Answer:
CLAIM: IF THE FUSED B CANCER CELLS ARE GROWN IN A MEDIUM THAT DOES NOT CONTAIN NITROGEN SOURCE, THE CELLS WILL STOP SYNTHESIZING PROTEINS AND THEIR LIFE SPAN WILL BE GREATLY REDUCED
Explanation:
The growth medium that was used to reproduce the fused cancer B cells contains nitrogenous compounds that serves as source of nitrogen for the production of nitrogenous bases of DNA, If the nitrogen source is removed, the DNA in the nucleus of the white blood cell will lack adenine and guanine, which are necessary for the synthesis of DNA molecules.
2. Nitrogen is an integral part of DNA and protein. Nitrogen is needed to produce nitrogenous bases that are found in DNA. The DNA molecule is the one that initiate and direct the synthesis of protein in living cells.
In the fused B cancer cells, DNA must be produced, so that the dividing cancerous cells can continue their uncontrolled division, this will keep the cells alive. Nitrogen is also needed for the continuous synthesis of the special protein that the fused B cell is producing.
Thus, if nitrogen source is removed from the growth medium used for the cultivation of fused B cells, then the cells will stop synthesizing protein, their life span will be greatly reduced and they will eventually die out.
How does the evolution of resistance in bacteria affect humans
Answer:
Bacteria, not humans or animals, become antibiotic-resistant. These bacteria may infect humans and animals, and the infections they cause are harder to treat than those caused by non-resistant bacteria. Antibiotic resistance leads to higher medical costs, prolonged hospital stays, and increased mortality.
Explanation:
one reason that identical twins might show slight differences at birth is
Answer:
genetic variation and traits
which biomolecule is made of nucleotides and contain your dna
Answer:
Nucleic acids
Explanation:
macromolecules made out of units called nucleotides, come in two naturally occurring varieties: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material found in living organisms, all the way from single-celled bacteria to multicellular mammals like you and me.
___________ is the bacterium that fixes atmospheric nitrogen.
Answer:
Rhizobium Or Azotobacter
Explanation:
If you like my answer than please mark me brainliest thanks
Answer:
Rhizobium, is the bacterium that fixes atmospheric nitrogen. I hope this helps you somewhat! :D
at the end of meiosis ii, how many chromosomes are present in each cell of a human? how many cells are produced?
Answer:
23 chromosomes and 4 cells
Explanation:
what are buffers and why are they important to cells
Answer:
Buffers are chemicals that help a liquid resist changing its acidic properties when other chemicals are added that will normally cause a change in these properties.
Answer:
buffers are chemicals that help a liquid resist changing its acidic properties. the reason they are important to cells is because buffers maintain the right pH of a liquid.
source(s)
https://sciencing.com/role-of-buffers-in-cells-12731573.html
how many photosystems are there in photosynthesis?
Answer:
2
Explanation:
There are two kinds of photosystems: photosystem I (PSI) and photosystem II (PSII) (Fig. 3.3).
Answer:
Two
Explanation:
How many tissues does a Carrot have?
Answer:
3
Explanation:
ou are designing a building that must minimize energy transfer in the form of heat loss. Describe a building shape that you think would minimize heat loss through the surface of the building, and explain how that shape relates to the surface area-to-volume ratio.
Answer: In principle, to minimise heat transfer through the building envelope the building shape should be as compact as possible,tending toward a cube.
Explanation:
A building's design should be compact and rounded to reduce heat loss through the surface. The optimum shape would be a sphere, but that is impractical for a building. It would be more practical to construct a building that is cylindrical or dome-shaped.
What should be the shape of building to minimize the heat?The optimum shape would be a sphere, but that is impractical for a building. It would be more practical to construct a building that is cylindrical or dome-shaped.
By lowering the building's surface area, this design limits the region where heat may escape from the structure. The surface area to volume ratio should be taken into account while trying to reduce heat loss.
A building that is compact and rounded, such a cylinder or dome, has a lower surface area-to-volume ratio than a building that is rectangular or square and has the same volume. Accordingly, less heat is lost from the building's surface in comparison to the heat that is kept inside the structure.
Additionally, a compact, rounded building will have fewer corners and edges, which are vulnerable to heat loss. Additionally, the structure can be angled to receive as much sun exposure as possible, which can add to the building's heating capacity during the winter.
Therefore, a building's design should be compact and rounded to reduce heat loss through the surface.
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please solve fast 3 and 4
Answer:
3. Pathology
4. HCN
Explanation:
Pathology is the study of the nature and causes of diseases.
a propagation flat with dimensions of 18"x8"x2" has the following volume
Explanation:
Volume = 18×8×2 =288 (units)³.
please put the unit as follows in the question.
hope this helps you.
what is the source of oxygen produced during photosynthesis?
Answer:
the air
Explanation:
Answer:
Water
(correct me if I'm wrong)
The size of the cell is related to its function True/false
TRUE
EXPLANATION:BECAUSE THE SIZE OF THE CELL IS RELATED TO ITS FUNCTION.
HOPE IT HELPS YOU
CAN YOU BRAINLEST ME
Answer:
For example, the nerve cells are elongated in shape and are thin and dainty. ... An animal cell does not have a cell wall
Explanation:
The size and shape of a cell are related to its function and are governed by four factors—(1) surface-volume ratio, (2) nucleocytoplasmic ratio, (3) rate of cellular activity, (4) cell associations. (1) Surface-volume Ratio: ADVERTISEMENTS: The cell membrane separates the inner content from the outer environment.
Some scientists think that Earth goes through natural cycles of warming and
cooling. What is different about the current cycle of temperature change?
O A. It is cooling more slowly than previous natural cycles.
B. It warming more slowly than previous natural cycles.
c. It is cooling faster than previous natural cycles.
D. It is warming faster than previous natural cycles.
Answer:
D. It is warming faster than previous natural cycles.
1. Cells are limited in size by the
a. rate at which substances needed by
the cell can enter the cell through
its surface.
b. rate at which the cell can manufacture
genetic information.
in yeast that has been genetically modified to be able to produce spider silk, the ________ is joined with the ________ .
A transgenic organism is an organism whose genome (DNA) has been altered by recombinant genetic engineering techniques. These techniques can be used to transfer exogenous genes within transgenic species.
In yeast that has been genetically modified to be able to produce spider silk, the spider silk CODING SEQUENCE is joined with the yeast REGULATORY SEQUENCE.In this case, transgenic yeast has the spider silk coding gene sequence (i.e., the exons) that encodes for the spider silk protein, whereas a regulatory gene sequence (e.g., a promoter gene sequence) from yeast have been preserved in order to regulate the expression of the target exogenous gene.The most important genetic engineering techniques used to create transgenic animals include DNA microinjection and retrovirus-mediated gene transfer.Learn more in:
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which layer of the epidermis is not present in thin skin?
Answer:
stratum lucidum layer
hope this helps :)
Animal cells like to be in equilibrium
with their surroundings. What type of
solution would this be?
A. hypertonic
B. hypotonic
C. isosmotic
D. isotonic
Please help asap
Animal cells tend to do best in an isotonic environment, plant cells tend to do best in a hypotonic environment.
Answer:
D
Explanation:
when in this environment, water homeostasis is maintained and the cell will neither shrink or swell
Somebody help me please
which feature distinguishes protostomes from deuterostomes?
Answer:In Protostomes (“mouth first”), the mouth develops at the blastopore (Figure 3). In Deuterostomes (“mouth second”), the mouth develops at the other end of the gut (Figure 3) and the anus develops at the site of the blastopore. Protostomes include arthropods, mollusks, and annelids.
Explanation:
The water cycle plays an important role in an environment because
Answer:
it gives us water and it helps all our thing in the envierment grow and help us live.
how many valence electrons are in the atom pictured below?
Answer:
There are ten Valance electrons in the atom.
(Valence electrons are the little dots)
Explanation:
The picture below will help you as well.
Hope this helps :)
which of the following is not caused by the electromagnetic force?
a light
b gamma rays
c gravity
d radio waves
Answer:
Gravity
Explanation:
The electromagnetic system consists of radiowaves, microwaves, infrared, visible *light*, ultraviolet, xray, gamma. Therefore, gravity would not be your answer. Hope this helped!
what sudden illness is usually caused by a blockage of blood flow to the brain?
what is the function of the structural elements of a virus?
Answer:
The capsid has three functions: 1) it protects the nucleic acid from digestion by enzymes, 2) contains special sites on its surface that allow the virion to attach to a host cell, and 3) provides proteins that enable the virion to penetrate the host cell membrane and, in some cases, to inject the infectious nucleic
Explanation:
Hope this helped you if it did please mark brainliest
The structural elements of a virus, such as the capsid, envelope, and spike proteins, serve to protect and deliver the viral genome into host cells for replication.
What are the structural elements of a virus?The structural elements of a virus have different functions that are essential for the survival and replication of the virus. These elements include:
Capsid: The capsid is the protein shell that surrounds the viral genetic material. It provides protection to the viral genome and determines the shape and size of the virus.Envelope: Some viruses are surrounded by an envelope, which is a lipid membrane that covers the capsid. The envelope helps the virus to evade the host's immune system and enter the host cell.Spike proteins: Spike proteins are protruding structures on the surface of the envelope that are used to bind to the host cell. They play a crucial role in the process of virus entry into the host cell.Nucleocapsid: The nucleocapsid is the complex of the viral genome and the capsid. It is responsible for protecting and delivering the viral genetic material into the host cell.Tail fibers: Some viruses have tail fibers, which are structures that help the virus to attach to the host cell and initiate the entry process.Learn more about virus, here:
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These sentences describe characteristics of squirrels. Which of them is not true about rocks?
Water
+
36 ATP
Examine the model of the metabolic pathway of cellular respiration in the cell. Which comparison is accurate regarding the energy
transformation in this process?
A)
Chemical energy in glucose is converted into light energy, which is
released.
B)
Light energy acts as a catalyst to form carbon dioxide and water as less
energetic reactants.
The energy released from the breakdown of glucose is used to form water,
which is used is hydration reactions.
Chemical energy released from the breakdown of glucose is used to form
ATP molecules, which can be used by the cell.
D)
20)
Cellular Processes
Answer:
d
Explanation:
i got it correct
The metabolic pathway of cellular respiration in the cell produce ATP by breaking down of glucose. Light energy acts as a catalyst to form carbon dioxide and water as less energetic reactants. Thus, option B is correct.
What is cellular respiration?Cell breath is one of the most exquisite, magnificent, and interesting metabolic pathways on the planet. Simultaneously, it's likewise one of the most muddled. At the point when I found out about it interestingly, I felt like I had stumbled and fallen into a jar of natural science seasoned letter set soup!
Fortunately, cell breath isn't so frightening once you get to know it. We should begin by taking a gander at cell breath at an undeniable level, strolling through the four significant stages and following how they interface.
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what are the abiotic and biotic factors for a wolf population living in northern Minnesota
Answer:
hii there
A biotic factor for a grey wolf could be disease or predation, parasites, as long as there is a living thing interacting with your wolves, Abiotic is going to be nonliving things: weather, habitat destruction, wind, the prey cut off by a physical barrier
hope it helps
have a nice day : )
Answer:
The Abiotic factors would be rocks, soil, water, etc. The biotic factors would be the wolf, plants, trees, grass, and other predators and prey.
Explanation:
I hope this helped. Next time, if you could please put a picture, that would be awesome. I hope you make a 100 on whatever you are doing.
what fruits and vegetables can bearded dragons eat
Answer:
Apples, blueberries, peaches, strawberries and watermelon.
Cabbage, carrots, collard greens, kale, pumpkin and sweet potato
Explanation:
OMG why do you have 1?
what is the main purpose of the extracellular matrix surrounding osteocytes
here you go
Explanation:
The main purpose of the extracellular matrix surrounding osteocytes is providing BONE STRENGTH. The extracellular matrix is deposited by action of the osteoblasts cells.