Answer:
C. a mutation in the genetic code.
Explanation:
A mutation refers to any change or alteration to the nucleotide sequence of a gene caused by mutagen or mistakes during replication. Depending on the manner of occurrence, mutation can be of different types. In this question, partial DNA sequence for normal hemoglobin is given as: G-G-A-C-T-T-C-T-T while the partial DNA sequence for sickle cell anaemia is given as: G-G-A-C-A-T-C-T-T.
From careful observation of the two two DNA sequences above, it can be realized that a SUBSTITUTION MUTATION from T to A has occurred in the sequence of sickle cell. Note that substitution mutation is the replacement of one base by another in a sequence.
Which description is correct for both oogenesis and spermatogenesis?
The cells have 46 chromosomes until meiosis II is completed.
After meiosis I, the cells have 23 chromosomes.
Part of meiosis I is completed before birth.
The entire process takes about 70 days.
Answer:
After Meiosis I, the cells have 23 chromosomes
Explanation:
It is B
In meiosis there is a reductive phase (meiosis I) and the not reductive phase (meiosis II). Option B). After meiosis I, the cells have 23 chromosomes.
What is meiosis?Meiosis is a process by which, from a diploid germ cell (2n), four haploid cells (n) -the gametes, sperm and egg cells- are produced. This is the gametogenesis process.
Each daughter cell has half of the chromosomes of the original one.
There are two phases in meiosis:
the first one in which occurs a chromosome's reduction division, and the second one where the cell suffers a new division, but this one is not a reductive one.So, if the germ cell has 46 chromosomes, after meiosis I each new cell will have 23 chromosomes, because meiosis I is the reductive phase.
Option B is correct.
You can learn more about meiosis and gametogenesis at
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Which of the following happens because of mitosis? (Check all that apply)
Answer:
1,2
Explanation:
During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. ... Then, at a critical point during interphase (called the S phase), the cell duplicates its chromosomes and ensures its systems are ready for cell division.
Which process releases energy from digested food?
A. photosynthesis
B. cellular respiration
C vitamin production
D. fertilization
Answer:
cellular respiration
Explanation:
Name the two high energy molecules that are produced during the light dependent reactions?
Answer: atp and adp
Explanation: atp is an unstable molecules which hydrolyzes to adp and inorganic phosphate when it is in equilibrium with water.
1. If you were a transformer, what vehicle would you turn into?
2. What laws would you abolish if you could? What laws would you create?
3. If you were a food, what food would you be?
4. What animal would be way better if it was covered in scales?
5. What would be your strategy for a zombie apocalypse?
6. If you could be the CEO of any company, what company would you choose?
Answer:
1. I would turn into Lambo (black and neon green)
2. I would abolish the laws that require children to go to school. I would create a law saying that you can't be a stuck up p*rv if you want to be president.
3. I would be bacon. Don't ask.
4. Hedgehog. ;-;
5. Break into Ariana Grande's house and protect her.
6. Amazon because Jeff Bezos is literally the RICHEST man in the world atm.
Sorry it took so long T^T
This was fun doee
Unlike other careers in neurology, all doctors of neurology who want to apply for work in the US must first go through
certification.
licensing.
training.
a background check.
The correct answer is B. Licensing.
Explanation
The Neurologist is a doctor who has specialized in the study of diseases and disorders that affect the nervous system. When a person in the United States wishes to practice as a neurologist, they must follow some steps. You must first prepare to enter medical school by studying an area related to medicine such as chemistry, physics, biology, among others, which conceptually prepares you for the next step. In the second step, you must apply to medical school, where you will be put to the test with the Medical College Admission Test (MCAT) to measure your knowledge on this subject. Once you enter medical school, there you will learn for two years everything related to the necessary concepts and theory about medicine and later you will have to serve as a medical apprentice in university hospitals where you will apply what you learned.
Third, once the doctor has obtained his title that accredits him as a doctor, he must obtain one of the medical licenses that USMLE (United States Medical Licensing Examination) or COMLEX (Comprehensive Osteopathic Medical Licensing Examination of the United States ) doctors must have in the United States. Finally, the doctor must serve for three years as a resident in a hospital focused on an area related to Neurology and one more year of internship. According to the above, the correct answer is B. Licensing.
What are the causes of hybrids
Answer:
when two animals of different species mate
Explanation:
A rainforest is an example of a(n)
A)Ecosystem
B)Molecule
C) Organ system
D) Population
A molecule is microscopic.
An organ system is a human body function.
A population is a count of a species in a given area.
Therefore, A) Ecosystem is your best bet.
A Rainforest is an example of an Ecosystem. So, the correct option is A.
What do you mean by an Ecosystem?An ecosystem may be defined as the community of living organisms in conjunction with non-living components of their environment, interacting as a system.
Tropical as well as temperate rainforests consist of diverse animal life forms, insects, amphibians, and mammals. This area of an ecosystem lies around the equator within the tropics of cancer and capricorn. This area receives a high amount of light throughout the year.
Therefore, a Rainforest is an example of an Ecosystem.
To learn more about an Ecosystem, refer to the link:
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Looking at the image of the freshwater lake ecosystem in the reading, can you name biotic and abiotic factors in this specific ecosystem? What changes in this ecosystem would impact the biotic factors?
Answer:
Biotic: Fish, Plants, Animals, Some bacteria in the water
Abiotic: Water, Sunlight, Rocks
Changes to any ecosystem can affect the way organisms live. It can be a big change like having to adapt to their surroundings. An example is being camouflaged, or having an increase in population. Bad changes can lead to population decline, or maybe even being extinct.
Explanation:
There isn't really an image to see, but I put what I could think would be in a lake ecosystem.
What should one do if the results of an experiment consistently do not support the original hypothesis?
Answer:
Change the hypothesis to match the results.
What type of energy is/are associated with cellular respiration?
Answer:
ATP
Explanation:
Answer:
light energy
Explanation:
Hope this helped
Arizona and California are fighting over the right to what?
By building green and reducing electricity consumption, what potential environmental, economic, and social benefits could be gained?
Answer:
by building green and reducing electricity consumption, benefits such as enhancing and protecting biodiversity, improving air and water quality, reducing waste streams, conserving and restoring natural resources, reducing operating costs, creating, expanding, and shaping markets for green products and services, improving occupant productivity, optimizing life-cycle economic performance, enhancing occupant comfort and health, heightening aesthetic qualities, minimizing strain on local infrastructure, and improving overall quality of life can all be gained.
Explanation:
Environmental benefits: Enhance and protect biodiversity and ecosystems, Improve air and water quality, Reduce waste streams, & Conserve and restore natural resources.
Economic benefits: Reduce operating costs, Create, expand, and shape markets for green product and services, Improve occupant productivity, & Optimize life-cycle economic performance
Social benefits: Enhance occupant comfort and health, Heighten aesthetic qualities, Minimize strain on local infrastructure , & Improve overall quality of life
Hope this helps & I hope I'm not too late to help you out!
Remoras are small fish that attach to sharks but do not harm them.When sharks tear prey apart,remoras eat the leftovers.What relationship do remoras have with sharks?
A.)Mutualism
B.)Parasitism
C.)Commensalism
D.)Predator-prey
Answer:c
Explanation:
Remoras are small fish that attach to sharks but do not harm them. When sharks tear prey apart, remoras eat the leftovers. ... Remoras and sharks have a mutualistic relationship
Define photosynthesis, cellular respiration,
autotroph, heterotroph, herbivore, carnivore,
omnivore
Answer: Omnivore is an animal that eats both plants and animals.
Carnivore is an animal that eats only meat. Herbivore is an animal that eats only plants.
Heterotroph is an organism deriving its nutritional requirements from complex organic substances.
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Autotroph is an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.
Explanation: Sorry they’re out of order in accordance to how you had them.
What is the name of that have the ability to develop into differen kinds of cells?
Answer:
mitosis
Explanation:
Answer:
Differentiation.
Explanation:
Hope this helped!
What is the difference between speed and velocity in your own words?
Answer:
Explanation:
The difference between speed and velocity is that speed is a scalar quantity while velocity is a vector quantity.
hope this helps my friend
Which of the following and closes their DNA in a nucleus?
Bacteria
streptococcus
Frogs
Coli
Answer:
the answer is coli
Explanation:
In DNA, different alleles of a gene have a different sequence of ___________________. Alleles may have a different sequence of ___________________ in RNA that result in a different sequence of _________________ in a protein. Therefore, proteins produced from different alleles of a gene may have different structures and functions and result in different characteristics.
Answer:
blood cotton dna
Explanation:
hahahahahaahahahaha
In DNA, different alleles of a gene have a different sequence of nucleotides. Alleles may have a different sequence of nucleotides in RNA that result in a different sequence of amino acids in a protein. Therefore, proteins produced from different alleles of a gene may have different structures and functions and result in different characteristics.
What are nucleotide?Nucleotides are the building blocks of DNA and RNA. They are composed of a sugar, a phosphate group, and a nitrogenous base. There are four types of nitrogenous bases in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). In RNA, the base thymine is replaced by uracil (U). The sequence of nucleotides in DNA or RNA determines the sequence of amino acids in a protein. Proteins are made up of long chains of amino acids, and the sequence of these amino acids determines the protein's three-dimensional structure and function.
Alleles are different versions of a gene. They can result from mutations or changes in the DNA sequence. Different alleles of a gene can produce proteins with different structures and functions, which can result in different characteristics in an organism. For example, the gene that determines eye color has several different alleles, which can result in different eye colors in people.
Learn more about nucleotide, here:
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7. HELP URGENT BEAINLYWhat does most cell division produce?
Answer:
There are two mitosis and meiosis.
Exam Instructions
Question 14 of 20 :
Select the best answer for the question
14. Which feature is believed to have been the first step in the evolution of land plants from th
O A. Evolution of vascular tissue
O B. Protection of the embryo
C. Evolution of microphylls
D. Evolution of flowers to attract pollinators
Mark for review (Will be highlighted on the review page)
N
w
Answer:
Explanation:
a coalition government forces
Where is the gene for eye color found in a cell
Answer:
OCA2 and HERC2
Explanation:
what is the glue that holds together our solar system
Answer:
gravity
Explanation:
Gravity is the powerful force that glues our universe together. Gravity helped form our solar system, the planets, and the stars. It holds the planets in orbit around the Sun, and moons in orbit around the planets.
how are hurricanes started? rain
snow
thunderstorms
sleet
Answer:
A pre-existing weather disturbance: A hurricane often starts out as a tropical wave. ... Thunderstorm activity: Thunderstorms turn ocean heat into hurricane fuel. Low wind shear: A large difference in wind speed and direction around or near the storm can weaken it
Explanation:
Answer:
and wind
Explanation:
∠A and \angle ∠B are supplementary angles. If m\angle A=(3x-23)^{\circ}∠A=(3x−23)
∘
and m\angle B=(2x-12)
∘
, then find the measure of \angle ∠B.
Answer:
[tex]B = 74[/tex]
Explanation:
Given
[tex]A=(3x-23)[/tex]
[tex]B=(2x-12)[/tex]
Required
Find B
Since A and B are supplementary, then:
[tex]A + B = 180[/tex]
Substitute values for A and B
[tex]3x - 23 + 2x - 12 = 180[/tex]
Collect Like Terms
[tex]3x + 2x = 180 + 23 + 12[/tex]
[tex]5x = 215[/tex]
Divide through by 5
[tex]\frac{5x = 215}{5}[/tex]
[tex]x = 43[/tex]
Substitute 43 for x in [tex]B=(2x-12)[/tex]
[tex]B = 2*43 - 12[/tex]
[tex]B = 74[/tex]
Where do the convection currents occur?
Answer:
In the mantle
Explanation:
They occur in the asthenosphere and mesosphere
What are the items that attach on the inside of the mineral to give the mineral its shape
Answer:
Molecules.
Explanation:
Molecules are the items that attach on the inside of the mineral to give the mineral its shape. The molecule of a mineral is a crystal three-dimensional regular structure (arrangement) of chemical particles that are bonded together and determines its shape.
Due to the fact that, these molecules are structurally arranged or ordered and are repeated by different symmetrical and translational operations they determine the shape of minerals.
Which organelle is labeled I?
nucleus
mitochondrion
ribosome
chloroplast
Answer:
i think its d
Explanation:
Hey guys! I have a quick multiple choice question for you. 10 points!
Answer:
A
Explanation:
i have to say A but im not sure this is hard
PLEASE HELPPP ANSWER NEEDED ASAP