help asap giving branlist!!!!!

Answer:

The sequence is TCAA

Explanation:

Deoxyribonucleic acid (DNA) is a molecule composed of two complementary chains of nucleotides. The nucleotides are in turn composed of one nitrogenous base, one deoxyribose sugar, and one phosphate group. The four different types of nitrogen bases found in DNA are thymine (substituted by Uracil during RNA transcription), adenine, cytosine and guanine. These bases bind by complementary base pairing to form an antiparallel double-strand. The complementary base pairing rule states that thymine forms two hydrogen bonds with adenine, while cytosine forms three hydrogen bonds with guanine.

Answer:

TCAA

Explanation:

A matches to T and G matches to C.

Answer:

Based on novel approaches, it has been seen that symbiotic associations prevails between a host and one to thousands of more microbes, which challenges the previous meaning of symbiotic association as one that takes place between the host and a single microbe. It was considered previously that symbiotic association’s takes place only between the pair of single microbe and host.  

However, newer approaches has revealed that such kind of association can take place between one microbe and many other hosts. A symbiotic association can take place between microbe-microbe, plants-plants, microbe-plants, and others. However, symbiotic association has never been found to take place between a bacteria and animal host. The symbiotic associations are always not parasitic.  

Answer:

C

Explanation:

Although Ebola isn't transferred by the air and through touch. Bodily fluids like sweat, saliva, urine, breastmilk, semen, and vomit all transmit the disease, if a person gets it in a cut or is directly introduced by it (sexual intercourse.)

Answer:

D. Alternative mRNA processing.

Explanation:

Answer:

symbiotic relationship

Explanation:

Answer:

The correct options are: A " vestigial wings, red eyes" and D "full wings, purple eyes"

Explanation:

female parent: vg+pr+/vg pr

(phenotype - full winged and red eyes)

male parent:  vgpr/vgpr

(phenotype - vestigial winged and purple eyes)

Of these traits, vestigial wings and purple eyes are recessive traits. Hence, when a recombination event occurs, the offspring can potentially have a wild type trait paired with a recessive trait.

Answer:

1. chordata

2. nematoda

3. arthropoda

4. ecdysozoan

5. stem Cells

6. eukaryotic

7. radically

Chart answer:

Endoderm = Lungs, liver, pancreas, lining of gut organs

Mesoderm = Bone, muscle, heart, circulatory system

Ectoderm - Brain, nervous system, skin

Explanation:

Answer:

1. chordata

2. nematoda

3. arthropoda

4. ecdysozoan

5. stem Cells

6. eukaryotic

7. radially

8. Endoderm… Mesoderm becomes… Ectoderm becomes…

Lungs, liver, pancreas, lining of gut organs

Bone, muscle, heart, circulatory system

Brain, nervous system, skin

Explanation:

Answer:

Peyers patches

Explanation:

Peyers patches are group of lymphoid follicles found in the ileum of the small intestine.

This part of lymphatic system form part of immune system that help to control bacteria population in the small intestine and prevent the growth of pathogenic bacteria in the small intestines. It plays an important role in immune surveillance where it recognises pathogenic bacteria and destroy the bacteria.

It is a lymphoid organs destroys bacteria before it can breach the intestinal wall and generates "memory" lymphocytes for long-term memory because it form the part of the immune system which help to fight infection or foreign substances in the body, also by generating lymphocytes which is a white blood cells of the immune system which generate long term memory of foreign pathogens and destroying it.

Answer:

They use different detecting methods to assess neuronal circuits

Explanation:

Chemogenetics is a technique widely used in neuroscience research to explore signaling interactions by means of genetically modified receptors capable of interacting with small molecules. Chemogenetics was first used to determine the function of the chalcone isomerase gene by inducing mutations that altered its substrate specificity. On the other hand, optogenetics is a bioluminescence-driven genetic technique used to control genetically modified neurons that express light-gated ion channel genes. This technique is also used to monitor neuronal networks. In consequence, optogenetic and chemogenetic techniques have recently been combined in order to analyze neuronal circuits, it by analyzing the same actuator molecule.

Answer:

During the uterine month there are different phases through which the uterus passes, these phases are regulated by hormones and are responsible for producing the cycle necessary for fertilization.

Phase where menstruation occurs: This phase only happens if the woman was not fertilized and did not develop the diploid cell together with a sperm, since not being fertilized, all the uterine preparation that had been planned in the body for fertilization will be released as that we know "menstruation", in this phase estrogens and progesterone are low. The inner walls of the unfertilized uterus are released.

Follicular phase, in the follicular phase the ovaries prepare to release an egg and estrogen begins to rise. (From the first day of the period until ovulation)

Proliferative phase, in the proliferative phase, new vessels proliferate and the outermost layer of the uterus prepares itself for possible fertilization, is where spiral arterioles can begin to form again in the external cut of the myometrium.

Ovulation, here is where the mature ovum is called Graff's follicle, at this time estrogen reaches its peak and then descends.

Luteal phase, in the luteal phase the production of the luteal body is generated, at this stage progesterone takes center stage, and it is the range between ovulation and menstruation (if not fertilized)

Last phase, secret phase, in this phase there are two possible ends, if the woman is fertilized, the egg cell implants and begins the development of the embryo and if it is not fertilized, the entire external cut of the myometrium is prepared to be secreted.

Explanation:

A very important fact to clarify is that women are born with a quantity of ovules that at the end of this uterine cycle ceases to exist, this process is what we know as menopause.

That is to say that women have a quantity of ovules that will one day run out, and the body releases them from the menarche or the first menstruation, generating that in each released ovule a uterine cycle is completed, the day they end the woman will have reached menopause and would have no chance of being fertilized or completing the uterine cycle.

superficial layer of the endometrium is shed

basal layer of endometrium grows, forms gland and blood vessels

enriched endometrial blood supply

endometrial glands secrete nutrients into uterus

Answer:

Answered below

Explanation:

Legionnaires disease is a type of lung inflammatory disease or pneumonia, which is caused by infection from the bacteria Legionella bacterium.

Legionella bacterium can be spread by inhalation from water or soil. People with weakened immune systems are most susceptible as are smokers. Untreated legionnaires disease can progress to a fatality.

Some of the questions to ask of a victim or of surviving relatives include;

1) Any visits to swimming pools?

2) Source of drinking water?

3)Any visits to fountains?

4) Contacts with victims and their personal belongings?

5)Is any relative or victim immunocompromised? Do they have diseases that might lower their immune response?

6) Are they smokers?

Answer:

the tropics have more species because of the more humid enviroments because not many warm blooded animals can live near the poles. because of the abnormally cold temperatures, not many animals can survive unlike in tropical areas where there is a more vaste amounts of food and plant species, also shelter.

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.

Hope this helps

-lvr

Explanation:

The end result is glucose, with oxygen being the waste product. The two processes are similar in that they both produce energy, albeit in two different forms. They are different in that photosynthesis assembles the glucose molecule, while cellular respiration takes it apart.

Answer:

there are 4 more phases that occur during meiosis than mitosis

Answer:

The answer is.....

Explanation:

C. Four

Answer: Option E.

DNA micro array.

Explanation:

DNA microarray is a technique that involves hybridizing cDNA into a chip that contains thousands of single stranded DNA sequences. This technique enables one to study expression of thousands of genes at the same time.looks for extra (duplicated) or missing (deleted) chromosomal segments, sometimes called copy number variants (CNVs).

DNA microarrays are microscope slides which are printed with thousands of tiny spots in specific different positions, and each of the spots contain a known DNA sequence or gene.

primary use of DNA microarrays is transcriptional profiling.

The basic principle behind the DNA microarray is “ nucleic acid hybridization.

Answer:

Photosynthesis: 6CO₂ + 6H₂O + solar energy ----> C₆H₁₂O₆ + 6O₂

Cellular Respiration: C₆H₁₂O₆ + 6O₂ ----> 6CO₂ + 6H₂O + ATP

Hope that helps.

The correct equation for cellular respiration and one for photosynthesis are:

Photosynthesis: 6CO₂ + 6H₂O + solar energy ----> C₆H₁₂O₆ + 6O₂

Cellular Respiration: C₆H₁₂O₆ + 6O₂ ----> 6CO₂ + 6H₂O + ATP

Cellular respiration is a process of converting food into energy that can be used in many processes. It happens when oxygen is combined with food material and releases carbon dioxide as a waste product.

The correct reaction of photosynthesis is when carbon dioxide and water are combined with sunlight to form glucose and oxygen.

The correct reaction of cellular respiration is when glucose and oxygen react and release carbon dioxide and water and energy,

Thus, the correct reactions are:

Photosynthesis: 6CO₂ + 6H₂O + solar energy ----> C₆H₁₂O₆ + 6O₂

Cellular Respiration: C₆H₁₂O₆ + 6O₂ ----> 6CO₂ + 6H₂O + ATP

Learn more about cellular respiration, here:

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Answer:

C

Explanation:

Commensalism is where one organism benefits while the other is neither harmed nor benefited.

A - Both parties benefit

B - Bacteria benefit, the human is harmed

C - Birds benefit, the tree neither

D - Mosquitoes benefit, cow is harmed

Answer:

Telophase I: 8 chromosomes composed of two sister chromatids  

Crossing over refers to the mechanism of recombination, this process being characterized in that increases the genetic variation

Spermatogenesis refers to the mechanism of formation of male gametes (sperms), while oogenesis is the process of formation of female gametes (oocytes)

Explanation:

Telophase I is the final step in meiosis I. During telophase I, the nuclear membrane is formed around the decondensed set of chromosomes and the nucleoli reappear.  

Spermatogenesis refers to the process by which haploid male germ cells (sperms) are generated within the seminiferous tubules in the testis, while oogenesis refers to the process of differentiation of the female egg cells (ova or oocytes) in the ovaries. Spermatogenesis is known to produce small and motile spermatic cells, while oogenesis is known to produce bigger non-motile oocytes.

Answer:

The structure of the body's organs and systems

Explanation:

In medicine, a cadaver is a dead human body dissected in order to study its anatomical structure. It is employed by medical students and other medical practitioners to study the structure of the human body.

Anatomy is a branch of science that has to do with the study of the structure of living organisms. Relating anatomy to cadaver, these dead bodies are dissected in order to view and study the structure of the different compartments of the body e.g organs, systems etc.

Answer:

the importance of autotrophic organisms with respect to energy flow and nutrient cycling in ecosystems. Primary producers usel solar or chemical energy to manufacture their own food and they use this energy through cellular respiration and growth and reproduction--energy used for NPP.

Answer:

The disadvantages of the given instance are mentioned below.

Explanation:

This analysis seems to be a tool device used to evaluate the proportion of the population.

Disadvantages:

Answer:

400 yayyyyyy

Explanation:

yvhjghkkkkhhh

Answer:400

Explanation:

20

x20

_____

00

+400

--------

400

Answer:

The options are

a.cooling of the power plant

b.mining of uranium

c.storage of radioactive waste

d.monitoring the reactor

The answer is b.mining of uranium

Explanation:

Uranium is known as a radioactive element which is used as a fuel to power a nuclear energy plant. Mining of uranium could cause it to mix with air and water which results in contamination.

When contamination occurs and it gets into the body of humans or animals by inhalation or ingestion it poses a high risk of cancer and kidney damage.

The polychaete worms living near the underwater volcanic vent are called Pompeii worms because they look like the ancient Roman city of Pompeii and because they are the most heat-tolerant animals on Earth.

Polychaetes are found in many parts of the world and play many important roles in the environment, such as their importance in marine and freshwater ecosystems. They also have a rich fossil record, which helps scientists study evolution, polychaetes are commonly used as model organisms in biological research, and polychaetes are studied to clean up contaminated environments through bioremediation.

Hence, the polychaete worms living near the underwater volcanic vent are called Pompeii worms because they look like the ancient Roman city of Pompeii and because they are the most heat-tolerant animals on Earth.

Learn more about the polychaete here.

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Answer:

the misinformation effect

Explanation:

In psychology, misinformation effect occurs when false memories are formed as a result of the misleading information that was provided after the original event has taken place. This effect was studied by a psychologist named Elizabeth Loftus.

Elizabeth Loftus in her series of experiments discovered that false memories about an event can be induced by suggesting or giving wrong information about it. Hence, the involved persons remember a wrong information about the experienced event based on what they were led to remember via wrong information.

This is the case Felice, who was fed with a wrong information about the scar on her arm. This information make her have a false memory of the event i.e dog bite instead of a broken glass

Answer:

a. Angiosperm are plants (autotrophs) that use photosynthesis to produce their own food, while vertebrates are animals (heterotrophs) that obtain their food from other organisms. Vertebrates include fish, amphibians, reptiles, mammals and birds.

b. Adaptations in angiosperms include two reproductive structures 1- fruits (ovaries), whose main function is to disperse the seeds and 2- flowers that ensure pollination and protect the embryo sac during its formation.

c . Examples:

1- The mycorrhizal symbiosis between plant roots and symbiotic fungi plays a key role in nutrient uptake from the soil. Arbuscular mycorrhizal is a type of symbiosis where a fungus of the phylum Glomeromycota penetrates the cortical root cells of vascular plants to produce specialized structures named arbuscules.

2- Microflora in the vertebrate digestive tract. The microorganisms that live in the digestive tract of vertebrate species are beneficial for the absorption of nutrients. For example, in humans, Saccharomyces boulardii has shown to have a probiotic effect by increasing intestinal homeostasis, thereby enhancing nutrient uptake.

Answer:

Answered below

Explanation:

Hemoglobin is found in the red blood cells and is responsible for the transportation of oxygen from the lungs to the various body cells.

Oxygen binds to hemoglobin because it has a high affinity for it. This aids its transportation. When it gets to the cells it unbinds and get transported into the cell for use in energy production.

Carbon monoxide is an odourless, dangerous gas which has more affinity for hemoglobin than oxygen. Therefore when carbon monoxide is inhaled, it quickly binds to hemoglobin, thereby displacing oxygen. It binds to hemoglobin for a longer period and due to this, the body does not get any oxygen and cells begin to die.

Symptoms of carbon monoxide poisoning include dizziness, headaches, fatigue and coma.

Answer:

A common feature in mRNAs that allow extraction from the cell is the 5' cap region which has a Guanine nucleotide attached to the mRNA in an atypical five prime to five prime triphosphate linkage.

Explanation:

The 5' cap structure serves to protect the mRNA against damage from RNA phages and an extraction protocol an be used to isolate the mRNAs from the cells. Reagents such as Dichloromethane, sodium hydroxide and diethyl ether in aqueous solution helps separate the organic layer, a silica-gel column can be used to further isolate the mRNAs

Answer:

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Explanation:

Swimmers push water backwards to propel forwards. In other words, swimmers push their hands and legs against water to move forward. This is stated in the third law of motion, for every action, there is an equal and opposite reaction.