Answer:
1. generation or birth or gender) is a basic unit of heredity and a sequence of nucleotides in DNA that encodes the synthesis of a gene product, either RNA or protein.
2: 1. Body cells make up the body of any multicellular organism. On the other hand, a gamete is a sex cell that can either be a sperm or egg cell.
2. Body cells undergo the process of mitosis while gametes undergo a process called meiosis.
3. A body cell contains a complete number of chromosomes and is called a diploid cell while a gamete contains only half the number of chromosomes of its parent cell, and it is called a haploid cell.
3. Identical twins
4. nucleotide triplets
5. A gene is a sequence of nucleotide bases that specifies certain products; RNA or proteins. It is the segment of DNA that holds the information to build and maintain an organism's cell and also pass genetic traits to offspring. Hence, it is the molecular unit of heredity in living organisms.
The DNA is a long double-helical structure that stores the genetic information in our cells. It consists of two long polynucleotide chains composed of the four nucleotides subunits (A, C, G, T).
In order for the long strand of DNA to fit into the cell's nucleus, it is coiled around certain proteins called HISTONES to form Chromatin, which undergoes further coiling and organization to to linear CHROMOSOMES.
The chromosomes are structured within the nucleus, that are made up of the cell's genetic material (DNA). In eukaryotic cells, the nucleus houses the cell's DNA and directs protein synthesis (expression of the information encoded by genes).
Explanation:
Where does fertilization of an ovum occur?
Answer:
a. In the fallopian tubes
Explanation:is correct. post protected
True or False: Transcription and Translation can occur at the same time for a single mRNA in prokaryotes.
Answer:
False, they cannot
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The primary electron acceptor in photosystem II is __________. Group of answer choices P700 P700 P680 P680
Answer:
680
Explanation:
When the P680 special pair of photosystem II absorbs energy, it enters an excited (high-energy) state. Excited P680 is a good electron donor and can transfer its excited electron to the primary electron acceptor, pheophytin.
organisms that have bigger genomes are more complex than organisms with smaller genomes.
_____ mimic the process of natural evolution to generate solutions to optimization and search problems.
Search algorithms are used to generate solutions to optimization and search problems.
Search algorithms that mimic the process of natural evolution. Search algorithms can be used to generate solutions to optimization and search problems using techniques such as mutation, selection, crossover, and chromosome.
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the group of blood disorders in which blood oxygen levels are inadequate to support normal metabolism is called
Answer:
anemia
Explanation:
the level of red blood cells in the body is lower than normal, which means that the body does not have enough oxygen :)
How do CAM plants photosynthesize under bright hot conditions without drying out?
Answer:
by sealing their leaves against water loss and trapping carbon as organic acids
Explanation:
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when nonsister chromatids exchange genes it is called:
Answer:Chromosomal crossover, or crossing over
Explanation:
Chromosomal crossover, or crossing over, is the exchange of genetic material during sexual reproduction between two homologous chromosomes' non-sister chromatids that results in recombinant chromosomes.
Which of these choices is a benefit of the Endangered Species Act?
A. Can prohibit removal of dangerous animals
B. Can interfere with economic progress
C. Can cost a lot of money to enforce
O D. Can save species from extinction
Answer:
D. Can save species from extinction
Explanation:
As saving species from extinction is what Endangered Species Act would want as endangered means that the animal is close to dying and is in danger of being there no longer
Benefits of the Endangered Species Act can prevent the extinction of certain species. So, the correct option is D.
What is Endangered species Act?One of America's most important and effective environmental legislation is the Endangered Species Act. It shows that Americans are willing to cooperate in order to preserve and safeguard the species that are most in danger of going extinct for good.
For landowners, government organisations, and concerned citizens, the legislation offers reasonable, well-balanced options for preserving endangered wildlife and its ecosystems. There are three crucial components in it:
1. Preventing harm or extinction of the listed species
2. Creating strategies to reestablish healthy populations
3. Protecting habitat, which is crucial to the survival of these species.
Therefore, the correct option is D.
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All nine essential amino acids can be found in meat. By employing the nutritional principle of complementarity, a vegetarian gets all nine. What is complementarity
Answer:
All 9 essential amino acids can be found in meat. By employing the nutritional principle of complementarity, a vegetarian gets all nine. What is complementarity? Combining foods that complement each others essential amino acids.
Explanation:
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the heart of an embryo starts to pump blood by the ________.
Answer:
fourth week of pregnancy
Explanation:
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Determine which of the following steps cannot occur in the rock cycle.
magma → sedimentary rock
sedimentary rock → metamorphic rock
metamorphic rock → magma
igneous rock → sediment
thanks :)
Answer:
magma > sedimentary rock
Explanation:
magma can only be cooled into an igneous rock but cannot directly be formed into a sedimentary rock.
if a cell is in a state in which it no longer divides then the cell is probably arrested at which stage of the cell cycle?
Answer:
Interphase
I
Explanation:
Interphase is the period of the cell cycle during which the cell is not dividing. The majority of cells are in interphase most of the time. Mitosis is the division of genetic material, during which the cell nucleus breaks down and two new, fully functional, nuclei are formed.
Observa el mapa de las fallas tectónicas de la Hispaniola y luego escribe las instrucciones
Porfa díganlo. rapido
Answer:
El 14 de agosto de 2021, un terremoto de magnitud 7,2 sacudió Haití. El terremoto más grande en la región desde 2010, el desastre dejó al menos 2,000 personas muertas, 12,000 personas heridas y casi 53,000 casas destruidas.
the male reproductive system and the urinary system share which organ?
Which of the following is a good way to prevent tonsillitis?
Answer:
d. All of the above
Explanation: is correct and post protected
This pedigree chart tracks the inheritance of a recessive trait that is not linked. Based on the information in the chart, which of the following statements is true?
Individual #8 must be for the trait.
Individual #10 must be for the trait.
Individual #13 must be .
Individual #3 must be .
Answer:
A. Individual #8 must be heterozygous for the trait.
What are the missing coefficients for the skeleton equation below? N2+ H2-->
NH3
(A)3,1,2 (B)1,3,3 (C)1,3,2 (D)1,1,2 (E)2,6,6
most of the surface area of a plasma membrane consists of
Answer:
50% liquid and 50% protien by wieght
During cellular respiration, most of the ATP energy generated comes from the electron transport chain. True false question. True False
Answer:
A true
Explanation:
only 4 at is created outside the electron transport chain
but cellular respiration produces at net gain of 36 atp
thus the other 32 atp comes from the electron transport chain
Factors
Increase or Decrease
in Carrying Capacity?
Answer:
Carrying capacity, or the greatest number of people that an environment can support over time without harming or degrading it, is controlled by a few basic factors: food supply, water availability, and space. Carrying capacity, or the greatest number of people that an environment can support over time without harming or degrading it, is controlled by a few basic factors: food supply, water availability, and space.
Explanation:
What type of solution causes a cell to shrink in size?
O Isotonic
O Homeotonic
O Hypertonic
O Hypotonic
how many feet of intestines does the average person have
What is the term for the congenital absence of the urinary bladder?
Answer:
Urinary bladder agenesis
Explanation:
Bladder agenesis may be the result of secondary atrophy of the urogenital sinus, perhaps owing to the lack of distension with urine caused by failure of incorporation of the mesonephric ducts and ureters to develop into the trigone.
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which hormone signals the breakdown of glycogen in the liver increasing glucose in the blood?
Answer:
The answer is glucagon
Explanation:
When the blood sugar level drops down, the glucagon hormone converts the glycogen into glucose and raises its level in the bloodstream.
Glycogen is a main source of energy for the body. Glycogen is stored in the liver. When the body needs more energy, certain proteins called enzymes break down glycogen into glucose. They send the glucose out into the body.
Which hormone stimulates the breakdown of glycogen in the liver into glucose?Glucagon's role in the body is to prevent blood glucose levels from dropping too low. To do this, it acts on the liver in several ways: It stimulates the conversion of stored glycogen (stored in the liver) to glucose, which can be released into the bloodstream.
How does glucagon increase blood glucose?
When your blood glucose levels trend lower or fall too low (hypoglycemia), your pancreas releases more glucagon. Glucagon helps blood glucose levels rise back up in multiple ways, including Glucagon triggers your liver to convert stored glucose (glycogen) into a usable form and then release it into your bloodstream.
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If a cell being observed has been magnified 200x under the HPO with a magnification of 40x, what is the magnifying power of the eyepiece used?
Answer:
5x
Explanation:
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Drug Y inhibits the activity of parasympathetic information. Which cranial nerve would possibly be affected
Making changes to the secondary structure of hair has a different outcome than making changes to its tertiary or quaternary structure. How does this outcome differ
The outcome differs in the way that the protein folds itself at each level. The changes in the way that it folds lead to:
modifications in the function, shape or in the combination with other proteins.
Protein has different levels of structure. Each of them is related to how the amino acids and other molecules interact with each other. Hair is made of proteins, so if one of the structures is affected, the hair is too.
Let's analyse what happens in each level of structure:
In the case of the primary structure, which is the sequence of amino acids, the modification will give a non-functional protein that will not fold into the following structural level. So, there won't be new hair.For the secondary structure, a modification here can lead to a different folding. In other words, it can change from an α helix to a β pleated sheet or the other way round. This will give a different shape to the hair, like curly or straight.A modification in the tertiary structure modifies the interaction of the R groups in the protein, so the three-dimensional structure that this interaction gives will change, giving a different type of hair.Lastly, if we modify the quaternary structure, the protein won't interact with some proteins, but it may interact with others.
In conclusion, the modification of the secondary structure changes the interaction between the elements of the protein giving hair with different shapes.
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Answer:
Changes in secondary structure are temporary, while changes to tertiary or quartenary structure are permanent.
Aupporting cells of the nervous system are collectively called:
Supporting cells of the nervous system are collectively called neuroglia.
Answer:
They are called neuroglia or glial cells.