
different numbers of chromosomes
variations in cell nucleus size

Answers

Answer:

The answer is A. different versions of genes

Answer:

A

Explanation:

Different versions of genes

How would you explain the key concepts for the CWA in less than two minutes?

Answers

Answer:

Explanation:

vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.

Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from  a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.

Navigable Waters of the United States  For the purposes of the Clean Water Act, the term "navigable waters" includes:

all waters used in commerce, including groundwater;

all interstate waters including wetlands, mudflats, and sand-flats; and

all other waters such as lakes, rivers, streams, wetlands and sloughs.

EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters."  The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect.  In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.

Additional executive orders were issued 2015 in 2019.  Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.

Could the requirement for one or more NPDES Discharge Permit apply to my campus?

If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.

Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.

Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.

What do I have to do related to NPDES Discharge Permits?

Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.

French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.

Details of NPDES

why cell size remain small even though organism size is large

Answers

Answer:

Cell size is limited by a cell's surface area to volume ratio. A smaller cell is more effective and transporting materials, including waste products, than a larger cell. Cells come in many different shapes. A cell's function is determined, in part, by its shape.

cell size is limited to a table size

which is colder 0 C or 32 F

Answers

Answer: we know that the same temperature was named 0°C and 32°F. We write it 0°C = 32°F, and read it: "A temperature of zero degrees Celsius is the same as a temperature of 32 degrees Fahrenheit." Similarly, 0°F = 160/9°C. ... 23°C is 23°C above 0°C. But 23°C = 23*1.8°F and 0°C = 32°F.

Explanation: Mark me brainly please

Answer:

They are the same

Explanation:

(0°C × 9/5) + 32 = 32°F

To convert temperatures in degrees Celsius to Fahrenheit, multiply by 1.8 (or 9/5) and add 32.

Match these items with their appropriate definition.
Items:
corona
chromosphere
photosphere
fusion of hydrogen
solar flares
sunspots
prominences
aurora
borealis
Definition:
the northern lights
the sun's energy
a source of charged particles that hit the earth
dark areas on the sun
streaks of gas that go out into space like an arch
the halo around the sun
the visible surface of the sun
the layer above the photosphere that consists of brilliant red gases

Answers

Answer:

corona: the halo around the sun

chromosphere: the layer above the photosphere that consists of brilliant red gases

photosphere: the visible surface of the sun

fusion of hydrogen: the sun's energy

solar flares: a source of charged particles that hit the earth

sunspots: dark areas on the sun

prominences: streaks of gas that go out into space like an arch

aurora borealis: the northern lights

Question 10 of 20 :
Select the best answer for the question
10. What is the purpose of the introduction in an essay?
A. To focus on current statistics
B. To highlight the most important concepts
C. To explain the main idea to the reader
D. To establish the main idea of the essay

Answers

C. To explain the main idea to the reader

This question refers to the gene for the ability to taste PTC.One member of a couple is homozygous dominant and the other is a non-taster of PTC.Answer the questions below regarding the expected offspring.4a. What is the percentage chance of an offspring of this couple being a Taster of PTC? (1 mark).*note* Please enter numbers only - up to a maximum of 3 digits (0-100)4b. What is the percentage chance of an offspring of this couple being Heterozygous for the allele? (1 mark).*note* Please enter numbers only - up to a maximum of 3 digits (0-10

Answers

As the trait is dominat, an heterozygous individual will be a taster or PTC.

Being the parents TT and tt, 100% of the offspring will be a taster and heterozygous. (100% for both answers)

This question refers to the gene for the ability to taste PTC.One member of a couple is homozygous dominant

6. The overall reaction for cellular respiration is: C6H12O6 + 602 --> 6C02 + 6H20Describe why CO2 forms and identify the stages/steps of aerobic respiration that produce each CO2.

Answers

CO2 forms as glucose oxidates (loose protons). In the process releases large amounts of energy which is used to form ATP.

The glucose molecule undergoes glycolysis and breaks into two molecules of pyruvate.

The Pyruvate enters the mitochondria, forms acetyl CoA and by loosing one carbon in the form of CO2. Then starts the Krebs cycle. At the end of the cycle 2 molecules of CO2 are formed for each Pyruvate molecule.

2CO2 (one from each pyruvate) to form acetyl CoA.

4CO2 (two from each pyruvate) in the krebs cycle.

Which of the following is not an example of where primary succession typically occurs?

After a fire
A retreating glacier
Emerging islands
Formation of new lakes

Answers

Answer:

After a fire

Explanation:

Primary succession is one of the two types of ecological succession in which a barren area of land (with no soil) is colonized by organisms called PIONEER SPECIES for the very first time.

Primary succession is characterized by a BARREN area that had no form of previous growth or colonization. These barren area can include a retreating glacier, an emerging islands or the formation of new lakes.

Note that, the succession that occurs AFTER A FIRE or any form of environmental disturbance is SECONDARY SUCCESSION.

The intervening age between childhood and puberty​

Answers

Answer:

adolescence is the age b/w childhood and puberty. it includes some big changes to the body of a person.

Explanation:

which of the following is an example of primary succession: group of answer choices a treefall produces a light gap, allowing seeds in the soil to germinate lichens begin to grow on bare rock exposed from a glacier retreat a deciduous forest is clear-cut and replaced by a pine plantation a disease wipes out the dominant tree species in a forest, and a different tree replaces it pine seedlings are able to germinate after a fire

Answers

A primary succession is when lichens start to grow on exposed bare rock after a glacier retreats and a deciduous forest is clear-cut.

Primary succession is a type of ecological succession (the development of an ecological structure within a biological community) in which plants and animals first occupy a lifeless, sterile environment. Pioneer species are those that are the first to establish themselves in a brand-new environment. Through their interactions, these species create a basic initial biological community. As new species enter this society, it becomes more complicated.

Following a severe disturbance, primary succession is the first stage of ecological recovery and typically takes place in an environment devoid of vegetation and other living things. As a result of environmental disturbances like lava flows and retreating glaciers, these habitats often lack soil.

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Table 4: Water Quality vs. Fish Population
Dissolved Oxygen (ppm) 0 2 4 6 8 10 12 14 16 18
Number of Fish Observed 0 1 3 10 12 13 15 10 12 13



Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water

Answers

Answer:

One possible hypothesis that could be developed from this data is that the number of fish observed in the body of water is positively correlated with the amount of dissolved oxygen in the water sample. This hypothesis suggests that as the amount of dissolved oxygen in the water increases, the number of fish observed in the water also increases.

This hypothesis is based on the observation that the number of fish observed in the body of water increases from 0 to 13 as the amount of dissolved oxygen in the water sample increases from 0 to 10 ppm. However, the number of fish observed decreases slightly at 14 ppm and then increases again at 16 ppm. This could suggest a possible threshold effect, where a certain level of dissolved oxygen is necessary for fish survival and growth, but too much dissolved oxygen could also have negative impacts on fish populations.

Overall, this hypothesis could be further tested and refined through additional data collection and analysis, as well as consideration of other factors that could influence fish populations, such as water temperature, pH, and nutrient levels.

Hope this helps!

A patient drops off a written prescription for "glucose test strips for #100, test QD,
for non-insulin dependent diabetes (E11.9)" with PRN refills for one year. Based
on this information, can you bill this prescription to Medicare Part B?
O Yes
O
No

Answers

Based on the provided information, it is not possible to determine whether the prescription can be billed to Medicare Part B or not.

Medicare Part B is a component of the United States government's Medicare program, which provides medical insurance coverage to eligible individuals. Part B primarily covers outpatient services, including doctor visits, medical supplies, and certain prescription medications. However, not all prescriptions are automatically covered under Medicare Part B.

To determine whether a specific prescription can be billed to Medicare Part B, several factors come into play. These include the coverage policies and guidelines set by Medicare, which outline the specific criteria for reimbursement. Medicare Part B generally covers medications that are deemed medically necessary for the treatment of a condition or illness.

The decision to bill a prescription to Medicare Part B depends on various factors such as the specific coverage policies and guidelines set by Medicare, the medical necessity of the prescribed item, and the individual's eligibility for Part B benefits.

Therefore, it is not possible to bill this prescription to Medicare Part B.

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what is poultry farming ???​

Answers

Answer:

Poultry farming is the form of animal husbandry which raises domesticated birds such as chickens, ducks, turkeys and geese to produce meat or eggs for food. It has originated from the agricultural era. Poultry – mostly chickens – are farmed in great numbers.

Answer:

Poultry farming is the form of animal husbandry which raises domesticated birds such as chickens, ducks, turkeys and geese to produce meat or eggs for food. It has originated from the agricultural era. Poultry – mostly chickens – are farmed in great numbers.

10. According to Bohr's model of the atom, electrons behave like....
A. Waves on a vibrating string
B.Planets orbiting the
C.sun light energy in a vacuum​

Answers

B.Planets orbiting hiiiiii

Which specific subdivision of the nervous system calms the body after strenuous physical activity?
O A. autonomic nervous system
O B. somatic nervous system
OC. parasympathetic nervous system
CO D. sympathetic nervous system

Answers

Answer:

C. Parasympathetic nervous system.

Explanation:

The parasympathetic nervous system calms the body after strenuous physical activity.

Hope this helps!

All living things can be placed into one of three ________, the highest level of organization of living things.

Answers

Answer:

copy and paste this into Quizlet and you will get your answer.

Explanation:

I use that app for everything I need

Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?

Answers

The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.

If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.

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Most organisms can be divided into two categories - prokaryotes and eukaryotes. What is the main difference between these two categories?
A.
Eukaryotes are found in all of the six major taxonomic kingdoms.

B.
Prokaryotes do not possess a nucleus or any other membrane-bound organelles.

C.
Prokaryotes do not possess any means of locomotion and are thus unable to move.

D.
Eukaryotes are living organisms whereas prokaryotes include some nonliving matter.

Answers

Answer:

B

Explanation:

They don't have an enclosed nucleus.

Yeah it’s definitely b

extrusive rocks have larger grains than intrusive rocks.true or false and why

Answers

False because extrusive rocks have fine-grained texture due to the rapid cooling of magna above the earth surface. On the other hand extrusive rocks have course grained texture due to slow cooling of magna beneath the Earth's surface

Mendel’s law of segregation states that

Mendels law of segregation states that

Answers

i believe your answer is C

Answer:

The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860s. One of these principles, now called Mendel's Law of Segregation, states that allele pairs separate or segregate during gamete formation and randomly unite at fertilization.

Explanation:

Club foot is a rare disease due to congenital skeletal abnormalities, both genetic and nongenetic factors are thought to be responsible for club foot. A family in which club foot was inherited as an autosomal dominant trait with reduced penetrance was identified in 2008. It was found that a mutation in the PITXI gene that caused club foot in this family. Through DNA testing, they determined that 11 people in the family carried the PITXI mutation, but only 8 of these people had club foot.

Required:
What is the penetrance of the PIXTI mutation in this family?

Answers

Answer:

72.72%

Explanation:

The Penetrance of the PIXTI mutation in this family can be represented as

The Penetrance represents the percentage of people who show/have the disease

family size = 11

number of people with the disease = 8

Penetrance of PIXTI in the family can be calculated as  = 8/11 * 100

                   = 0.7272  * 100

                   = 72.72%

The remaining 27.38 % are just carriers of the PITXI gene

Which two processes are most likely to be involved in the formation of
igneous rock?
A. Deeply buried sedimentary rock melts.
B. Magma cools as it rises to the surface.
C. Water is squeezed out from sediment particles.
D. A parent rock is changed by heat and pressure.

Answers

Answer:

B. Magma cools as it rises to the surface

Explanation:

Igneous rocks may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.

Answer: Magma cools as it rises to the surface and Deeply buried sedimentary rock melts.

Explanation:

cuz magma is molten rock

How does diffusion occur in cells? Please submit your conclusion paragraph.

Answers

Diffusion is an essential process for the functioning of cells, as it allows for the exchange of materials and energy between the cell and its environment. Diffusion occurs when molecules move from an area of higher concentration to an area of lower concentration. This process occurs within the cell membrane, as molecules of solutes move across the membrane as well as through the membrane. Diffusion is important for the transport of substances across cells, which is necessary for metabolic processes and other essential functions. Diffusion is an important process that helps cells to maintain homeostasis.

true or false the nucleus takes up about 30% of the cell’s volume

Answers

The answer is false, kajsksjsbdhdj

It is false that the nucleus takes up about 30% of the cell’s volume.

What is nucleus?

The part of a cell that houses the chromosomes in biology is nucleus. The membrane-enclosed nucleus is where RNA is synthesized from the chromosomal DNA. Enlarge. component cells.

The nucleus' principal jobs include storing the cell's DNA, preserving its integrity, and assisting with transcription and replication.

One of the most noticeable features of a eukaryotic cell is its spherical nucleus, which normally makes up 10% of the cell's volume.

The genetic information and other instructions necessary for cellular functions are found in the double-membraned organelle known as the nucleus. It is one of the biggest organelles and is only present in eukaryotic cells.

Thus, the given statement is false.

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The random movement of molecules across a cell membrane, from the side of the membrane where the molecules are in high concentration to the side of the membrane where the molecules are in low concentration (that is, high-to-low movement), without the use of any extra energy source, is
called

Answers

Answer:

the answer for this is Osmosis.

Mark Brainliest please

In the process of diffusion, a substance tends to move from an area of high concentration to an area of low concentration until its concentration becomes equal throughout a space.

A new bacteria was introduced to the Antarctic ecosystem which dissolves the outer shells of crustaceans. What animal would be most affected by the death of this organism?
Emperor penguin
Fragilariopsis curta
Gentoo penguin
Blue Whale

Answers

Answer:

it would be Fragilariopsis curta  because it is part of the diatom subspecies of algae and has a hard bone like silica shell making it more like a crustacean than a true algae

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