The outcome when two elements are chemically combined is a compound and is based on different types of bonds.
What is a Compound?This is referred to as a substance which is formed as a result of the combination of two or more elements through the various types of bonding. There are various types of bonding processes and they include electrovalent, covalent etc which have their unique properties and technique.
An element needs to achieve a stable octet configuration which is why they donate or accept electrons. An example of a compound is Calcium chloride which is formed from the reaction between the elements Calcium and chlorine.
The Calcium donates one electron each to two atoms of chlorine which accepts it and forms the compound named above thereby making it the correct choice.
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Based on structure, in what way do DNA molecules differ from RNA molecules?
a. RNA contains the base uracil, DNA does not contain uracil
b. DNA is composed of two chains of nucleotides; RNA is composed of three chains of nucleotides
C. RNA is helical; DNA is branched
d. DNA is composed of four different bases; RNA is composed of three different bases
Which of the following is an accurate description of a scientific law?
1. A limited explanation of a phenomenon.
2. A statement or description of an observed phenomenon.
3. Simple, basic observations that have been shown to be true.
4. An in-depth explanation of the observed phenomenon.
A scientific law is basically a statement or description of any observed phenomenon. It is based on a natural phenomenon or principle. Thus, the correct option is B.
What is Scientific law?A scientific law is a basic principle, generalization, that holds true universally under the particular conditions. Scientific laws are developed from the facts or developed mathematically to explain and predict individual occurrences of any natural phenomenon or principle.
An important example of a scientific law is Newton's Second Law of Motion which states that acceleration (a) happens when a force (F) acts on an object's mass (m).
The equation for this law is F = ma.
Therefore, the correct option is B.
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both the mass and volume of a substance must be used in calculating its
A substance's mass and volume must be taken into account when determining its density.
What is the relationship between a substance's mass and volume known as?mass per unit volume of a solid substance; density. The most popular density measurement is grams per cubic inch.
Which technique can we use to calculate the substance's mass or volume?A balance may be used to measure mass for both solids and liquids; however, separate techniques must be employed for solids and liquids to calculate volume. Glassware, like a graduated cylinder as well as a volumetric flask, can be employed to measure the volume of a liquid since liquids can flow and adopt the geometries of their vessels.
What connection exists between mass volume as well as density as a characteristic of matter?Mass and volume have a direct relationship with density. In fact, it explains how precisely the two are related to one another. By dividing an object's mass by volume, we may get its density. It would be considered to be of low density if the mass had a high volume but a tiny mass.
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The diagram below shows the formation of the disaccharide maltose, which occurs when two molecules of glucose undergo a dehydration reaction:
Image depicts two molecules of a glucose undergoing a dehydration reaction to form a molecule of maltose and water.
a. Describe the composition of carbohydrates and explain why they are a necessary part of your diet.
b. Describe how the maltose would be affected if the subcomponents were joined by 1–6 linkages instead. Predict how this might affect the function of the resulting molecule.
a) Carbohydrates release energy when broken down to glucose.
b) The molecule would be more easily broken down to release energy.
What is dehydration?The term dehydration depicts a type of reaction in which there is the loss of a water molecule in the process. Let us recall that the glucose molecules does have a lot of hydrogen and hydroxyl groups which could participate in a dehydration reaction. In this case, we can see from the image attached that the dehydration occurs at the 1,4 - positions of the two glucose molecules such that we now have maltose and water. The maltose is a disaccharide having been composed of two glucose molecules.
a) Carbohydrates are important because they are composed of glucose which could be broken down in order to release the energy that the body requires to carry out its functions.
b) If the subcomponents of the maltose were joined at the 1,6 - positions, the breakdown of the disaccharide would be easier for the enzymes that promote the process to carry out and thus make the maltose a ready source of energy.
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Question 21 (1 point)
In a career pathway, you can start working in a lower level job and with more
and _____________ you can move up in that pathway.
In a career pathway, you can start working in a lower level job and with more and education and experience, you can move up in that pathway.
What is the importance of education?The security that education offers to your existence is something that nobody could ever take away. To be well and earning a college degree improves your chances of obtaining better employment opportunities and expands your career opportunities.
What benefits may you expect from education?Due to more accurate medical beliefs and knowledge, as well as improved skills and more self-advocacy, education can also lead to better lifestyle options. Education boosts literacy abilities, cultivates helpful habits, and sharpens cognitive abilities.
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A ________
is harmed in a
parasitic relationship.
A. parasite
B. predator
C. host
Answer:
C) host is a right answer.
The host is the organism that is harmed by the other. Parasites are defined as organisms that live in or on another organism (host) and benefit at the host's expense.
Which TWO processes involved in a biogeochemical cycle cause atoms of
elements to be recombined into new molecular products?
A. Percolation
B. Cellular respiration
C. Combustion
D. Evaporation
Answer:
cellular respiration and combustion
Explanation:
combustion is hydrocarbons and oxygen combining to make carbon dioxide and water
cellular respiration is c6h12o6 -> 6co2 + 6h2o + atp
for both of these the product is made by recombining the reactants atoms
Which of these is found in an
ecosystem?
A. only non-living parts
B. only living organisms
C. both living organisms and non-living parts
Answer:
both living organisms and non-living parts
Explanation:
Rocks, water, and dead plant and animal matter are non living.
Plants and animals that are alive are living organisms :)
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What is a sister chromatid?
1. half of a duplicated chromosome
2. a complete duplicated chromosome
3. an irregularly divided chromosomes
4. a full-sized singular chromosome
The variety and number of species that inhabit a particular area isO biodiversityO ecologyO sustainabilityO population
The variety and number of species that inhabit a particular area is called biodiversity.
What is the mass of the nucleus?
Answer:
A nucleus consists of Z protons and N neutrons. Let the mass of the nucleus be M (Z, N ).
what’s the correct answer answer asap for brainlist
Answer:
D. larynx. It is also the area of the throat containing the vocal cords and used for breathing, swallowing, and talking.
Explanation:
Hope it helps! =D
Which of the following is true?
a. An organ system is least vulnerable to the effects of a teratogen when it is developing rapidly.
b. The effects of a teratogen do not appear to be related to the "dose" received.
c. The quality of a postnatal environment has little impact on the effect of a teratogen.
d. The genetic makeup of a fetus can influence the impact of a teratogen.
The effects of a teratogen may vary depending on the genetic make-up of the fetus. Alcohol and smoking are two of the most common preventable causes of birth defects and developmental disabilities
What is a known teratogen?Teratogens are any substances that, when ingested by a pregnant person, impair the development of the fetus. Alcohol, smoking, toxic chemicals, radiation, viruses, some maternal health conditions, and specific prescription drugs are known teratogens.
A teratogen is a substance that can harm a developing fetus by causing abnormalities or birth defects. Some medications, illicit drugs, tobacco, chemicals, alcohol, certain infections, and in some cases, uncontrolled health issues in the expectant parent are examples of common teratogens.
Alcohol and smoking are two of the most common preventable causes of birth defects and developmental disabilities. The fetus and the baby are significantly impacted by alcohol use during pregnancy. Alcohol can travel from the mother's bloodstream to the fetus through the placenta.
Therefore, the correct answer is option d. The genetic makeup of a fetus can affect the result of a teratogen.
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I need help, please :)
Answer:
C. Atom Y
Explanation:
when calculating charge, the "Number of Neutrons" doesn't matter because neutrons have no charge. (so you can ignore the neutrons section for this question)
also, protons have a positive charge, and electrons have a negative charge
to solve this problem, add the charges of the protons and neutrons together to see if the number ends up positive (because question is looking for positive charge)
for Atom W: [tex]3+(-3) = 0[/tex], so no, this isn't the answer. 0 is neutral charge
for Atom X: [tex]53 + (-53) = 0[/tex], this isn't the answer either. 0 is neutral charge
for Atom Z: [tex]1+(-1)=0[/tex], nope, 0 is neutral charge
for Atom Y: [tex]55+(-54) = 1[/tex], yay this is it, 1 is positive which indicates positive charge.
therefore, C. Atom Y is the answer
Two factors that increase a
population are...
A. deaths and emigration.
B. births and deaths.
C. births and immigration.
The image shows the rate of an enzyme reaction under conditions of no inhibition, competitive inhibition, and noncompetitive inhibition as reactions labeled uninhibited, A, and B. Which of the following best explains what has occurred in the enzyme reactions?
Reaction B shows competitive inhibition, where increased substrate competes with inhibitors for the active site.
Reaction A shows noncompetitive inhibition, where increased substrate competes with inhibitors for the active site.
Reaction A shows competitive inhibition, where increased substrate does not affect the enzyme’s binding with the inhibitor.
Reaction B shows noncompetitive inhibition, where increased substrate does not affect the enzyme’s binding with the inhibitor.
The option that best explains what has occurred in the enzyme reactions is option C: Reaction A shows competitive inhibition, where increased substrate does not affect the enzyme's binding with the inhibitor.
What occurs when a non-competitive inhibitor inhibits an enzyme?Instead of affecting how much substrate binds to the enzyme, this kind of inhibition slows down the enzyme's rate of turnover. Instead of being stopped, the reaction is said to be one that is slowed down.
Therefore, the act of increasing the substrate will not be able to also increase the non-competitive inhibition. Hence option C is correct.
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CAN U HELP ME PLEASE
Fossil sea animals have been found in the rocks of high mountains.
The most likely explanation for this is
A. some sea animals lived on land.
B. some sea animals could breathe air
C. these rocks were pushed above sea level after their formation.
D. sea animals had migrated onto land
E. ancient mountain plants looked like sea animals of today.
Researchers want to study behaviors in lions. They
observe the social interactions of various groups of lions
living in zoos.
What are two limitations of this model?
The limitation in the behavior of lions is that the lions living in a group called a pride , in which lions have strong bond and do not accept a stranger.
What is pride and how lions behave in social lion group?A study showed that most of the lions living and sharing same geographical area have friendly behavior.Pride is a group of lions in which lions interact with each other and share a close bond and do not accept a stranger.A pride comprises of total thirty lions at max , above which pride is not a group .Behavior like liking , meowing is amongst the friendly behavior lion shows towards other lion.The female lions defends the cub , comparatively to the father of the cub.To know more about lions visit:
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what element is in ribose that is not in adenine?
Answer:Nitrogen
Explanation:Adenine is one of the four nitrogenous bases while Ribose is one of the two sugars (carbohydrates) that make up a nucleotide
Which of the following is a way
that competition can be reduced
between two species living in the
same area?
A. The two species can eat the same food.
B. One of the species moving to a new location.
C. One species must become extinct.
identity the stomata components. record your answer under “ slide 2” on your lab report: phloem, stoma, xylem, dermal, guard cells, ground, vascular
The stomata componebts are a) Subsidiary cell and b) Stomatal pore
Stomata are the tiny openings present at the epidermis of leaves. We can see stomata under the mild microscope. In some of the vegetation, stomata are present on stems and different components of plants. Stomata play an crucial position in gaseous alternate and photosynthesis.
What system is stomata?
Via photosynthesis, they use sunlight and carbon dioxide to make food, belching out the oxygen that we breathe as a byproduct. This evolutionary innovation is so relevant to plant identity that almost all land flora use the identical pores — known as stomata — to take in carbon dioxide and launch oxygen.
The stomata was discovered by using Julien Joseph Vesque.
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Which of the following are the 3 Challenges of Life? (GIVING BRAINLIEST)
A: Loss, Failure, Setbacks
B: Finding Food, Reproducing with the right mate, Excreting at the right place and time
C: Obtain energy, Produce offspring, Maintain structure and stability (homeostasis)
D: Disorganization/feeling overwhelmed, Eating right and staying healthy, Failing to manage money
Answer:
A
Explanation:
is the answer cause it's what life is
Describe each phase below. Make sure to list how much DNA is present. (ex. 23 pairs of chromosomes, 23 single chromosomes, 46 chromosomes)
Thank you to whoever helps!!
Biology is not my best subject.
Mitosis :-
Number of chromosomes in prophase of mitosis is 46.
Number of chromosomes in prometaphase of mitosis 46.
Number of chromosomes in metaphase of mitosis is 46.
Number of chromosomes in anaphase of mitosis is 46.
Number of chromosomes in telophase of mitosis is 46.
Number of chromosomes in cytokinesis of mitosis is 46.
Number of chromosomes in end result of mitosis is 46.
Meiosis I :-
Number of chromosomes in prophase of meiosis I is 46.
Number of chromosomes in prometaphase of meiosis I is 46.
Number of chromosomes in metaphase of meiosis I is 46.
Number of chromosomes in anaphase of meiosis I is 46.
Number of chromosomes in telophase of meiosis I is 23.
Number of chromosomes in cytokinesis of meiosis I is 23.
Number of chromosomes in end result of meiosis I is 23.
Meiosis II :-
Number of chromosomes in prophase of meiosis II is 23.
Number of chromosomes in prometaphase of meiosis II is 23.
Number of chromosomes in metaphase of meiosis II is 23.
Number of chromosomes in anaphase of meiosis II is 23.
Number of chromosomes in telophase of meiosis II is 23.
Number of chromosomes in cytokinesis of meiosis II is 23.
Number of chromosomes in end result of meiosis II is 23.
Meiosis is a unique type of mobile department of germ cells in sexually-reproducing organisms that produces the gametes, which includes sperm or egg cells. It includes two rounds of division that in the end bring about 4 cells with only one reproduction of each chromosome.
In cellular biology, mitosis is part of the cellular cycle wherein replicated chromosomes are separated into two new nuclei. Cellular division via mitosis gives upward thrust to genetically same cells in which the overall variety of chromosomes is maintained. Consequently, mitosis is likewise referred to as equational department.
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4. A scientist determined the rate of an enzyme-catalyzed reaction by measuring the amount of product formed over time. The
following curve was generated from the data collected. What is the most likely explanation for the change in the slope of the line
between 4 and 6 minutes?
Product ( moles)
9
20+
123456
Time (minutes)
A. The enzyme had denatured.
B. A large amount of the substrate had been consumed.
C. An allosteric inhibitor appeared.
D. There was a dramatic change in the pH.
The most likely explanation for the change in the slope of the line
between 4 and 6 minutes is that a large amount of the substrate had been consumed. Also the rates are the same at 1 minute and at 2 minutes .
What is substrate?The molecule that an enzyme reacts with is known as the substrate in biochemistry. Catalyzing chemical reactions involving the substrate is done by enzymes (s). In the case of a single substrate, the substrate forms a bond with the enzyme's active site, resulting in the formation of an enzyme-substrate complex. The surface on which an organism (such as a plant, fungus, or animal) lives is referred to as a substrate. Animals, biotic or abiotic materials, and both can make up a substrate. An animal that lives on top of encrusting algae on a rock, for instance, may use the algae as its own substrate. Substances that the enzymes react with are referred to as substrates in biochemistry. The foundation to which an immobile substance is bonded is referred to as the substrate in ecology.
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Mitosis is a type of cell division. Organize the images below to show the steps of mitosis.
The steps of mitosis in the correct order as shown in the attached image is:
F, E, C, G, H, A, D, and BWhat is mitosis?Mitosis refers to the process of cell division in which two daughter cells are produced from a single parent cell.
During mitosis, the cell and its contents are divided into two. The chromosomes are also duplicated to ensure that the number of chromosomes in each daughter cell is diploid.
The steps of mitosis are as follows:
interphase,prophase,prometaphase,metaphase,anaphase, andtelophaseInterphase: this stage is composed of the first cell growth phase, G1, an S phase involving DNA synthesis, and the second cell growth phase, G2.
Prophase: here, centrioles move apart, chromatin is condensed and chromosomes become visible.
Metaphase: chromosomes separate to the equators.
Anaphase: sister chromatids separate and move to the opposite poles of the cell.
Telophase: sister chromatids become new chromosomes, centriole pairs form outside each of the nuclei.
Cytokinesis occurs and then the genetic material of the new daughter cells is no longer condensed.
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Angela was instructed on a test to make an analogy, or comparison, for polymers. She writes four examples of how polymers are like pearl necklaces. She has many parts to this analogy that make sense, but one part of her analogy does not fit.
Which is the most likely error in her analogy?
The pearls are like monomers.
The thread that connects the pearls is like an ionic bond.
The entire necklace is like a polymer, or macromolecule.
Stringing the beads onto the thread is like polymerization.
ASAP
The most likely error in the analogy of Angela about polymers is that: The thread that connects the pearls is like an ionic bond.
Polymers are the organic compounds that are made from same or different kind of smaller units called monomers. If the monomers are of same type, it is a homopolymer and if the monomers are of two or more types than it is a heteropolymer.
Ionic bonds are formed between an electropositive and an electronegative atom. The atom that gains electron in a bond is electronegative and the atom that loses electron is called electropositive. Ionic bonds are very rare in polymers. Polymers are mainly composed of covalent bonds, hydrogen bonds and Van der Waals forces.
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Summarize at least 2 advantages of CRISPR.
CRISPR is simple and powerful compared to the rest of technologies used for editing genome. It is simple because it has the ability to point the definite DNA sequences which is facilitated by an easy to synthesize regulated strand of RNA. It is powerful because it let on an immediate target and remove and improve all deterioted DNA sequence present in a gene.
Answer: See Below
Explanation:
1. CRISPR utilizes a guide RNA (gRNA) that directs the function of a CRISPR protein effector to a specific target gene of choice, providing a versatile programmable platform. The targeting sequence of the gRNA is ~20bp therefore off-target genome editing is less common making it advantageous over most other restriction endonucleases.
2. CRISPR has increased versatility in many aspects and allows for a wide variety of applications in terms of genome editing. For example, The nickase version of the Cas protein induces only a single stranded cut thus opening up opportunities for altered editing. The Cas12a or Cpf1 version of the Cas protein cuts to form 5' sticky ends. And finally for the last example, the Cas protein has been bound to a reverse transcriptase and has shown efficacy in a technique called "Prime Editing" which has an altered gRNA that provides a primer binding site and template for full base insertions, deletions, and combinations of the two.
The production of APP in a neuron. APP is represented by the triangles.
Using Figure 1, label the following: neuron, nucleus, rough ER, Golgi, transport vesicles, APP, and exocytosis.
1) Labelled image in the attached files. 2) mRNA synthesis occurs in the nucleus. Protein synthesis begins in the cytoplasm and ends in the RER, where folding and the first glycosylation stage occur. In the Golgi complex, glycosylation is over, proteins are packaged into vesicles and sent to the membrane, from where they are released by exocytosis.
What is protein syntesis?Protein synthesis is the process through which new proteinic molecules are porduced. It involves transcription, translation, and maturation.
Transcription ⇒ mRNA synthesis
The first step before protein synthesis begins is to synthesize messenger RNA, mRNA. This is the coping process of the DNA section for the desired protein, and it happens in the nucleus.Translation ⇒ Cytoplasm stage
Translation takes place when the formed mRNA moves to the cytoplasm through the nucleus membrane pores.
Once in the cytoplasm, mRNA meets a ribosome, which can be found in the rough endoplasmic reticulum or floating in the cytosol.
While the ribosome reads mRNA strain, tRNA adds the correct amino acids to build the polypeptide.
Maturation process
⇒ Endoplasmic Reticulum Stage
Some proteins are destined for exportation. Their synthesis starts in the cytoplasm but finishes in the Rough endoplasmic reticulum.
When the ribosome and the growing molecule reach the RER, the synthesizing protein keeps enlarging forward the reticulum lumen. When the new polypeptide synthesis is complete, it is released into the reticulum lumen.
The endoplasmic reticulum is in charge of protein folding, maturation, and transport, especially those destined for secretion. It produces the latest protein modifications after transduction and initiates the glycosylation process.
⇒ Golgi complex stage
Once the protein synthesis in the endoplasmic reticulum is over, these molecules are packaged into vesicles and sent to the Golgi complex.
In the Golgi complex, proteins suffer their final association with carbohydrates and lipids to originate glycoproteins and glycolipids.
⇒ Destiny stage
Glycoproteins and glycolipids are packaged again into new vesicles that drive them to their final destiny.
Exportation proteins move forwared to the membrane within vesicles. Through exocytosis events, these molecules are released.
1) You will find the labelled figure in the attached files.
2) Steps of production and movement of PPT
mRNA synthesis occurs in the nucleus. Protein synthesis begins in the cytoplasm and ends in the RER. Protein folding and the first glycosylation stage occur in the RER. In the Golgi complex, glycosylation is over, and proteins are packaged into vesicles and sent to the membrane. Once in the membrane, proteins are released by exocytosis.You will learn more about protein synthesis at
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What is the result of a cell that undergo division by meiosis
Which of the following do not play a role in intracellular movement?
a. microfilaments and intermediate filaments
b. only intermediate filaments.
c. intermediate filaments and microtubules
d. microfilaments and microtubules
(b) only intermediate filaments do not play a role in intracellular movement.
Intracellular movement is the motion of systems like organelles in the cell. It's miles distinguished from transcellular and paracellular motion, which pertain to transport throughout a cellular membrane.
Intracellular shipping is the motion of vesicles and substances inside a mobile. Intracellular shipping is required for maintaining homeostasis inside the cell by using responding to physiological signals.
Microtubules characteristic as tracks inside the intracellular shipping of membrane-sure vesicles and organelles. This process is propelled via motor proteins which includes dynein. Motor proteins join the delivery vesicles to microtubules and actin filaments to facilitate intracellular motion.
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