Answer:
Ethical limits are still not completely established.
Explanation:
Pros: Gene therapies are being developed for hereditary diseases that are transmitted through a single, specific gene.
Examples are some diseases of the blood and immune system, some types of blindness, or metabolic damage.
Cons: Because the procedures are very invasive and it requires a large number of animals to serve as guinea pigs.
I’m stuck with this Encryption Table, if anyone can please help me solve this I would appreciate it very much.
Answer:
hu7gf6dcxyxycjc c.f. c ycyftc Tx tv hcv12345678910112131415161727 8gh
What are some of the interactions the respiratory
systems has with other body systems?
Answer:
The respiratory system interacts with the circulatory system by replenishing the blood flow from the heart with fresh oxygen, and taking out waste gases like CO2 from the blood.
Explanation:
Any interaction of the respiratory system with another system would be any function where both systems are involved. Hope this helps!
what type of bone is the femur?
A. short bone
B. flat bone
C. long bone
D. irregular bone
Answer:
It is a long bone.
Explanation:
This meaning that it is greater in width, while the patella, a sesamoid bone, is small and round.
please help me with this question:)
Answer:
Pokaryote is the right answer.
Answer:
C: Prokaryote
Explanation:
This is not an animal or plant cell
PLSS HELP ,, - - - A group of students were testing different insulators. They used three metal cans, one wrapped with bubble wrap, a second with a paper towel, and third unwrapped. Equal amounts of hot water were poured into each can and the temperature was noted at definite time intervals. The data is shown in the table.
From the data what can you conclude which is the best insulator?
Aluminum can wrapped with paper towel
Just the aluminum can
Aluminum can wrapped with bubble wrap
Answer:
Without the table, I can't be 100% certain, but I'm sure that your answer is C). It would only make sense, considering the fact that if bubble wrap is being used, you've put 2 layers of plastic and one layer of trapped air between the can and the hand of those who hold it, thus reducing the amount of thermal energy transfer.
In which state of matter do the particles move independently of one another?
A.amorphous solid
B.Gas
C.Crystalline solid
D.Liquid
Answer:
I Think Gas
The gaseous state has very loose and unorganized structuring of particles, making them have little attraction and move independently.
Due to the higher concentration of oxygen (O2) in the air than your blood, oxygen goes from the lungs into the red blood cells by ... *
PLEASE HELP I WILL MARK BRAINLY
THANK YOU
Due to the higher concentration of oxygen in the air than your blood, oxygen goes from the lungs into the red blood cells by simple diffusion.
It should be noted that oxygen diffuses from the lungs into the red blood cells. It then binds to hemoglobin. A molecule of hemoglobin can bind with four molecules of oxygen.
Since the red blood cells have cell membranes that are thin, this then enables oxygen to be able to diffuse quickly.
In conclusion, the correct option is simple diffusion.
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what are skeskeleton bones
Answer:
the bones that are inside your body
Answer: an internal or external framework of bone, cartilage, or other rigid material supporting or containing the body of an animal or plant. so like the domes help us stand up and do other stuff and without them we would be on the ground lol
Explanation:
Select 1 factor that most likely reflects your life as a senior high student
Explanation:
depression
unstable mental health
constant anxiety
overthinking
Answer:
Regular physical activity promotes growth and development and has multiple benefits for physical, mental, and psychosocial health that undoubtedly contribute to learning.
• Specifically, physical activity reduces the risk for heart disease, diabetes mellitus, osteoporosis, high blood pressure, obesity, and metabolic syndrome; improves various other aspects of health and fitness, including aerobic capacity, muscle and bone strength, flexibility, insulin sensitivity, and lipid profiles; and reduces stress, anxiety, and depression.
Sedentary behaviors such as sitting and television viewing contribute to health risks both because of and independently of their impact on physical activity.
• Health-related behaviors and disease risk factors track from childhood to adulthood, indicating that early and ongoing opportunities for physical activity are needed for maximum health benefit.
If Earth was like a hardboiled egg, which part of Earth would the egg white represent?
Mantle, as its depth is less than 2,900 kilometers
Core, as its depth is less than 2,900 kilometers
Mantle, as its depth is up to 6,500 kilometers
Core, as its depth is up to 6,500 kilometers
Answer:
The Mantle, as it's depth is less than 2,900 Kilometers.
Explanation:
Answer:
The Mantle as it's depth is less than 2,900 Kilometers.
Explanation:
IF you see something dark or with a pole like figure then run and hide if you hear what it says it already too late
Answer:
stop being spoopy im scurred (._.)
Explanation:
eh still not scarry
~(￣▽￣)~
_ can cause drain pipes to become to become clogged. A. Hydrotropism B. Thigmotropism
Answer:
b
Explanation:
Answer:
I think B
Explanation:
Hope this helps
How do plants contribute to the water cycle?
Answer:
Plants absorb water from the soil. The water moves from the roots through the stems to the leaves. Once water reaches the leaves, some of it evaporates from the leaves, adding to the amount of water vapor in the air. This process of evaporation through plant leaves is called transpiration.
I really hope this helps!
Plants contribute to the water cycle in several ways through Transpiration, evaporation, Precipitation: and infiltration.
How do we explain?Plants take in water through their roots and transport it up to their leaves. As water evaporates from the leaves, it creates a force that pulls more water up from the roots through a process called transpiration, and it is a major way that water moves through the atmosphere.
Water from plants and soil also evaporates into the atmosphere. This process is called evaporation, and it is another important way that water moves through the water cycle.
When water vapor in the atmosphere cools, it condenses and falls back to Earth as precipitation. This can be in the form of rain, snow, sleet, or hail.
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Biology: Performance Task 1 (USATESTPREP) What goes in the blanks in each column of the Venn Diagram? Need help ASAP (30 minutes or less)
Answer:
ok hollup ima need to get it up
Which of the following are functions related to the expression of MHC molecules?
a. To display self-peptides to test developing T cells for autoreactivity
b. To display self-peptides to demonstrate cell health
c. To display self-peptides to maintain self-tolerances
d. To display foreign peptides
e. All of the answers are correct.
Answer:
e. All of the answers are correct.
Explanation:
The major histocompatibility complex (MHC) is a locus that contains several polymorphic genes. These genes are known to encode different components of the immune system, especially cell-surface proteins which present antigens to the T cell receptors during adaptive immune responses. The MHC genes are classified into Class I, Class II and Class III:
1- MHC class I genes encode cell surface molecules that present peptides (antigens) to cytotoxic T lymphocytes (i.e., killer T cells)
2- MHC class II genes encode cell surface molecules that present antigens to CD4+ T cells
3- MHC class III genes encode proteins that are not involved in antigen presentation (i.e., components of the complement cascade, cytokines, etc)
Covalent bonds can be best described as neutral atoms coming together to share electrons. neutral atoms coming together to create electrons. ionized atoms coming together to trade electrons. ionized atoms coming together to destroy electrons.
Answer:
neutral atoms coming together to share electrons.
Explanation:
Answer:
The answer is neutral atoms coming together to share electrons.
Explanation:
Bc covalent compounds are compound whose atoms form bonds by sharing electrons
Have a great day!!
According to the principle of appropriate scale, even the smallest activities can have a _____________ impact
a.
small
c.
large
b.
medium
d.
none of the above
Answer:
there ya go
Explanation:
9. A pattern of stars that has been named is called a constellation. One winter evening, Jason
found the star called Sirius in the constellation called Canis Major.
Canis Major
Sirius
Muliphen.
Murzim
Wezen
Aludra
Adara
If Jason came outside again a few hours later, what would the stars in Canis Major look like?
A. The pattern of stars would appear to be in the same place in the sky.
B. The pattern would change because each star would have moved in a different direction.
C. The pattern of stars would appear to have moved together across the sky.
D. The pattern would be smaller because the stars moved closer together.
Answer
i think its C.
The mitotic spindle and microtubules were not present in the mitosis models; describe their process throughout the steps of mitosis.
Answer:
Following are the solution to this question:
Explanation:
In a spindle in prophetic (mitotic apparatus) spindle, pulley and cellular membranes form at the kinetochore of metaphase genes intended besides separation of anaphase daughter chromosomes.
Even though the cycle of creation of the cells move towards opposite poles, microtubules gradually form a network between them, and its duplicate chromosomes would be later removed.
What controls when a cell divides?
Answer:
A variety of genes are involved in the control of cell growth and division. Tight regulation of this process ensures that a dividing cell's DNA is copied properly, any errors in the DNA are repaired, and each daughter cell receives a full set of chromosomes.
Explanation: hope this helps love
Answer:
A variety of genes are involved in the control of cell growth and division. Tight regulation of this process ensures that a dividing cell's DNA is copied properly, any errors in the DNA are repaired, and each daughter cell receives a full set of chromosomes.
Explanation:
3 Drag each option to the correct location on the image.
Match the expenses to their respective type. 1. rent
2. employee salary
3. sales commission
4. machinery
5. wages
6. materials used for production
FIXED COSTS or VARIABLE COSTS
Explanation:
Fixed> materials for used production, machinery
Variable> Employee salary, wages, rent
The fixed costs are machinery and materials used for production while the variable costs are rent, employee salary, sales commission, and wages.
What are fixed and variable costs of production?A fixed cost of production is one whose value cannot be easily changed. Examples include machinery and equipment, factory space, etc.
A variable cost of production is one whose balue can be easily changed. Examples include salaries, wages, etc.
Therefore, the fixed costs are machinery and materials used for production while the variable costs are rent, employee salary, sales commission, and wages.
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Chemical reactions convert to . In nonliving systems, the presence of a(n) allows the reaction to proceed very quickly and have a lower . In living systems, this function is carried out by proteins called .
reactants, products
catalyst
activation energy
enzymes
Explanation:Chemical reactions convert reactants to products. In nonliving systems, the presence of a(n) catalyst allows the reaction to proceed very quickly and have a lower activation energy. In living systems, this function is carried out by proteins called enzymes.
When an oxygen atom forms an ion, it gains two electrons.
What is the electrical charge of the oxygen ion?
2
1
O +1
O + 2
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O+2An individual is heterozygous for a gene at a specific locus. ________ will have the same form of alleles at that locus after S phase.A. Sex chromosomes.B. Homologous chromosomes.C. Non-sister chromatids.D. Sister chromatids.
Answer:
D
Explanation:
Sister chromatids will have the same form of alleles at the locus after S phase.
This is because during the S phae of the cell cycle, sister chromatids are replicated in preparation for cell division. The replication process is quite accurate such that all the alleles present on the initial chromatids are also replicated on the new sister chromatids. Hence, both new and old chromatids will have the same form of alleles at the locus after replication at the S phase. In other words, sister chromatids are exact copy of one another.
The correct option is D.
12. Base your answer to the following question on the diagram below, which represents a chemical
reaction that occurs in the human body, and on your knowledge of biology.
Part of a
starch
molecule
Water
Z
Substances X and Y are examples of which kind of molecule?
A) simple sugar
B) amino acid C) fat
D) hormone
The conversion of the complex molecule to a simpler molecular is said to be digestion. The human body does digestion to get energy and perform other actions.
The bioactive molecule which is required while digesting is called an enzyme which fastens the process.
According to the picture in the diagram, the starch molecule is attached to the active binding site of an enzyme which helps the digestion of starch, as starch is made up of simple sugar.
Hence, the correct answer is A) a simple sugar
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Help me please if u don't know don't answer please
Answer:
I would love to help but I got that answer wrong before and I keep trying over and over again
Explanation:
Least specialized cells to most specialized cells
Answer:
1) Zygote cell
2) Blastocyst cells
3) Mesoderm cells
4) Heart Cells
Hopefully, it helps. :)
What does the cell membrane do for the cell?
O maintain homeostasis
O all of the above
O communication
O protection
Answer:
Protection
Explanation:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
help^
answer that......
Answer:
yes yes yes no yes
Explanation:
In facilitated diffusion, do molecules move down their concentration gradient? Explain.
Answer:
Molecules move up the concentration gradient in facilitated diffusion, which requires ATP to be used as molecules naturally move from high to low concentration
Explanation:
: )
Molecules move down their concentration gradient in facilitated diffusion through channels of proteins.
For most molecules, movement through the membrane, with a significant rate, is only possible by the presence of transporter proteins (integral membrane proteins, which recognize substances with a high specificity, accelerating their translocation) or channels of proteins.
Transport proteins allow the facilitated diffusion of molecules, moving them along the free energy gradient (concentration gradient, charge gradient, or both), in the direction of thermodynamic equilibrium.
When a carrier protein binds to a solute, the protein changes shape in such a way that it carries the solute to the other side of the membrane.
Facilitated diffusion is similar to simple diffusion, since the molecules move from a region of higher to a lower concentration of solutes.
For example, by facilitated diffusion, chlorine ions move down their concentration gradient into the cell through chlorine channels.
Therefore, we can conclude that many molecules are assisted by transporter proteins for their diffusion through the plasma membrane, a process known as facilitated diffusion, where the molecules descend through their concentration gradient.
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