When talking about mutagenesis,we take into consideration the shaking of dish of cells in a manner that is gentle inorder to mix the sample with the agar gel so that they will be able to spread on the surface of the agar plate.
This dish is shakes gently so that there will will be oxygen supply and proper aeration.
Below are the advantages of using UV light as a mutagenic agent.
- Using of UV light is very cheap and and there is no need to buy additional equipments or reagents.
- The UV induced mutatins are more likely a natural mutation that is mutation that occurs naturally.
- No specialized training is required to use UV light hence it is a very easy technique and very easy to use.
- To use a chemical poses a great risk but to use a UV lamp is safer as the lamp is generally in a closed box and there is no danger to the researcher example exposure to the researcher.
Below are also the disadvantages of using UV light as a mutagenic agent.
- Sometimes,UV mutagenesis does not give rise to mutants that has the desired phenotype.
- Generation of mutations by UV mutagenesis is in a very random way hence it will generate more than one mutation in a genome.
ILL GIVE BRAINLIEST!!!!! HELP ASAP! PLEASEEE AHHH
Select the correct answer from each drop-down menu.
What are the components of DNA nucleotides?
DNA is a made up of molecules called nucleotides that each contain a (phosphate group, helium group, oxygen), a (carbon group, sugar group, hydrogen group), and a nitrogen base.
Answer:
Phosphate group, sugar group and nitrogen base
Explanation:
Hope this helps :)
Answer:
Phosphate group and sugar group
Explanation:
Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). A DNA molecule is composed of two strands.
which is the least complx thing in our body
1. DRAG AND DROP THE CORRECT COMPONENTS AND REACTANTS TO FILL IN THE EQUATION
FOR PHOTOSYNTHESIS.
6602
6H₂O
GH120
WATER
LIGHT
ENERGY
GLUCOSE
WATER
REACTANT
OXYGEN
602
CARBON
DIOXIDE
12H30
REACTANTS
Refer to the image attached below.
What is photosynthesis?Green plants and certain other organisms convert light energy into chemical energy through a process called photosynthesis.Light energy is gathered and utilized during photosynthesis in green plants to change the water, carbon dioxide, and minerals into oxygen- and energy-rich organic molecules (like glucose).The process can be represented by the following equation:6CO₂ + 6H₂O + Light energy → C₆H₁₂O₆ + 6O₂
(Glucose)
Plants that perform photosynthesis are called autotrophs.Learn more about photosynthesis here:
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If a female is a heterozygote for both dimples and earlobe attachment, what are the potential genotypes of her eggs?
**Unattached earlobes (E) are dominant over attached earlobes (e), and dimples (D) are dominant over no dimples (d).**
Answer: eD
Explanation:
Over time, plants developed structural adaptations of vascular systems and seeds in
order to
O produce haploid seeds.
be more successful in water ecosystems.
carry out photosynthesis.
colonize land ecosystems.
Answer:
colonize land ecosystems
Explanation:
Vascular systems and seeds allowed plants to colonize the land ecosystems.
What effects would you expect uncontrolled celiac disease to have on children? How do these effects relate to what is shown in the model?
Answer:
to the lining of his small intestine when any food containing gluten –are ingested.
LABEL THE DIAGRAM OF THE LEAF
Olivia loves pizza, bread, and pasta. However, when she
eats any of these foods, her body reacts negatively, causing
pain and inflammation in her small intestine. What is
causing this issue for Olivia?
A.the gluten in these foods
B.the sugars in these foods
C.the fats in these foods
Answer:
the gluten in the foods
Explanation:
if allergic to gluten, it can cause inflammation in the small intestine
Answer:
A.
Explanation:
Gluten is known to cause irritation in certain people, usually those that are allergic to it.
Which species is most likely to exhibit clumped dispersion
Animals, such as elephants, that travel in groups exhibit clumbed distribution. Uniform dispersion is observed in plant species that inhibit the growth of nearby individuals.
Which of the sun's layers releases visible light?
Answer:
C
Explanation:
What is the total number of protons, neutrons, and electrons in cadmium, Cd, atom that has a mass number of 112?
Answer:
number of protons = 48
number of neutrons = 64
number of electrons = 48
Explanation:
The mass number of an atom is the sum of the number of protons and neutrons in the nucleus of the atom. Hence, for Cadmium;
mass number = proton number + neutron number = 112
Cadmium has an atomic number of 48. The atomic number is the number of protons found in the nucleus of the atoms of an element. Hence, the number of protons in an atom of Cadmium is 48.
proton number + neutron number = 112
proton number = 48, hence
48 + neutron number = 112
neutron number = 112 - 48 = 64
Also, for a neutral atom of an element, the number of protons and electrons must balance. This means that for a neutral atom of Cadmium with a proton number of 48, the number of electrons will also be 48.
In summary, for cadmium:
number of protons = 48
number of neutrons = 64
number of electrons = 48
The mass number of an atom can be seen as the sum of the number of protons and neutrons in the nucleus of the atom. And the number of protons is always the same as the number of electrons
The number of protons = 48
The number of neutrons = 64
The number of electrons = 48
Since the mass number = proton number + neutron number = 112.
And cadmium has an atomic number of 48.
The atomic number is the also regarded as the number of protons found in the nucleus of the atoms of an element.
Then the number of protons in an atom of Cadmium is 48.
Since proton number + neutron number = 112
48 + x = 112
x = 112 - 48 = 64
Therefore the number of neutron is 64.
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What is a bacterial have?
A. Bacteria that destroys DNA
B. virus that causes pneumonia
C. Virus that infects and kills bacteria
Answer:
A.because dna is our blood not sure
Explanation:
Some types of bacteria can cause diseases in humans, such as cholera, diptheria, dysentery, bubonic plague, pneumonia, tuberculosis (TB), typhoid, and many more. If the human body is exposed to bacteria that the body does not recognize as helpful, the immune system will attack them.
the bacteria produce toxins which damage specific tissues in the body. invasiveness – the bacteria multiply rapidly at the site of infection and overwhelm the body's defence mechanisms. The bacteria may then spread to other parts of the body.
Based upon your experimental data, which muscle type exhibited the lowest threshold of stimulation in all conditions tested?a. Lower forelimb muscleb. Upper forelimb musclec. Calf muscled. Thigh muscle
Answer:
a. Lower forelimb muscle
Explanation:
The forelimbs are the limbs that are found in the front parts of the body Which includes the arm and its muscles this makes them Different from the hind limbs that are found are the back parts of the body which includes our leg.
Based on the experimental data obtained the lower forelimb muscle displayed the lowest levels of stimulation in all the tests conducted.
which of the sediments shown below were most likely deposited by a glacier
Please HELP
Answer:
D
Explanation:
Hopefully this helps
Directly deposited sediments by water are often sorted and show layers, of the sediments left behind by glaciers, hence option D is correct.
What sediments are deposited by a glacier?Additionally, it appears that the glacier debris is unsorted a diamictite, a sedimentary rock made up of unsorted grains, is produced when this mass of sediment is cemented into a rock.
Till is the name for the loose silt in its unlithified state, they are distinguished by a lack of stratification and a diverse variety of sediment sizes, ranging from boulders to clay.
Therefore, a tillite is a more precise term for an unsorted sedimentary rock that contains grains that were deposited by ice, hence option D is correct.
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cellular respiration and fermentation map please help
Answer: Cellular Respiration Concept Map Activity 1 . ... of the digestive system are Cellular Respiration Help amp Review Amanda holds a ... 36 2 Concept map of Glycolysis Cellular Respiration Fermentation Begins with the ... m doing a concept map for biology where I need to connect key words to other key ...
Explanation:
In cellular respiration, glucose is fully oxidized, while in fermentation, glucose is not fully oxidized and regeneration of NAD+ is occurred.
What is the difference between cellular respiration and fermentation?Similar to burning, cellular respiration causes the full oxidation of glucose into CO2 and water. Contrarily, fermentation only partially oxidizes glucose.
In fermentation: lactic acid is produced from glucose in the absence of oxygen.
Cellular respiration: pyruvate is the product of glucose oxidation in the presence of oxygen.
Instead, waste is created in the form of tiny, reduced organic molecules. Because of this, cellular respiration uses glucose more efficiently than fermentation to release energy.
Therefore, in cellular respiration, glucose is fully oxidized, while in fermentation, glucose is partly oxidized.
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Please help! :( you have to decide if it’s speed, acceleration, or velocity!
Explanation:
Speed is the rate of change of distance with time. It is also taken as the distance traveled per instance of time.
Velocity is the displacement of a body with time. It is a vector quantity which shows the magnitude of motion and the direction.
Acceleration is the rate of change of velocity with time. It tells us how much motion is increasing at every instance of time.
4. Distance traveled in a given time is the speed
5. Velocity; speed when given directional attribute is velocity
6. Speed
7. Velocity
8. Speed
In dogs, black fur (B) is dominant over yellow fur (b). A heterozygous black dog is mated with a yellow dog. Do a Punnett square to show the cross and predict the offspring (phenotypes and genotypes)
Deciduous trees are unique in the fact that they start to lose their leaves in Autumn. A hormone
called auxin controls the process. As light levels and temperatures drop, auxin signals it is almost
winter. Which statement BEST describes why it is more advantages for deciduous trees to lose
their leaves in the colder months?
A. So that the snow will not stick to their branches and break them off.
B. So that they can have room for more animals to use their trunks for hibernation.
C. To help with reducing water lost and nutrient lost.
D. So that their new leaves will be bigger, greener, and plentiful
if someone were to stay the same size, are their cells increasing faster than decreasing, or decreasing faster than increasing?
Answer:
Increasing faster than decreasing
All of the following are possible reasons why families may choose to seek therapy except __________.
A.
improving communication
B.
dealing with children’s behaviors
C.
overcoming language barriers between family members
D.
dealing with a change in family dynamics
Answer:
it’s C
Explanation:
i took the quiz
All of the following are possible reasons why families may choose to seek therapy except - C. Overcoming language barriers between family members
Reasons for the family to seek therapyFamilies are generally from the same background and culture. They usually take the therapy due to various reasons such as lack of communication among family members, inappropriate behaviors of children, or any type of change in family dynamics.
The language of all members is normally similar so it can not be a reason for barriers among family members and they require therapy.
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stage of photosynthesis that can occur with or without light
A. Autotroph
B.potential energy
C. Stroma
D. Calvin cycle
E. Heterotroph
F. Light reactions
G. Chemical energy
H. Chlorophyll
Answer:
Calvin Cycle is the answer!!
HELP!
Which group evolved first?
skates
rays
chimaeras
sharks
Answer:
D - Sharks; (took the test)
Explanation:
Sharks evolved nearly 420 million years ago. Chimeras, skates, and rays are all related to sharks through their ancestry.
Answer: it's D, sharks
What forces the fluid from the capillaries of the glomerulus into the Bowman's capsule?
Answer:
Blood pressure forces plasma minus its macromolecules (e.g., proteins) from the glomerular capillaries into the Bowman's capsule, which is continuous with the proximal convoluted tubule.
please help me asap
Answer:
The answer is B.
Explanation:
V.W. Ekman is credited with developing the theory of:
wind-driven ocean currents
seismic profiling
sea floor spreading
global tectonics
wind-driven ocean currents
hope u have a nice day
Answer:
It would be A
Explanation:
:)
Square root of 40???
im deparate
Answer:
the square root abt 6.324555
LABEL THE FLOWER POSTER
Answer:
I think this is the answer
Explanation:
Image on the Right:
A: Anther
F: Filament
L: Ovary
J: Stigma
K: Style
O: Ovule
Image on the Left:
B: Receptacle
C: Sepal
O: Ovary
L: Ovules
H: Anther
D: Petal
P: Style
25 points, I mark brainliest! :)
Explain the role the ocean plays in the carbon cycle (think about the physical and biological processes that occur in the ocean)
In which biome would you MOST expect to find bears, deer, rabbits, squirrels, and deciduous trees
A. desert
B. rainforest
C. tundra
D. temperate forest
Answer:
It would be the temperate forest
Explanation:
Since it has decideous trees, the trees display four seasons and temperate shows the four seasons.
Similarities between living in earth and living in space
Living things are those things hat have life present in them. The Similarities between living in earth and living in space are:
They need oxygen for survival: Man, animals in earth and space need oxygen for survival.Water is also need to stay alive.Food is very paramount to both man, animal s and organisms.Shelter, we all ned a place to lay our head in other to be safe.Air everywhere in the atmosphere.
Water, air, food and shelter are available on earth but their availability differs in space.
Astronaut need to bring everything one need in space with him or her from Earth. They often recycle the things they bring.
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