la verdad que
Explanation:
I need help with dis plz the one dat says during
Answer:
cytokinesis
Explanation:
It’s the process that separates the parent cell into two indistinguishable daughter cells
what is the difference between DAMPS and PAMPS?
The difference that can be attributed to both PAMPs and DAMPs is ;
PAMPs is one that drive inflammation as a result of infection and it is usually derived from microorganisms.DAMPs is been derived from some host cells.What are PAMPs and DAMPs ?Both PAMPs and DAMPs always posses their own derivation, DAMPs goes with host cell which could be tumor cells, dead or dying cells, and PAMPs on the other hand is been drive inflammation in response to infections.
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Explain why sickle cell anaemia is persistent in the tropics yet it is lethal and these areas have high malaria Providence.
Sickle cell anemia is persistent in the tropics because those with sickle cell anemia cant contract the malaria virus because of the shape of their blood cells, and this is advantageous in the tropics where there are more malaria cases. So those with sickle cell anemia live to pass on their genes.
Grace wanted to find out the best conditions for growing lettuce plants.
She took 4 trays and planted 8 lettuce plants in each.
The results of her investigation are shown below.
How many days did the investigation last?
Use the table to help you.
Explanation:
the investigation lasts for 7 days.
hope this helps you.
pls I need answers ASAP,thank you
What are the unique properties of carbon
carbon have high catination property means self linking property
The structure that regulates air pressure between the external atmosphere and the middle ear cavity is known as the:
Answer:auditory tube
Explanation
The structure that regulates air pressure between the external atmosphere and the middle ear cavity is known as the Eustachian tube.
What is the structure of Ear?The ear is a type of organ of hearing and balance which consists of a cavity in the skull structure lined with soft tissue. It surrounds three distinct spaces filled with air or fluid i.e. the outer, middle, and inner ear. These specialized spaces host both the sound transmission apparatus and the sensory apparatus.
Types of bones present in the ear are
1. Hammer shaped bone known as malleus which is attached to the eardrum.
2. Anvil shaped bone known as incus present in the middle of the chain of bones.
3. Stirrup shaped bone known as stapes is attached to the membrane-covered opening which connects the middle ear with the inner ear (oval window).
The cavity of the middle ear is a narrow air-filled space which is a slight constriction divides it into an upper and a lower chamber known as tympanic cavity proper below and the epitympanum above. The main function of the Eustachian tube is to equalize the air pressure between the environment and the middle ear.
Thus, the structure that regulates air pressure between the external atmosphere and the middle ear cavity is known as the Eustachian tube.
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which one of the following is a DNA virus
A: Hin1 B: Hepatits C: HIV D: Herpes Complex
Answer:
Hepatitis definitely but Herpes is double stranded but I’m not sure.
Explanation:
how do the ranges for the marine bird and sea turtle species species compared
Answer: Varies
Explanation:
It's based on there being many different types.
Name the organ that helps a turtle to swim in water?
Answer:
Turtles utilize all four of their legs, extending them to propel themselves through the water.
Explanation:
What color do you see when all colors of light are reflected? (2 points) Group of answer choices Black Blue Maroon White
Answer:
white
Explanation:
Answer:
white colour
Explanation:
when all colours are reflected back then we see white colour
What does the cell nucleus contain?
cytoplasm
vacuoles
chromosomes
chloroplastsWhat does the cell nucleus contain?
cytoplasm
vacuoles
chromosomes
chloroplasts
A nucleus cell contains chromosomes among other things.
list the steps of reasoning that Darwin gave to explain the process of natural selection
Answer:
variation,inheritance,high rate of populations growth,differential survival and reproduction
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How to find cane yield?
From an agronomical point of view, there is a lot that the grower can do to maximize sugarcane yield. Proper crop nutrition is an important factor to achieve this.
In a large number of cases, nutrients that drive sugarcane yield forward, will also improve the sugar content and quality of the harvested sugarcane crop.
Most required nutrients have specific roles to play in improving yield:
1) The stomach is an organ of the digestive system. It is made up of several types of tissue that work together. What kinds of tissue make up the stomach? Choose ALL that apply.
A) nervous
B) smooth muscle
C) dense connective
D) simple columnar epithelial
E) stratified squamous epithelial
Answer:
c)dense connective
Explanation:
Answer:
c) dense connective
Explanation:
What is the most likely explanation for
the DNA found in mitochondria?
Answer:
Origin. Nuclear and mitochondrial DNA are thought to be of separate evolutionary origin, with the mtDNA being derived from the circular genomes of bacteria engulfed by the early ancestors of today's eukaryotic cells.
Explanation:
Proszeee o poommoooc
Answer:
Explanation: Proszeee o poommoooc
The cuticle which covers crustacean bodies is composed of
what are the production characteristics of hampshire swine?
They have erect ears. The belt is a strip of white across the shoulders that covers the front legs around the body.
Ribosomes are produced in an area of the nucleus known as the
• Nucleolus
• Adenosine triphosphate
• Golgi apparatus
• Endoplasmic reticulum
Why shoud temperature and oxygen be measured in a fish salinity tolerance experiment?
First, the solubility of oxygen decreases as temperature increases ¹. This means that warmer surface water requires less dissolved oxygen to reach 100% air saturation than does deeper, cooler water.
PLEASE HELP!!!!!! How many carbon dioxide (CO2) molecules are needed so there are enough Carbon atoms to make a glucose molecule?
Answer:
ok I know this is late and you probably don't need me anymore but the answer is 6
Explanation:
( love the pfp)
Your Mother needs to transfer (i.e., encode) a list of 25 vocabulary words from her STM to her LTM. She asks for your help. You suggest that she use elaborative rehearsal and you begin to train her in this technique. What do you ask your Mother to do?
1) you ask her to repeat the words over and over again
2) you ask her to give each word meaning by using each word in a sentence
3) you ask her to break down each word into various "chunks"
4) you ask her to memorize each word and its meaning
*PLEASE ADD EXPLANATION*
The best technique for your mother is that she uses each word in a sentence to give it a meaning, and remember it better (option 2).
Elaborative rehearsal is a common technique used to remember information in a long-term way. Due to this, this technique can be used to move information from short-term memory to long-term memory.
In this technique, the main purpose is to associate the new information with something you already know. In learning new words, this can include:
Associating new words to images.Creating examples of sentences.Associating a new word to a synonym you already know.In this context, the technique that is part of elaborative rehearsal is using the word in a sentence (option 2).
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Question in the picture
Answer:
1.255hpq
Explanation:
hope it helps po...
Which of the following best explains the strength of collagen fibers?
I'm really sorry but you didn't provide any options...
Collagen fiber is the fiber in the extracellular matrix of connective tissues characterized by being elongated and made up of collagen glycoproteins. It is typically arranged in branching bundles of indefinite length. It is a strong insoluble fiber. It occurs in the skin, tendon, ligaments, bone, and cartilage.
Indicater I need the meaning
Answer:
indicator can mean two different things,
1. a thing, especially a trend or fact, that indicates the state or level of something.
2. a gauge or meter of a specified kind.
Hope this heled!
Assume for the purposes of this problem that the order of and distances between three linked genes are the following: unc-32 10mu vab-7 20mu dpy-17 What is the probability of obtaining a phenotypic unc-32 vab-7 offspring from a cross between a heterozygous fly(unc-32 vab-7 dpy-17/ ) and the triple recessive nematode
From the distances between genes and their order, it is possible to get recombination frequencies per region (simple and double recombination frequencies). The probability of obtaining a unc-32 vab-7 + offspring is 0.09 = 9%.
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We are usually asked to get the order of genes in a chromosome. To do so, we need to get the distances between genes. And to get distances between genes, we need to get their recombination frequency.
When three genes are involved, we get the distances by taking the recombination frequency, P, per region.
We talk about regions, R, when we are making reference to the space between two genes.
Gene 1 -----(R1)----- Gene 2 --------(R2)------ Gene 3
P1 P2
P1 = recombination frequency between Gene 1 and Gene 2P2 = recombination frequency between Gene 2 and Gene 3⇒ P1 = (SR + DR) / N
⇒ P2 = (SR + DR)/ N
Where:
SR is the number of simple recombinants in each region, DR is the number of double recombinants in each region, and N is the total number of individuals.The genetic distance will result from multiplying that frequency by 100 and expressing it in map units (MU). One centiMorgan (cM) equals one map unit (MU).
In the exposed problem, we need to do the inverse way. We already have the order and distances between genes, and we need to get the recombination frequency, P.
We know that the order of genes is as follows,
unc-32 ------------- vab-7----------------- dpy-17
Distances are:
Region 1 = 10 MURegion 2 = 20 MUWe need to get the probability of obtaining a phenotypic unc-32 vab-7 + offspring from a cross between a heter0zyg0us fly (unc-32 vab-7 dpy-17/ + + + ) and the triple recessive nematode (unc-32 vab-7 dpy-17 / unc-32 vab-7 dpy-17).
Cross:
unc-32 vab-7 dpy-17 / + + + x unc-32 vab-7 dpy-17 / unc-32 vab-7 dpy-17
To get the genotype unc-32 vab-7 + , a simple recombination, SR, must occur in region 2.
So we need to get the simple recombination frequency in Region 2.
To do so, first we need to clear the following equation
Distance between vab-7 dpy-17 = P2 x 100 = 20 MU
20MU = P2 x 100
P2 = 20 / 100
P2 = 0.2
The recombination frequency in region 2 (P2) is 0.2.
Now, we need to get the simple recombination frequency in this region.
P2 = (SR + DR) / N
P2 = Simple recombinants Frequency + Double recombinants Frequency
R1 = 10 MUR2 = 20 MUDouble recombinants Frequency = 10% x 20% = 0.1 x 0.2 = 0.02P2 = Simple recombinants Frequency + Double recombinants Frequency
0.2 = Simple recombinants Frequency + 0.02
Clearing the equation,
Simple recombinants Frequency = 0.2 - 0.02 = 0.18
Simple recombinant frequency in region 2 will produce the following two chromosomes,
unc-32 vab-7 ++ + dpy-17So half of this frequency will produce one chromosome, and the other half will produce the other chromosome.
unc-32 vab-7 + ⇒ 0.09+ + dpy-17 ⇒ 0.09So, the probability of obtaining a phenotypic unc-32 vab-7 + offspring is 0.09 = 9%.
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The sequence by which electrons travel downhill during aerobic respiration. The se sequence has NADH, oxygen chain of transportation of electron, food and NAD.
Respiration (both aerobic and anaerobic) begins with glycolysis in the cytoplasm of a cell;
1 glucose molecule (C₆H₁₂O₆) is converted into 2 molecules of pyruvate in a 10-step process, consuming 2 ATPs and yielding 4 ATPs;
Additionally, 2 NAD+ molecules are reduced to NADH molecules;
In aerobic respiration, each pyruvate molecule then goes through the link reaction, getting converted to acetyl co-A in the mitochondrial matrix, producing 1 CO₂ molecule and 1 reduced NADH molecule;
Acetyl co-A then enter the Krebs or tricarboxylic acid cycle (TCA) where 2 CO₂, 1 ATP, 3 NADH (by reduction of NAD+) and 1 FADH₂ molecules are produced;
The NADH and FADH₂ molecules produced are electron carriers required for the electron transport chain (ETC);
The electron transport chain consists of 4 proteins within the inner mitochondrial membrane which are involved in the production of ATP by oxidative phosphorylation;
The first protein (C1) is responsible for oxidising NADH to NAD+, releasing energy used to generate the proton motive force (PMF) by pumping the protons (H+ ions) into the intermembrane space and the electrons released are transferred to a ubiquinone molecule;
The second protein (C2) is responsible for oxidising FADH₂ to FADH, also releasing energy used to generate the proton motive force (PMF) and, similarly to C1, the electrons released are transferred to ubiquinone;
The third protein complex (C3) transfers the electrons from ubiquinone to cytochrome C;
Finally, cytochrome C transfers these electrons to the fourth complex (C4), where they combine with free protons in the matrix and O₂ to to produce H₂0;
The PMF is then harvested via an ATP synthase protein where H+ flood back into the mitochondrial matrix, and the energy released is used to generate ATP from ADP and Pi;
ATP is now ready for use for bodily processes requiring it.
Scientists primarily use two different techniques to create multiple copies of a DNA sequence: cloning and polymerase chain reaction (PCR). Which of the following statements about these methods is true?
Cloning is more rapid than PCR at creating billions of copies of a DNA sequence.
PCR can be used to translate DNA into a protein, while cloning cannot.
PCR generates more copies of a DNA sequence in less time than cloning.
PCR is better at creating copies of large DNA samples than cloning.
Answer:
The answer to your question would be Option 3.
PCR generates more copies of a DNA sequence in less time than cloning.
Explanation:
PCR creates copies exponentially, creating many copies in a short amount of time.
Answer:
PCR generates more copies of a DNA sequence in less time than cloning.
Explanation:
I took the test.
Which selection from the article "Scientists study Persian Gulf reefs for coral survival clues" identifies the biggest threat to coral reefs?
Question 5 options:
Warming waters spark bleaching events. Along with the bleaching, the ocean is becoming more acidic.
The researchers demonstrated that this new organism was the most commonly found algae throughout the gulf's coral reefs. They say it probably adapted as a result of the gulf's harsh conditions.
Warm and acidic water leads to bleaching of coral reef and the new algae can survive due to mutation in its gene.
The biggest threat to coral reefs in the Persian gulf is the warming of waters due to climatic change as well as acidification of water. Algae present on coral reefs can't tolerate acidic water as well as warm water which leads to the death of algae and the coral looks white or colorless.
A new organism was the most commonly found algae throughout the gulf's coral reefs due to change in the genetic makeup due to harsh climatic conditions so we can conclude that warm and acidic water leads to bleaching of coral reef and the new algae can survive due to mutation in its gene.
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