The origin of life is a very complex story. According to some religions, people say that there is a higher being who created the creatures on the earth, and the earth. Science claims many different theories, that we descended from monkeys and apes. Truthfully though, these are all just theories.
(This is just a snip bit of the possible theories you could use.)
Which of the following are NOT a type of inherited disease? A. Multifactorial diseases B. Single-Gene diseases C. Chromosomal diseases D. Somatic diseases
Is the cell wall found in eukaryotic(plant-animal) or prokaryotic?
Answer: Prokaryotic
Explanation:
(*Its actually Physical Science)
Which kind of bond would occur between sodium (Na, Group IA) and chlorine (CI, Group VIIA)?
*I need this ASAP
A. ionic
B. no bond
C. metallic
D. covalent
what statements are true about the biological macromolecules?
A. All biomolecules could be called carbon - based molecules
B. The monomers of DNA are nucleotides
C. Ready cellular energy comes in the form of lipids
D. Carbohydrates contain nitrogen and therefore differ from other macromolecules
E. Cell membranes are made, in part, from phospholipids
F. The monomers of starch are monosaccharides
Answers:
A. All biomolecules could be called carbon based molecules
B. The monomers of DNA are nucleotides
E. Cells membranes are made, in part, from phospholipids
F. The monomers if starch are monosaccharides
All biological macromolecules are carbon-based molecules, the monomers of DNA are nucleotides, cell membranes, in part, are made from phospholipids and the monomers of starch are monosaccharides correct statements. Therefore, the correct options are A, B, E and F.
What are biological macromolecules?Biological macromolecules are large molecules constituted of organic molecules. These are necessary for the survival of an organism. The four major classes of macromolecules in the study are Carbohydrates, Lipids, Proteins and Nucleic acids.
They are all built from carbon-based or organic molecules. These molecules form important components of a living cell and constitute most of its dry weight. These macromolecules are mostly obtained from the food we eat which is broken down into nutrients which are these organic molecules.
They are also called biomolecules. Carbohydrates are energy sources made of sugars. They are broken down into glucose which is required for cellular respiration to produce energy.
Proteins perform various functions including structural, regulatory, protective etc. Lipids are non-polar compounds that store energy for the long term in the form of fats in our bodies. Nucleic acids are hereditary biomolecules that pass on traits from one generation to another.
Therefore, the correct options are A, B, E and F.
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Describe the effect of increased carbon dioxide concentration on blood pH
Answer:
As it combines with water, it forms carbonic acid, making the blood acidic. So CO2 in the bloodstream lowers the blood pH. When CO2 levels become excessive, a condition known as acidosis occurs. This is defined as the pH of the blood becoming less than 7.35
The increase in the carbon dioxide concentration on blood pH leads to the condition known as Acidosis.
What is the normal blood pH?The level of normal blood pH in humans significantly ranges from 7.35 to 7.45 on a pH scale. It is considered neutral but experimentally it is slightly basic in nature.
As the concentration of carbon dioxide in the blood increases, the carbon dioxide in the presence of water forms carbonic acid which lowers the blood pH from 7.35.
This reduction in blood pH is known as acidosis. This is caused by the overproduction of acid within the body due to excessive concentration of carbon dioxide in the blood's pH. Acidosis leads to feeling fatigued, lethargic, muscle aches, etc.
Therefore, the concentration of carbon dioxide on blood pH negatively harms the health of an individual.
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Which of the following statements about the causes of mental illness is NOT true?
O It is not caused by poverty.
O It is not the result of personal weakness or deficits in personality.
O Experiences a person has as a child play no role in causing mental disorders.
It is not the consequence of poor parenting or bad behavior.
Answer:
experiences a person has as a child play no role in causing mental disorders.
Explanation:
because one person have to act as his/her age level.
The statement that is NOT true experiences a person has as a child play no role in causing mental disorders, the correct option is (c).
Childhood experiences can significantly influence mental health outcomes. Adverse experiences like abuse, neglect, trauma, or dysfunctional family environments can have long-lasting effects on an individual's psychological well-being. Research shows that these negative experiences can increase the risk of developing mental disorders later in life, such as anxiety, depression, and post-traumatic stress disorder.
Early intervention and support are crucial in addressing the impact of childhood experiences on mental health. Understanding and addressing these underlying factors can help individuals cope with their conditions and work towards recovery. Recognizing the role of childhood experiences in mental illness highlights the importance of a holistic approach to mental health care, emphasizing prevention and early intervention, the correct option is (c).
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The complete question is:
Which of the following statements about the causes of mental illness is NOT true?
a. It is not caused by poverty.
b. It is not the result of personal weakness or deficits in personality.
c. Experiences a person has as a child play no role in causing mental disorders.
d. It is not the consequence of poor parenting or bad behavior.
What is the basic unit of structure and function of all living organisms?
O mitochondrion
ODNA
nucleus
cell
Answer:
Cell
Explanation:
The cell is the basic unit of allllllll life on Earth. It is also the smallest thing that can still be considered 'living'. All the other choices (mitochondrion, DNA, and nuclelus) are parts of a cell, but can't be living structures on their own.
Have a nice day. Feel Free To Ask Questions. Spread The Love.
You have been identifying the sequence of a segment of a protein. The sequence to date is: leucine-methionine-tyrosine-alanine-glutamine-lysine-glutamate. You insert arginine between the leucine and methionine. What effect would this have on the segment
Answer:
Inserting arginine places a positively charged amino acid in a portion that is non-polar, creating the possibility of a hydrogen bond in this area.
Explanation:
Inserting arginine places a positively charged amino acid in a portion that is non-polar, creating the possibility of a hydrogen bond in this area.
What are amino acids?The amino acids are the basic building blocks of the protein nutrient. They are made up of amino group (―NH2), an acidic carboxyl group (―COOH), and an organic R group.
An asymmetric center is the carbon atom that is bonded by four different molecules.Among all the amino acids, the ones that have more that one asymmetric center include the isoleucine and threonine.
Of all the types of amino acids listed above, isoleucine and threonine are the two amino acids that have more than one asymmetric center.The sequence to date is: leucine-methionine-tyrosine-alanine-glutamine-lysine-glutamate. You insert arginine between the leucine and methionine.
Therefore, Inserting arginine places a positively charged amino acid in a portion that is non-polar, creating the possibility of a hydrogen bond in this area.
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SOMEONE ANSWER PLEASE!
As a group, you and three other students must make a presentation on an animal. Which option is the best example of your group coming to a consensus on the presentation topic?
A) A group member is selected as the team leader and the team leader chooses the presentation topic.
B) The group cannot agree on what animal to choose so your teacher chooses your presentation topic.
C) The group writes options on slips of paper, puts them in a hat, and the paper that is selected will be the presentation topic.
D) Each member gets a vote and the animal with the most votes will be the presentation topic.
please help, i'm really confused!
Answer:
option (D) is the best according to me
Royal jelly is fed continuously to the queen bee for six days. Why?
hey mate here is your answer
Explanation:
because This type of feeding triggers the development of queen morphology, including the fully developed ovaries needed to lay eggs
When a fan is moving is convection, conduction, or raditation, and WHY?
Answer:
Moving of fan is convection.
The faster moving air from the fan displaces the warmer air that is in direct contact with our skin. This enhances the rate of convective heat transfer, which means we feel cooler.
How many body sections do insects have?
a.
one
b.
two
c.
three
d.
four
Explanation:
Option C answer is 3 three
Answer:
insects have three body sections
1. Briefly describe the early discoveries that led to our
understanding of the human body.
Answer:
Found better working form in healthy body than in sick body, Tried different methods to reinstate healthy body trial and error, observation of symptoms, dissection to learn about anatomical structure
Explanation:People where weird back then ok
Last electron level that has an electron in it.
Group of answer choices
Valence Level (Shell or Cloud)
Atom
Electrons
Atomic Symbol
Answer:
Option 1
Explanation:
Valence shell/level/cloud is the last shell that has any electron(s) in it. It is usually called the outermost shell.
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Hope this helped!
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When a sodium atom loses an electron to a chlorine atom and a molecule of sodium chloride is formed this is an example of the formation of what type of compound?
It's called a _______________ compound.
Answer:
Ionic compound
Explanation:
This is because Na which is a positive ion transfers an electron to CL which is a negatively charged atom to form a compound
which part of a flower has pollen grain?
Can anyone help me with this?
Answer:
usiajao
Explanation:
Nucleic Acids contains phosphorus
O True
O False
Answer:
True
Explanation:
Phosphorus is the only element that is identified with nucleic acids.
What are the similarities between modern and traditional technology
Answer:
A traditional technology is technical
advances upon which something else is
added to expand it . For example,
farmers have been using powered plows
since the steam engine. However,
modern technologies have built upon
the basic structures, purposes, and
functioning of the plow.
Explain how political aspect of a country affect health population and environment?
Answer:
Relationship of political aspect with health, population and environment: Political aspect includes the policies formulated by different administrative sectors and government. The population policies, health policies and environment policies are approved in the parliament.
hope this helpsExplanation:
10. Which of these statements is correct about the circulatory system?
It transports hormones
Capillaries have thicker walls than veins Systemic circulation carries blood to and from the lungs
All are true
Answer:
all are true mark brainleast plz pleasepls answer this guys
Answer:
D.None of the Above
Explanation:
Hope it helps you
(Its actually Physical Science)
Which two elements in the list would bond together based on their ionic charges?
A. calcium and potassium
B. potassium and neon
C. potassium and iodine
D. calcium and neon
Answer:
It's C. Potassium and iodine
The two elements in the list that would bond together on their ionic charges is potassium and iodine. The correct option is C.
What is ionic bond?Ionic bond, also known as electrovalent bond, is a type of linkage formed in a chemical substance by the electrostatic attraction of ions with opposite charges.
When the valence (topmost layer) electrons of one atom are indefinitely transmitted to another, a bond is formed.
The complete transmission of valence electron(s) among both atoms is referred to as ionic bonding.
It is a chemical bond that produces two opposing ions. The metal loses electrons in ionic bonds to become a positively charged cation, meanwhile the nonmetal chooses to accept those electrons to become a negatively charged anion.
Ionic bonds are formed by potassium iodide (KI). Iodine and potassium have very divergent electronegativities.
Since ionic bonds form between atoms with a large difference in electronegativity, the two atoms would form an ionic bond.
Thus, the correct option is C.
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How bioplastics are different from ordinary plastics?
Answer:
bioplastics are Bioplastics are plastics materials produced from renewable biomass sources whereas plastics are are derived from petroleum or natural gas.
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Pretest: Unit 1
John is testing the effect of temperature on the solubility of sugar in water,
He organized data about his experiment in the following table:
Group A
Group B
Group
Volume of water 100 ml
Temperature
25°C
90°C
5°C
1000 g
Initial mass of
sugar
Final mass of
sugar
Which of the following would be the best volume of water to use in Group B?
Final mass of sugar
Group A
- Which cell structures are similar in the way they protect, support, and hold the other
organelles together?
A. Cell Wall, cytoplasm, and lysosomes
B. Cell membrane, cytoplasm, and ribosomes
Answer:
A
Explanation:
cell wall - protection against mechanical
cytoplasm - provide a platform which organelle can operate within the cell
lysosomes - helps cells to self destruct
Both complex carbohydrates and lipids can provide energy to your body as they are broker
down. However, only carbohydrates are broken down into which of the following subunits?
A sugars
B amino acids
C nucleotides
D fats
Answer:
A
Explanation:
Carbohydrates give the body energy to go about your day’s mental and physical tasks. Digesting or metabolizing carbohydrates breaks foods down into sugars, which are also called saccharides. These molecules begin digesting in the mouth and continue through the body to be used for anything from normal cell functioning to cell growth and repair
Both simple and complex carbohydrates break down into glucose (aka blood sugar). A simple carb is one that’s comprised of one or two sugar molecules, while a complex carb contains three or more sugar molecules.
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Energy needed for chemical reactions in the body is provided by the breakdown of
RNA, ATP, ADP, OR DNA?
The energy needed for chemical reactions in the body is provided by the breakdown or hydrolysis of ATP.
What is ATP?Adenosine triphosphate (ATP) is a higher energy molecule that is used to carry out cellular functions by breaking down their phosphate bonds.
ATP is produced in the body by means of a process known as cellular respiration and serves to carry out different metabolic functions (e.g., growth, reproduction, etc).
The hydrolysis of high-energy phosphate bonds present in the ATP molecule is required to perform many different physiological processes in multicellular organisms.
In conclusion, the energy needed for chemical reactions in the body is provided by the breakdown or hydrolysis of ATP.
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To reproduce, female elephants produce eggs and male elephants produce sperm. Offspring are produced by the fusion of an egg with a sperm cell. Which statement is true about the offspring?
A.
The offspring are genetically identical to the parents because they are produced by sexual reproduction.
B.
The offspring are genetically identical to the parents because the egg and sperm are both diploid.
C.
The offspring are genetically distinct from the parents because they are produced by sexual reproduction.
D.
The offspring are genetically distinct from the parents because the egg and sperm are both diploid.
c.The offspring are genetically distinct from the parents because they are produced by sexual reproduction.
Explanation:
because they are produced by sexual reproduction.