Answer:
From 1945–1955 the development of penicillin, which is produced by a fungus, along with streptomycin, chloramphenicol, and tetracycline, which are produced by soil bacteria, ushered in the antibiotic age.
Explanation:
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what do you call an organism that has been genetically engineered to contain a gene from a different species?
Answer:
A transgenic, or genetically modified, organism is one that has been altered through recombinant DNA technology, which involves either the combining of DNA from different genomes or the insertion of foreign DNA into a genome.
Explanation:
Answer:
This would be called a transgenic or genetically modified organism.
Explanation:
A transgenic or genetically modified organism is one that has been altered through something called recombinant DNA technology. Which involves either the combining of DNA from different genomes or in another case the insertion of foreign DNA into a genome.
A process of transferring a fully established seedling from one place to another. What farm activity is this?
Answer:
Transplanting in your garden is another way of getting something planted or moved to the right place
what is the final electron acceptor of the photosynthetic electron transport chain?
So, this are the required information on it. ☺
A student uses gummy worms to model the process of mitosis. The model is shown below.
Using the model, which statement correctly explains how mitosis preserves genetic continuity?
A
The daughter cells receive chromosomes that are recombined from the parent cells.
B
The daughter cells receive chromosomes that are identical to the parent cell.
С
Each daughter cell receives half of its chromosomes from each of the parent cells.
D
Each daughter cell receives twice as many chromosomes as the parent cell.
Each developing daughter cell obtains one set of chromosomes when mitosis comes to a finish. Thus, option C is correct.
What is genetic continuity of Mitosis?
According to the definition of mitosis, a cell divides into two so that each has the same amount of DNA as the original cell by dividing its nucleus and DNA.
When a single cell divides into two cells through mitosis, genetic continuity occurs.
One cell divides into two during the process of mitosis, and each of the two progeny cells has the same amount of DNA as the parent cell.
As the cell divides through the cytokinesis process, the nuclear membranes come back. Mitosis maintains genomic stability throughout successive generations of cells in this manner.
Therefore, Each daughter cell receives half of its chromosomes from each of the parent cells
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which part of the brain receives messages from the hair-like receptors
Briefly explain the evolution of oxygen on earth.
Answer:
The answer is tiny organisms known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen. ... "What it looks like is that oxygen was first produced somewhere around 2.7 billion to 2.8 billon years ago.
Explanation:
Explain what is meant by the term antibiotic.
Explanation:
Any substance that inhibits the growth and replication of a bacterium or kills it outright can be called an antibiotic. Antibiotics are a type of antimicrobial designed to target bacterial infections within (or on) the body.
Which level of organization is shown in the diagrarn?
organ
0 tissue
organ system
O cell
Answer:
A. organ
Explanation: that is a kidney which is a organ, composed of cells making a tissue. It can't be tissue or cell then, and organ systems are multiple organs working together. so it's organ
the organs protected by the thoracic cage include the
Answer:
....heart and lungs
Explanation:
The organs protected by the thoracic cage include the heart and lungs
bread wheat is the example of hard wheat or soft wheat?
Answer:
hard red spring wheat
Explanation:
i just guess UnU
Answer:
The answer is hard bread
Explanation:
what are some of the functions of proteins in the body
Explanation:
The main building material in the body.
They are carriers of vitamins, hormones, fatty acids and other substances.
Provide the normal functioning of the immune system.
Provide the state of the "apparatus of heredity".
They are catalysts of all biochemical metabolic reactions of the body.
How can ciliated paramecium help each organism to survive?
During exercise, our body loses a lot of water. Why do people who exercise need to drink water before feeling thirsty?
Life lesson: Even when you get thirsty, contain yourself and most importantly don't fall for traps. You're better than that. Stay hydrated!
Suggest why the blood flows through many channels in the dialysis unit, rather than through a single large channel
Hello there I hope you are having a great day :)
Blood travels through many different channels to optimize absorption. The water potential in the solution in the dialysis machine will need to be less than in the blood. If all the blood flows through a single large channel the blood water potential may be more negative than outside, therefore slowing absorption.
the process of breaking glycogen down to glucose is an example of
Answer:
catabolism
Explanation:
Maple seeds spread so that new maple trees can grow.
Which way will these seeds most likely spread?
Answer:
Maple seeds travel on the wind by using their wings. The uneaten seeds will germinate some distance from the parent plant.
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Maple seeds are considered to be wind-pollinated.
These are very light seeds so they can easily transport by wind.What is the feature of seeds to disperse through winds?Lightweight.Silky hair.Wings. Seeds of plants like cotton, poppy and drumstick are dispersed by wind. Wind dispersed seeds have special adaptations which make their dispersal easier. They are light in weight. Some have wings that help them fly long distances.What are the methods through which dispersal of seeds take place?There are five main modes of seed dispersal:
Gravity, Wind, Ballistic,Water, Animals.To know more about seeds dispersal here
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What is the plasma (cell) membrane? What is its main function?
The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment.
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.
select all that would have the least impact on the rate of aerobic respiration?
Answer: In this lesson, we'll explore how different conditions affect the rate of cellular respiration in cells. We'll first review what cellular respiration is, and then explore how three factors affect it: temperature, glucose availability, and oxygen concentration.
Explanation: Hope this helps.
Acidic rainwater dissolving rock is an example of
A. oxidation
Bicarbonation
C.hydrolysis
D. salt wedging
Explanation:
oxidation bicarbonation
in a further experiment , the researchers add a compound to the cell growth medium that both binds and releases protons and also passes through lipid membrane membranes. predict the effect of this added compound on ATP production by the cells
Answer: I would need more context my good sir please tell me the full context and I’ll be able to give you full answer :)
Explanation:
Somebody help me please
Answer:
a
Explanation:
How does biotic carbon change to the abiotic form of carbon
Answer:
A balanced carbon cycle is essential. Carbon is a major component in carbohydrates, fats and proteins. The carbon cycle involves the exchange of carbon between living organisms (biotic) and their atmosphere (abiotic). In the carbon cycle, carbon is constantly removed from, and returned to, the environment.
Explanation:
Does carbon make up an amino acid?
Answer: Hope this helps!
Explanation:Amino acids are the monomers that make up proteins.
Answer:
carbon is a part of the amino acid formula, but it's not the only component :)
Explanation:
which molecules determine the tissue specificity of hormones?
Answer:
Steroids. Which molecules determine the tissue specificity of hormones? Receptors. Hormones bind to receptors on target cells and trigger a cellular response.
Explanation:
The tissue specificity of hormones is determined by hormone receptors. Proteins called hormone receptors are found on the cell surface. A hormone's binding to its receptor starts a chain of actions that eventually affects the activity of the cell.
For various hormones, different cells have various receptors. This implies that a hormone can only attach to cells that also contain such receptors. The tissue specificity of hormones is a result of this.
For instance, the insulin hormone attaches to receptors on cells in the muscle, fat, and liver tissues. These receptors bind to insulin, which sets off a series of processes that eventually result in the absorption of glucose from the circulation by these cells.
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In 3-5 sentences explain which type of reproduction is more beneficial, asexual or sexual.
A genetic disease is found in a family that affects the immune system, lungs, heart, and kidneys. A DNA analysis of several affected and unaffected family members determines that the disease is caused by a mutation in a single gene. What type of inheritance pattern is shown in this disease?(1 point)
polygenic trait
codominance
incomplete dominance
pleiotropy
Answer:
D.) pleiotropy
Explanation: Just took the quiz.
Pleiotropy arises when one gene affects two or more seemingly unrelated phenotypes. A pleiotropic gene expresses many phenotypes. Therefore, option (D) is correct.
What is Pleiotropy?
When one gene influences two or more phenotypic qualities that do not appear to be related to one another, this phenomenon is known as pleiotropy. A gene is said to be pleiotropic if it can exhibit many phenotypic expressions in a single organism.
Phenylketonuria is a condition that serves as a straightforward illustration of a pleiotropy. A slow metabolism of the amino acid phenylalanine in the cells of the body is the root cause of this hereditary condition, which causes phenylketonuria.
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What do adenine, ctyosine, guanine, thymine, and uracil have in common
Adenine and guanine have a fused-ring skeletal structure derived of purine, hence they are called purine bases. ... Similarly, the simple-ring structure of cytosine, uracil, and thymine is derived of pyrimidine, so those three bases are called the pyrimidine bases.
I need this now,I'll give you 100 points for answer 10 questions.
#1. Negatively charge particles in an atom *
A. resistance
B. Ohm's Law
C. electrons
#2. the rate of current flow in a circuit (intensity) *
A. resistance
B. current
C. voltage
#3. a source of electricity that provides direct current to a circuit *
A. electrons
B. cell (battery)
C. switch
#4. The relationship between voltage, current and resistance. V=IR *
A. Amperes
B. Ohm's Law
C. Voltmeter
#5.The difference in electrical potential energy between two places in a circuit (the push) *
A. Voltage
B. Resistance
C. Current
#6. a device used to open and close a circuit *
A. cell (battery)
B. wire
C. switch
#7. a material's opposition to the flow of electric current (slows the flow) *
A. Current
B. Resistance
C. Voltage
#8 a form of energy caused by the movement of electrons *
A. electricity
B. circuit
C. mechanical
#9 something that uses energy (example: light bulb) *
A. load
B. power
C. wire
#10 to move freely *
A. resistance
B. current
C. flow
Answer:
1) B
2) C
3) C
4) C
5) C
6) A
7) A
8) A
9) A
10) C
Explanation:
Hope this helps
How does a plant obtain the water it needs for photosynthesis?
how many calories are in an average trick-or-treaters halloween stash?
The number of calories on a Halloween stash depends on the type of candies and the number of units of each. If the stash contains 5 units of each of these candies: chocolate bars, taffies, lollypops, and candy corn the total number of calories is 1,650.
Calories are the most common unit used to define the energy a specific food gives to your body. For example, an apple has 52 calories, while a banana has 89 calories.
Considering this, in a Halloween stash the calories depend on two factors:
The types of candies or productsThe units of each oneLet's suppose there are 5 units of each of the following candies:
Chocolate barsTaffiesLollypopsCandy cornLet's now calculate the calories
Chocolate bars = 220 calories x 5 units = 1,100 caloriesTaffies = 20 calories x 5 units = 100 caloriesLollypops = 83 calories x 5 units = 415 caloriesCandy corn = 7 calories x 5 = 35 caloriesAdd all the previous results:
1,100 + 100 + 415 + 35 = 1,650 calories in total
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