Answer:
An autosomal trisomic condition is the deviation of the chromosome number where an extra copy of the chromosome present with the chromosome pair. The three trisomic conditions are Patau - extra copy at chromosome 13, Edward - extra copy of chromosome 18, and Down Syndrome - an extra copy of chromosome 21
Children or fetuses affected by these trisomies show the least life expectancy and develop as mentally week, other than these trisomies other trisomic conditions are highly lethal so we do not see the survivors and it is due to dosage sensitivity which means that increasing or decreasing their expression levels will reduce cell viability.
what significant role does dna play in formation and development of an organism
Answer:
DNA contains the instructions needed for an organism to develop, survive, and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies.
Explanation:
DNA contains the instructions needed for an organism to develop, survive, and reproduce.
What is DNA?
Cells' capacity to store, retrieve, and translate the genetic instructions necessary to create and maintain a live organism is essential to life.
This genetic material is transmitted from one generation of an organism to the next through the reproductive cells of the organism and from one cell to its daughter cells during cell division.
Every living cell contains these instructions as part of its genes, which are the information-containing components that define the traits of a species as a whole and of the individuals within it.
Therefore, DNA contains the instructions needed for an organism to develop, survive, and reproduce.
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What abiotic and biotic factors are used to classify biomes?
Answer:
Abiotic factors are the physical and chemical factors that determine the characteristics of a biotope: luminosity, pressure, temperature, humidity, salinity, etc. ... Biotic factors are those related to living beings that inhabit a biotope and the relationships that are established with each other.
Explanation:
When experiencing oxygen debt, why do human cells not carry out the process of alcoholic fermentation?
Which of these correctly complements the molecule with its function? a Carbohydrate—manufactures cell membranes b Nucleic acid—supplies energy to cells c Lipid—stores genetic information d Protein-provides structure; builds muscle
Answer:
D
Explanation:
How do we detect the cosmic microwave background radiation?
by looking for radiation at the blue end of the spectrum
through radio telescopes
by looking for a glow in the night sky
through magnifying glasses
Answer:
Through radio telescopes :)
Explanation:
Answer:
through radio telescopes
What is an example of the lithosphere?
Answer:
Rocky Mountain range in western North America.
Explanation:
Lithosphere is defined as the rock and crust surface that covers the Earth.
The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth’s structure. It is bounded by the atmosphere above and the asthenosphere (another part of the upper mantle) below.
Although the rocks of the lithosphere are still considered elastic, they are not viscous. The asthenosphere is viscous, and the lithosphere-asthenosphere boundary (LAB) is the point where geologists and rheologists—scientists who study the flow of matter—mark the difference in ductility between the two layers of the upper mantle. Ductility measures a solid material’s ability to deform or stretch under stress. The lithosphere is far less ductile than the asthenosphere.
There are two types of lithosphere: oceanic lithosphere and continental lithosphere. Oceanic lithosphere is associated with oceanic crust, and is slightly denser than continental lithosphere.
How the Lithosphere Interacts with Other Spheres
The cool, brittle lithosphere is just one of five great “spheres” that shape the environment of Earth. The other spheres are the biosphere (Earth’s living things); the cryosphere (Earth’s frozen regions, including both ice and frozen soil); the hydrosphere (Earth’s liquid water); and the atmosphere (the air surrounding our planet). These spheres interact to influence such diverse elements as ocean salinity, biodiversity, and landscape.
For instance, the pedosphere is part of the lithosphere made of soil and dirt. The pedosphere is created by the interaction of the lithosphere, atmosphere, cryosphere, hydrosphere, and biosphere. Enormous, hard rocks of the lithosphere may be ground down to powder by the powerful movement of a glacier (cyrosphere). Weathering and erosion caused by wind (atmosphere) or rain (hydrosphere) may also wear down rocks in the lithosphere. The organic components of the biosphere, including plant and animal remains, mix with these eroded rocks to create fertile soil—the pedosphere.
The lithosphere also interacts with the atmosphere, hydrosphere, and cryosphere to influence temperature differences on Earth. Tall mountains, for example, often have dramatically lower temperatures than valleys or hills. The mountain range of the lithosphere is interacting with the lower air pressure of the atmosphere and the snowy precipitation of the hydrosphere to create a cool or even icy climate zone. A region’s climate zone, in turn, influences adaptations necessary for organisms of the region’s biosphere.
Answer:
Mountains, fields, rocks, cliffs, etc.
Hope this helps! Have a great day
Explanation:
Explain the connection between the oxidation of water in photosystem II of the light-dependent reactions and the synthesis of glyceraldehyde-3-phosphate in the light-independent reactions.
Answer:
Please find the explanation below
Explanation:
This question is describing the processes involved in photosynthesis. In the light-dependent stage of photosynthesis, specifically photosystem II (PSII), water is oxidized in a process called PHOTOLYSIS OF WATER. This process produces electrons and Hydrogen ions (H+). The electrons produced via this process is accepted by NAD+ to yield NADH.
The NADH is an electron carrier produced during the light-dependent stage and used to reduce 3-phsophoglycerate (PGA) produced in the light-independent stage to glyceraldehyde-3-phosphate (G3P).
Which were the elements to form in the earliest stage of the universe?
A. Lithium, nitrogen, and carbon
B. Hydrogen , helium , and lithium
C. Carbon , oxygen , and hydrogen
Please let me know
Explanation:
AswerB
hydrogen, helium and lithium
It took 380,000 years for the electrons to be trapped in orbits nuclei forming the first atoms. (which is option B)
which substance are necessary for the synthesis of most material in organism
Answer:
yes
Explanation:
The following are all examples of changing motion EXCEPT
a
A golf ball stops after rolling up a hill.
b
A race car travels around an oval track at a constant speed of 180 miles per hour.
c
A bowling ball travels in straight line down a bowling alley at a constant 3 meters per second.
d
A ball rolls against a wall and bounces away at 3 meters per second.
Answer:
It is B
Explanation:
I had this on my test last week
which of the following is identical in a skin cell and a muscle cell from the same individual?
a. cellular shape
b. amount of ATP
c. genetic material
d. cell function
Answer:
C
Explanation:
skin and muscle cells are similar in that they contain the same DNA
A mitochondrion is having a problem creating enough energy to build new molecules. Which problem most likely exists with the mitochondria
The hydrogen pump may not be functioning properly.
What does the Monosaccharide do for the human body ?
Which of the following is the source of the carbon in sugar produced during photosynthesis?
A) carbon dioxide
B) water
C) rubisco
D) ATP
The pedigree below shows the occurrence of red-green colorblindness in four generations of a family. Use the information in the pedigree to answer the following question.
How many individuals have red-green colorblindness in the four generations shown in this pedigree
Answer:
4
Explanation:
I took the test!!
When two plates slide past each other, what kind of plate boundary is
that?
A.Convergent
B.Divergent
C.Transform
Answer:
C. Transform
Explanation:
A transform plate boundary occurs when two plates slide past each other.
what is the passing of traits from parents to offspring?
Many cells make and use an enzyme, called catalase, to facilitate the decomposition of hydrogen peroxide (H2O2). The products of the decomposition are hydrogen (H2) and oxygen (O2). What is the effect of catalase on the decomposition of hydrogen peroxide?
Answer: Catalytic effect
Explanation:
Catalyst is a substance which speed up the rate of the reaction occurring inside the body.
The catalase is an enzyme which is responsible for catalyzing the decomposition reaction or break down of the hydrogen peroxide. And all living things exhibit or possess this enzyme. The enzyme catalyzes the decomposition of the hydrogen peroxide into water and oxygen.
I will really appreciate if you can tell me the answer
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Which of the following statements are true? (Select all that apply.)
Government health insurance plans are typically more expensive than private plans.
Private health insurance plans are typically more expensive than government plans.
Government health insurance plans target specific groups of patients, such as the elderly, veterans,
or children.
Private health insurance plans target specific groups of patients, such as the elderly, veterans, and
children
Answer:b and c
Explanation:
Edg 2020
The true statements are:
Government health insurance plans target specific groups of patients, such as the elderly, veterans, or children.
Private health insurance plans target specific groups of patients, such as the elderly, veterans, and children.
These sentences properly describe government and private health insurance. Medicare and Medicaid cover the elderly, low-income, and other categories. Insurance companies offer private health insurance plans to certain groups with varied coverage options and costs based on demographics and demands.
The question does not provide enough information to compare government and private health insurance costs. Coverage, geography, age, and individual circumstances affect costs. Thus, comparing government and private plan costs is inaccurate.
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which of the following can lower the carrying capacity of a particular area?
Answer:
honestly I think its C smaller organisms .I could be completely wrong so keep that in mind
*
Replication can best be described as:
1.making new DNA using the old DNA
2.making RNA using DNA
3.making proteins using RNA
4.making proteins using DNA
Answer:
2
Explanation:
DNA splits to make RNA
Which statement is true about Earth's poles?
A. Only the north magnetic and geographic poles wander.
B. Only the magnetic poles wander
C. The geographic poles both wander
D. The magnetic poles stay in the same place.
Answer: C: They both wander
Explanation: A P E X
which chemical formula would a drought effect and how?
Answer:
Drought often reduces the sugar content in lignocellulosic biomass, which could have economic impacts, particularly when compounded with ...Explanation:
Compare and contrast the structure and function of lysosome and golgi
First drag pink labels to pink targets to identify the digestive organs. then drag blue labels to blue targets to identify the source of each digestive enzyme or fluid.
Answer:
According to the diagram, the digestive organs on the pink targets includes:
a.) Liver, c) esophagus, d) gall bladder, e)Stomach, I) Small intestine j) Pancreas
The source of each digestive enzyme or fluid on the blue targets includes: b) bile, f) pepsin, g) Intestinal enzymes, h) Pancreatic juice.
Explanation:
The digestive system is the collective name used to describe the alimentary canal, accessory organs and a variety of digestive processes that takes place at different level in the canal to prepare food eaten for absorption.
Accessory organs of digestion generate various secretions which are poured into the tract to aid in the digestion of the food taken. They include: salivary gland, pancreas (secrets pancreatic juice), liver ( secrets bile), gall bladder ( stores bile).
what is the d/CE between ruminant and non ruminant animals
Answer:
Ruminant animals are animals that chew cud while non-ruminant animals are animals that do not chew cud.
Explanation:
Classify the sets of bones below as being part of the axial skeleton or the appendicular skeleton.
hands and feet
sternum
skull
hips
ribs
shoulders
arms and legs
vertebral column
Answer:
Hello the correct answers are......
Classify the sets of bones below as being part of the axial skeleton or the appendicular skeleton.
✔ appendicular skeleton = hands and feet
✔ axial skeleton = sternum
✔ axial skeleton = skull
✔ appendicular skeleton = hips
✔ axial skeleton = ribs
✔ appendicular skeleton = shoulders
✔ appendicular skeleton = arms and legs
✔ axial skeleton = vertebral column
Explanation:
just took the test from edge
hope this helps :P
Hii!! (: The correct answers are:
✔ appendicular skeleton - hands and feet
✔ axial skeleton - sternum
✔ axial skeleton - skull
✔ appendicular skeleton - hips
✔ axial skeleton - ribs
✔ appendicular skeleton - shoulders
✔ appendicular skeleton - arms and legs
✔ axial skeleton - vertebral column
15. Each of the following is a density-dependent limiting factor EXCEPT
A. crowding
B. competition
C. disease
D. seasonal cycles
Answer: d, seasonal cycles
Explanation: it doesn't affect the population.
Which of the following is the best description of a gene?
O A. A learned behavior
B. A physical or behavioral characteristic
C. A section of DNA that codes for traits
O D. The basic unit of a nucleic acid
Answer:
C. A section of DNA that codes for traits.