Answer:
A) the original bacterial cell will produce HGH
B) the offspring of the transformed bacteria will produce high HGH
C) HGH can be isolated from bacterial cultures and used as a pharmaceutical
Explanation:
Hope this helps :)
The plasmid is the circular extrachromosomal DNA that is used in genetic engineering. In the given scenario the original bacterial cell will produce HGH, it can be isolated from bacterial cultures, and the offspring of the transformed bacteria will yield high HGH.
What is genetic engineering?Genetic engineering is the process that uses technologies that are laboratory-based to alter the DNA buildup of an organism.
It involves modification through plasmids also which are used to transfer the foreign sequences to different cell types.
The plasmid is inserted through transfusion in bacteria.
In the given scenario, after genetically modifying, the human growth hormone, the following can be the consequence.
The original bacterial cell will produce HGH.The offspring of the transformed bacteria will produce high HGH.HGH can be isolated from bacterial cultures and used as a pharmaceutical.Thus, the correct options are A, B, and C.
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2. Why can't sea stars live in terrestrial environments?
Due to lack of certain features, sea stars can't live in land environment.
Why can't sea stars live in terrestrial environments?Sea stars can not live in terrestrial environments because of the body structure which is fit for water not land environment. Every organism has special features that allows it to live and survive in that specific environment.
So we can conclude that due to lack of certain features, sea stars can't live in land environment.
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Chromosomes are
A: DNA strands that become visible during cell division
B: the control centers of cells
C: the thick, fluid material surrounding the nucleus
D: the basic units of structure in living things
Answer:
A
Explanation:
Each chromosome contains a single double-stranded piece of DNA along with the aforementioned packaging proteins. Chromatin condensation begins during prophase and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis
hope this helps
how would an increase in oxygen affect cellular respiration?
Answer: During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.
Explanation:
2.4 State two reasons why the fern plants are able to
greater heights than the moss plants.
(2)
Coll
19)what is an underground stem
Answer:
Explanation:
This is because ferns are vascular plants i.e they have vascular tissues which are xylem and phloems which help to conduct water and nutrients while mosses are non vascular plants.
2. Ferns sporophytes are differentiated into true leaves, stems and true roots while mosses lack true roots, stems and leaves.
Underground stems are modified part of plants that are derived from stem tissues which grow under the ground. Underground stems grow beneath the soil. Examples include Rhizomes, ginger, tubers e t.c.
Atoms of carbon-14 are radioactive. They decay into atoms of the element nitrogen. Suppose that a sample of rock is taken from a fossil. The sample has 1000 atoms of carbon-14 and 1000 atoms of nitrogen.
If carbon-14 has a half-life of 57-- years, how old is the fossil?
A. 11,400 years old
B. 5700 years old
C. 2850 years old
D. 17,100 years old.
The half life of carbon -14 is 5730 years. The carbon -14 undergoes decays to form nitrogen -14. 1000 atoms of nitrogen is formed from 1000 atoms of carbon. Hence carbon -14 decayed from 2000 atoms to 1000. Therefore it is decayed by one half life and the age of the sample is about 5700 years or more accurately 5730 years.
What is radioactive decay?Unstable radioactive isotopes of atoms undergo spontaneous nuclear decay by the emission of charged particles such as alpha or beta. The time required to decay half of the initial amount of the isotope is called half life.
Carbon -14 undergo beta decay and the nuclear reaction is given as follows:
[tex]\rm _{6} ^{14}C \rightarrow _{7}^{14}N + _{-1}^{0}e[/tex]
Thus, one carbon atom is converted one nitrogen atom. Hence, 1000 nitrogen atoms are formed from 1000 carbon atoms. The remaining number of carbon atoms in the rock sample is 1000. Thus, the initial amount was 2000.
The half life of carbon -14 is about 5700 years. Hence, it takes 5700 years to decay from 2000 to 1000 atoms. Therefore, option B is correct.
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What is the name of this defense mechanism
A- antibody production
B- egestion
C- phagocytosis
D- vaccination?
List one-way mitosis and meiosis are the same and one way they are different.
please help!
Answer: Mitosis and meiosis are alike in that they both are a kind of cell division. They are different in that mitosis produces two cells identical to the original, while meiosis produces cells that only have half the chromosomes of the original. Meiosis ends up with haploid cells, while mitosis endup with diploid cells.
Explanation:
Drag each technology to the correct location on the table. This map shows three areas that are prone to natural hazards. Match each technology the area most likely to find it helpful.
Answer:
1. What do you mean by Multiple Hazard Mapping (MHM)? (2 marks). 2. ... How are the information to be compiled for Multiple Hazard Mapping (MHM) (5 marks). 9. ... When an area is exposed to more than one hazard, a Multiple Hazard Map (MHM) helps the planning team to analyze all of them for vulnerability and risk.
Explanation:
Answer:
Florida is close to the Atlantic Ocean, so it is prone to hurricanes. Technologies that can help Florida include hurricane shutters for windows and satellites that detect air movement over the ocean. Kansas is landlocked and is in the infamous Tornado Alley. The Warn-on-Forecast tool and safe rooms built in basements would be useful in this area. California is close to the Pacific Ocean and regularly suffers from drought. Water conservation devices and desalinization plants would be helpful in this region.
Explanation:
please help me answer 4-9 please
Answer:
decomposers are organisms that break down dead matter in an ecosystem.
8. in the process of photosynthesis.
somebody else help
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As the nutritional energy passes through the food chain, energy......
O a) is gained
b) decreases
c) remains constant
d) increases, then decreases
Answer:
B. Decreases
Explanation:
In an ideal food chain, nutritional energy from producers (plants) are transfered to other animals at different levels on the food chain. As nutritional level is being passed from one level to another, most of the nutritional energy is lost in the process. Therefore, energy decreases as the nutritional energy passes through the food chain.
Most successful parasites, such as a cat flea, weaken their host but do not kill it. Why is killing its host usually disadvantageous for a parasite?
Question 4 options:
Relatives of the host would then attack the parasites.
Lysosomes from the host would then attack the parasite.
If a parasite kills its host, it will then have to find a new host in order to survive.
Parasitism is a relationship where both organisms benefit; killing the host is not beneficial to the host.
Answer:
The correct answer is - If a parasite kills its host, it will then have to find a new host in order to survive.
Explanation:
Parasites are organisms that depend on other organisms for their food and energy in order to survive. The organism that they depend on is called their host. In this only parasites get benefitted while hosts are harmed.
Although parasites harm their hosts, parasites tend to not kill the host as its best for them so they do not have to find another host and again establish control on the host's body and body functions, for their survival.
What effects do genetic mutations have on the survival of a species?
what are 8 possible blood types
Answer:
A+ ,A-,B+,B-,O+,O-,AB+,AB-
Explain how biotechnology has used the idea of ‘cut and paste’ when it comes to biotechnology
Answer:
Biotechnology, the use of biology to solve problems and make useful products. The most prominent area of biotechnology is the production of therapeutic proteins and other drugs through genetic engineering.
Explanation:Biotechnology, the use of biology to solve problems and make useful products. The most prominent area of biotechnology is the production of therapeutic proteins and other drugs through genetic engineering.
Biotechnology is a field of engineering that makes use of biological systems, living creatures, or fragments thereof, to develop or produce various goods.
What is biotechnology?Biotechnology is technology that utilizes biological systems, living organisms or parts of this to develop or create different products.
The utilization of yeast (a living organism) to create the intended product is an example of a biotechnology process, as are brewing and baking bread.
Every year, new innovations and products are created in a variety of fields, such as medicine (creation of novel treatments and medications), agriculture (creation of genetically modified crops, biofuels, and biological treatments), or industrial biotechnology (production of chemicals, paper, textiles and food).
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How Jackrabbit controls his body temperature through his capillaries?
Segment A represents
no acceleration
negative acceleration
positive acceleration
PELASE HURRY IM TIMED
Answer: positive acceleration
Explanation:
Describe short-term change.
Answer: very fast environmental changes that affect organisms quickly
Explanation:
a. Design a meal that uses four different types of plant foods, two different types
of animal foods, and one food that relies on fungi, algae, or bacteria. How does
the management of natural resources determine whether your meal will be
available? (1 point)
b. If our forest supplies are used up faster than they are replenished, what
products could be missing or hard to get in our society? (1 point)
c. There are many materials humans use that are produced from plant or animal
material. List at least three examples in each box. One square is provided for you.
(1.5 points)
Answer: Humans are dependent on animal and plant based products for survival.
Explanation:
a. Pizza: My meal is pizza which contains the plant and animal based foods. Plant foods include vegetables like tomato, capsicum, corn, and onion. The two animal based foods used in this will be chicken meat and swine meat. The pizza dough requires yeast to attain a desire puff, yeast here is a fungal strain. The resources required for preparation of pizza are easily available as they are replenishable renewable natural resources. These are available in farm, food market, and butcher shops easily. The plant based foods will grow with the help of seeds and animal based food will be available by breeding in farms.
b. The forest reserves are rich source of renewable natural resources like wood, plant based food, medicines, and other products. If forest reserves are not replenished then the need of these products will increase due to scarcity.
c. Plant: Clothes, furniture, medicines, food, and others.
Animal: Clothes (jute, silk), tools from animal horns, decorative item from elephant ivory
The theory of natural selection occurs in 4 steps. Overproduction, Variation,
Selection, and what else?
i need help please & thank you!!
Compare this model below to the actual organ systems within the body
3benefits of including roughages in the diet of humans
What inference can be made from the phylogenetic tree?
Choose 1 answer:
Species A was probably much larger than any of the other organisms.
B
Species G is extinct.
С
Species F and G are more closely related than species B and E.
Species C is the most recent common ancestor of species B and D.
Inference from phylogenic tree is:
Species A was probably much larger than any of the other organisms.
What is phylogenic tree?
A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.
What can phylogenetic trees tell us?
A phylogenetic tree can help trace a species back through evolutionary history, down the branches of the tree, and locate their common ancestry along the way.
Hence ,option A is correct
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A rabbit's coat color is
determined by a single gene
that has at least four different
alleles. What is a rabbit's coat
an example of?
A. codominance
B. incomplete dominance
C. Multiple alleles
Answer:
c
Explanation:
THIS OF THAT
1. Every fifth contour line is darkened. These lines are
called
(A) index contours
(B) elevation
contours
2
A closed loop on a topographic map indicates a
(C) pond
(D)mountain
3. A contour line forms a "v" as it crosses a river. The point
of the "V" always points
(F) downhill
(G) uphill
4. A gentle slope is indicated by contour lines that are
(H) farther apart
I) closer together
(A) 100 meters
(B) 120 meters
5. What is the elevation
change from Y to X?
500
Y
440
Contour interval: 20 m
Answer:
1) index countouts
2) mountain
3) up hills
4) 100 meters
5)
What are Life processes?
Answer:
the process which includes as growth, differentiation, respiration, digestion, and excretion during their life time is life process.
Answer:
Growth, differentiation, respiration, digestion, and excretion are life processes.
Hope this helps!
Which correctly pairs this structure with
what its made from?
A. Chromosome: DNA & Protein
B. Centriole: DNA & Protein
C. Centromere: Protein & Fat
D. Centriole: DNA & Sugar
Answer:B. Centriole: DNA & Protein
Explanation:
Answer:
B.
Explanation:
sorry if I'm wrong......
someone please help
Model the reflection of a light wave.
1.
Choose a material that will reflect light.
2.
Create a diagram that represents a light wave being reflected.
3. Label your diagram "Light Wave Reflected."
4. Below the diagram, write a brief description of the interaction between the wave and the
material. Be sure to discuss the angle of incidence, the angle of reflection and the normal.
Also explain how the amplitude and frequency of the wave are affected.
When waves of light (and other electromagnetic radiation) come into contact with a surface or other boundary that does not absorb the radiation's energy, the waves bounce off the surface and back into space.
What is Light wave?The simplest instance of visible light reflection is a smooth pool of water's surface, where incident light is orderedly reflected to provide a clear image of the landscape around the pool.
When you throw a rock into a pool, it disturbs the water and causes waves, which prevent reflection by spreading the light rays in all directions.
The incoming light wave is referred to as an incident wave, and the wave that is bounced away from the surface is termed the reflected wave. Visible white light that is directed onto the surface of a mirror at an angle (incident) is reflected back into space by the mirror surface at another angle (reflected) that is equal to the incident angle, as presented for the action of a beam of light from a flashlight on a smooth.
Therefore, When waves of light (and other electromagnetic radiation) come into contact with a surface or other boundary that does not absorb the radiation's energy, the waves bounce off the surface and back into space.
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True or false: Predators of one species can never be prey to another species.
A. True
B. False
describe the flow of blood (ex. from the body, to the body, from lungs to lungs) and name the chambers of the heart and other important parts.
Answer:
Once blood travels through the pulmonic valve, it enters your lungs. This is called the pulmonary circulation. From your pulmonic valve, blood travels to the pulmonary arteries and eventually to tiny capillary vessels in the lungs
Explanation:
Once blood travels through the pulmonic valve, it enters your lungs. This is called the pulmonary circulation. From your pulmonic valve, blood travels to the pulmonary arteries and eventually to tiny capillary vessels in the lungs