Answer:
Having high blood pressure and heart attacks
Explanation:
Which of these following correctly describes a way in which earth’s atmosphere interacts with the hydrosphere?
Answer:
water
Explanation:
Developing a new vaccine takes about 5-10 years. So how is it possible to develope Corona vaccine so quickly?
Answer:
vaccines were designed by using new technologies (i.e., RNA-based vaccines and adenovirus-based vaccines)
Explanation:
RNA-based vaccines are vaccines based on the delivery of specific messenger RNA (mRNA) sequences that are capable of encoding only one viral protein, thereby preventing the complete viral cycle/replication. Subsequently, this protein is recognized by the immune system that generates memory immunity by synthesizing specific antibodies against this protein (in this case, the spike S protein). On the other hand, adenovirus-based vaccines are vaccines designed by inserting a transgene cassette into an adenovirus which is used as vector to produce one specific viral protein inside the host. Like mRNA vaccines, this antigenic viral protein is then recognized by the immune system in order to produce antibodies against a defined protein epitope, thereby producing memory immunity.
adhesion of cells within animal tissues is accomplished by cell-to-cell junctions called
Adhesion of cells within animal tissues is accomplished by cell-to-cell junctions called tight junctions, adherens junctions, desmosomes, and gap junctions.
These junctions provide structural support and facilitate communication and transportation of molecules between cells, contributing to the proper function and organization of tissues. This content loaded adhesion of cells is crucial for maintaining tissue integrity and preventing the spread of diseases or infections. Gap junctions are collections of intercellular channels that allow ions and tiny molecules to move directly between cells. Gap junctions are found connecting nearly all cells in solid tissues and were first identified as low-resistance ion channels interconnecting excitable cells (nerve and muscle).
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Could someone help me plz
What muscle type is located in blood vessels?
a
cardiac muscle
b
striated muscle
c
skeletal muscle
d
smooth muscle
Answer:
d.smooth muscle
Explanation:
Blood vessels contain only smooth muscle cells. These muscle cells reside within the tunica media along with elastic fibers and connective tissue
Answer:
d smooth muscle
Explanation:
Involuntary muscle that is found within the intestines, throat, uterus, and blood vessel walls.
Why do extra nitrates in lakes cause algae and plants to grow quickly?
Answer:
because nitrate is esensial for the growth of the plants and it helps the plant grow so more nitrates causes it to grow quicker
Explanation:
Algae, phytoplankton, and even plants in the water quickly absorb the nitrates and phosphates and grow to enormous quantities when there are excess nutrients present.
What is algae ?A broad and varied collection of photosynthetic eukaryotic organisms are collectively referred to as algae informally. It is a polyphyletic group that consists of species from various separate clades.
Nitrogen, which is required to create amino acids, can be found in nitrates. More nitrates equate to more nitrogen, which results in more proteins, and this, of course, aids in the growth and division of cells.
Nitrates are a source of nitrogen that plants use to produce the proteins necessary for proper growth. Through their roots, plants take in nitrates from the water. Fertilizers for plants contain significant amounts of nitrates. The amount of chlorophyll in leaves declines in the absence of nitrates.
Thus, Due to this, entire bodies of surface water may see algae blooms and layers of plant development.
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What were the mortality rates for enslaved africans once on a plantation?.
Answer:
Over 20% in the first decades of the slave trade and about 10% by 1800.
Explanation:
So many of them got diseases , depression and s3xual exploitation aswell as cruelty from the captain.
What happens as a result of convection currents in the earth's mantals
Answer:
Inside Earth, the convection of mantle material is thought to cause the movement of the overriding crustal plates, resulting in events such as earthquakes and volcanic eruptions.
Explanation:
Answer: Inside Earth, the convection of mantle material is thought to cause the movement of the overriding crustal plates, resulting in events such as earthquakes and volcanic eruptions.
Explanation: Think of paper on top of a flat plate. If you move the plate in various directions. The paper will also move, but it could be in the same, side to side or opposite direction the current is moving. When the crust or mantle moves. Stress is released causing earthquakes and volcanos erupting with magma from below the very ground you walk on.
Where does active transport take place in the nephron
it can be seen in the kidneys
fish live under the water
What can humans do to fix ocean acidification?
And what can a high schooler do to help ocean acidification?
Answer:
hope it helps....
Explanation:
Compost your waste; grow some of your own food and recycle. Conserve water. It takes lots of energy to pump, treat and heat water so saving water reduces greenhouse gas emissions. Watch what you pour down the drain and use eco-friendly products that break down.The most effective way to limit ocean acidification is to act on climate change, implementing solutions to dramatically reduce the use of fossil fuels. If we dramatically cut our global warming emissions, and we limit future warming, we can significantly reduce the harm to marine ecosystems.
Which of the following is NOT one of Darwin's 4 points of natural selection?
A) There is variation within a population.
B) There are traits that occur due to mutations.
C) There are more offspring produced than can survive.
D) The ones that survive have the favorable trait(s).
The statement that is not one of Darwin's 4 points of natural selection is that there are traits that occur due to mutations. Thus, the correct option for this question is B.
What is natural selection?Natural selection may be characterized as the methodology through which the populations of living organisms adapt and change themselves. Individuals in a population are naturally variable, meaning that they are all different in some ways.
There are four principles at work in evolution. They include variation, inheritance, selection, and time. These are considered the components of the evolutionary mechanism of natural selection. It also signifies more individuals are produced than can survive, there is, therefore, a struggle for existence, individuals within a species show variation, and offspring tend to inherit their parents' characters.
Therefore, the correct option for this question is B.
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A person is receiving oxygen. When measuring temperature, you cannot use the. A. Oral site. B. Rectal site. C. Axillary site. D. Tympanic membrane site.
When measuring temperature in someone receiving oxygen, the oral, rectal, and axillary sites cannot be used. Instead, the tympanic membrane, or ear canal, site should be used to measure the patient's temperature.
Correct option is A, B, and C.
The tympanic membrane site offers a reliable alternative to traditional temperature measurement sites. The tympanic membrane is located in the ear canal and has a thin, easily accessible surface. This site is not affected by external factors such as food, beverages, changes in the environment, or even oxygen levels. Therefore, the tympanic membrane is the best alternative for measuring temperature in someone receiving oxygen.
Additionally, the tympanic membrane site is particularly useful for those who are uncomfortable having their temperature taken in the traditional oral, rectal, or axillary sites. For example, infants and young children can be less cooperative when having their temperature taken in these areas, but the tympanic membrane site is a more comfortable approach.
Correct option is A, B, and C.
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Need help. brainliy to the first person that answers is right telling why
A famine relief effort is being mounted and there are three types of food bundles that can be flown out during each delivery. Bundle 1 has 4 kg. of flour, 4 kg. of sugar and 12 litres of water. Bundle 2 has 12 kg. of flour, 4 kg. of sugar and 4 litres of water and Bundle 3 has 8 kg. of flour, 8 kg. of sugar and 8 litres of water. The relief agency has 5200 kg. of flour, 3712 kg. of sugar and 6000 litres of water for each shipment. Bundle 1 can provide for 10 people between deliveries, Bundle 2 for 8 people and Bundle 3 for 11 people. How many bundles of each type should the relief agency send on each flight in order to maximize the number of people being fed. Do this problem by setting up a linear programming problem and determining the vertices of the feasibility set. Enter the number of bundles of types 1,2, and 3 (in that order) into the answer box below, separated with commas.
The relief agency should send 60 bundles of type 1, 100 bundles of type 2, and 150 bundles of type 3 on each flight to maximize the number of people being fed.
To solve the linear programming problem, we need to set up the constraints and objective function. Let's define:
x1 = number of bundles of type 1
x2 = number of bundles of type 2
x3 = number of bundles of type 3
The constraints are:
4x1 + 12x2 + 8x3 ≤ 5200 (constraint for flour)
4x1 + 4x2 + 8x3 ≤ 3712 (constraint for sugar)
12x1 + 4x2 + 8x3 ≤ 6000 (constraint for water)
The objective function is to maximize the number of people being fed, which is given by:
10x1 + 8x2 + 11x3 (number of people fed)
We can now solve this linear programming problem using the given constraints and objective function. The solution will provide the number of bundles of each type that should be sent on each flight to maximize the number of people being fed.
Using an optimization algorithm the optimal solution is:
x1 = 60 (number of bundles of type 1)
x2 = 100 (number of bundles of type 2)
x3 = 150 (number of bundles of type 3)
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The diagram below shows enzyme activity.
Drag and drop each image and label to correctly complete the diagram.
PLEASE HELP
When the enzyme comes into contact with the substrate, the both fit completely in an enzyme substrate complex.
How does enzymes work?Enzymes work via a lock and key model. This implies that substrate fits into a specific enzyme just as a key fits into a lock. This is possible because enzymes are specific in their action. Only one enzyme can catalyze a particular reaction.
As such, when the enzyme comes into contact with the substrate, the both fit completely in an enzyme substrate complex. At the end of the catalysis, the enzyme forms an enzyme product complex.
The product could now separate from the enzyme and the enzyme is now free to catalyze a new reaction.
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Answer:
image of the correct placement of answers
Explanation:
explain how natural selecin oacting on allele frequencies of a gene that controls body coloraiton can result in populations of 3 different species
Answer:
Answer below
Explanation:
Well when natural selection occurs, genes that don't benefit the speicies, or more accurately, harm it by ruining camoflague. Natural selection can result in one creature evolving into 3 different species when those creatures get put into different environments that promote genetic mutations that help them survive. After a long while of genetic mutations coming and going to adapt to their environment, those three members of the species are no longer the same species because they've all adapted to different environments.
which of the following has the greatest impact on direction of diffusion in a biological system? a. temperature b. pressure c. concentration gradient d. none of the above.
Answer:
a. temperature
One of the first explanations of evolution was put forth by a French biologist, Jean-Baptiste
Lamarck. He theorized that animals, in responding to different environments, adopted new
habits. Their new habits caused them to use some organs more and some organs less, which
resulted in the strengthening of the former and the weakening of the latter. New characters
thus acquired by organisms over the course of their lives were passed on to the next
generation. His theory proposed this process of use and disuse, repeated over many
generations, was how species evolved.
He was wrong. Why?
Answer:
Traits acquired during an organism's lifetime cannot be passed
Explanation:
The law of use and disuse of organs as postulated by Jean Lamarck was wrong due to the fact that environmentally acquired characters cannot be passed to offspring.
Changes to organisms that are not the level of the gene cannot be passed to the offspring. For example, a wrestler that got big muscles due to constant work out cannot pass big muscles to his offspring. The offspring will need to work out in order to have big muscles. This is because big muscles in the wrestler is environmentally acquired.
Only changes that happen to the genome of an organism (mutation) can be passed to offspring.
plz soonnnnnnnnn awncer this
Answer:
4 one answer
hope it helps
WILL GIVE BRAINLYEST
Introducing substances into
the air that may be harmful to living organisms or the environment is called
A) photolysis
B) eutrophication
C) air pollution
D) the chimney effect
E) entropy
Answer: C
Explanation:
Answer:
C
Explanation:
Explaination explaned
what is digestive syestem
Explanation:
Hey there!!!
The group of organs working together to bring a complex substances to simpler substances called digestive system.
It includes various organs, such as, mouth, stomach, small intestine, large intestine, etc.
Hope it helps..
A scientist seeking to study the complete genetic makeup of an organism would be studying the field of
A scientist seeking to study the complete genetic makeup of an organism would be studying the field of genomics.
Genomics is a field of biology that focuses on studying the complete set of genes, their functions, and their interactions within an organism's DNA. Genomics involves analyzing and interpreting large amounts of genetic data to gain insights into an organism's traits and behavior.
Advancements in genomics have allowed scientists to understand how genetic variations can lead to differences in disease susceptibility, drug response, and other important traits. Genomic research has also contributed to the development of personalized medicine, which tailors medical treatments to an individual's unique genetic makeup.
Genomics is a rapidly evolving field that has the potential to transform our understanding of biology and improve human health.
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what happens to the products of digestion after absorption?
The products of digestion after absorption is passed by the circulatory system to other parts of your body to store or for different types of uses.
What is Digestion?This is referred to as the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.
The circulatory system which comprises of the blood etc passes them on to other parts of your body to store or use through the help of special cells help absorbed nutrients cross the intestinal lining into your bloodstream.
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Water molecules have oppositely charged ends, + and -
These opposite charges allow for them to form covalent
bonds with other water molecules which is how water
droplets form. What is this called?
a) viscosity
b) polarity
c) density
d) surface tension
Answer:
polarity is the answer.
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SCIENCE QUESTION
Chloroplasts are organelles found only in plant cells. Why are chloroplasts not needed in animal cells?
Animals have bones for support and don't need rigid chloroplasts to provide structure.
Animal cells store DNA in the nucleus, not in chloroplasts like plants
Animal cells have ribosomes for protein synthesis, unlike plants which use chloroplasts.
Animals obtain energy from eating other things, not from photosynthesis.
Answer:
Animal cells have ribosomes for protein synthesis, unlike plants which use chloroplasts.
Explanation:
Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules in each chloroplast. Plants are the basis of all life on Earth.
Answer:
Explanation:
1:
Both animal and plant cells have mitochondria, but only plant cells have chloroplasts. Plants don't get their sugar from eating food, so they need to make sugar from sunlight. ... Because animals get sugar from the food they eat, they do not need chloroplasts: just mitochondria.
2.
The basic plant cell has a similar construction to the animal cell, but does not ... It does have additional structures, a rigid cell wall, central vacuole, ... namely xylem, which is involved in structural support and water conduction, ... to provide energy, particularly when light isn't available for the chloroplasts to produce energy.
3.
What structures does a plant cell have that an animal cell does not have? ... The centrosome is a region near the nucleus of animal cells that functions as a ... Vesicles and vacuoles are membrane-bound sacs that function in storage and transport. ... Like mitochondria, chloroplasts also have their own DNA and ribosomes.
4. Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant ... Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for ... Like mitochondria, chloroplasts also have their own DNA and ribosomes. ... The central vacuole also functions to store proteins in developing seed cells.
5. Animals cannot use radiant (light) energy in this way. They must ... What change had the plant made to ... However, Earth's atmosphere has not always contained oxygen gas. During ... form of glucose or they eat other animals that ate plants.
please help!!!!!! have a good day.
Answer:
its just the opposite letters g+c a+t or g+c and a+u
Explanation:
100 POINTS PLEASE ANSWER- the answer is not c or d CONFIRMED
The diagram illustrates the process of developing genetically modified corn.
What occurs at step 3 in the diagram?
The restriction enzymes cut the isolated DNA into fragments.
The gene of interest is inserted into an expression cassette.
The recombinant DNA is inserted into the host cell nucleus via a vector.
The expression cassette is inserted into a plasmid for cloning.
Answer:
B The gene of interest is inserted into an expression cassette.
Explanation: I hope this helps you.
(i believe this is the diagram that goes to the question)
The gene of interest is inserted into an expression cassette that occurs at step 3 in the diagram. Therefore, option B is correct.
How is genetically modified corn produced?The GMO corn Bacillus thuringiensis (Bt) produces proteins that are poisonous to some insect pests but not to humans, pets, or cattle.
The most popular bacteria for GM plants is known as Agrobacterium tumefaciens. The desired gene is introduced into the bacterium, and the bacterial cells then introduce the new DNA into the plant cells' genome. The successfully incorporated plant cells are then cultivated to produce a new plant. This is how genetically modified corn is produced.
Thus, step 3 in the process of developing genetically modified corn is the gene of interest inserted into an expression cassette. Therefore, option B is correct.
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Your question is incomplete, most probably the full question is this:
The diagram illustrates the process of developing genetically modified corn.
The diagram illustrates the process of developing genetically modified corn. What occurs at step 3 in the diagram?
The restriction enzymes cut the isolated DNA into fragments.The gene of interest is inserted into an expression cassette.The recombinant DNA is inserted into the host cell nucleus via a vector.The expression cassette is inserted into a plasmid for cloning.The image is attached below:
Example #1. Cross two individuals who are both heterozygous tall (Tt) and
red (R). The recessive traits are short and yellow in tomatoes.
Mother-
Father-
1. Write genotypes
2. Sort the alleles (FOIL);
3. Write these combinations on sides.
4. Combine the letters.
5. Phenotypic ratio
Answer:
1. Mother: TtRr Father: TtRr
2. RT, Rt, rT, rt
4. Possible combinations: RRTT, RRTt, RRtt, RrTT, Rrtt, RrTt, rrtt, rrTT, rrTt
(combine them on the chart, for example, the first one on the left would be RRTT)
5. 9:3:3:1
Explanation:
1. parents 1: TtRr parent 2: TtRr, 2. RT, Rt, rT, rt, 4. Possible combinations: RRTT, RRTt, RRtt, RrTT, Rrtt, RrTt, rrtt, rrTT, rrTt, 5. 9:3:3:1.
What is heterozygous?Heterozygous genotypes often have two variants of each gene. For instance, if you have one gene for tall height and one allele for dwarf you are heterozygous for that particular character.
When qualities are manifested, the effects of two alleles reveal their link. However, having two identical copies of a gene indicates you are homozygous for that gene.
Cross between TtRr X TtRr
Gametes produced RT, Rt, rT, and rt.
The cross is attached in the image below.
Therefore, in contrast to a heterozygous genotype, which has two significantly dissimilar alleles, this is typically the case.
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MIkhail is trying a new cookie recipe. He wants to see if the amount of baking powder he used will make the cookies rise more, He makes three batches of cookies and changes the amount of baking powder for each batch.
1.what is the independent variable?
2.what is the dependent variable?
3.what are 2 things that must remain constant for this experiment?
Answer:
Independent variable is the one that is being chanted, which is the baking powder,
Dependent variable is the variable affected by the change, which is if the cookies will rise more
2 things that must remain constant for this experiment, is the temperature of the room, and the baking powder (you could make these up, for example you could say they have to be made in the same environment, and so on)
Explanation:
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