For protein translation to begin, the codon AUG must be identified.
PROTEIN SYNTHESIS:
Protein synthesis is the process whereby living organisms synthesize proteins using the information stored in their DNA. Protein synthesis involves transcription and translation. Transcription occurs in the nucleus where DNA is used as a template to synthesize mRNA. Translation occurs in the ribosome where mRNA transcript is used to synthesize amino acid sequence. During translation, mRNA codons are read and binded to by the anticodons of a tRNA molecule.However, for translation to begin, a specific mRNA codon called START CODON with the sequence: AUG must be identified first.
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Answer: The correct answer is The codon AUG must be identified.
Explanation: Confirmed correct. :)
PLEASE HELP ME ASAP BECAUSE IT IS DIFFICULT TO UNDERSTAND. Explain it for me.
Answer:
C.
Explanation:
For mRNA strands, there are four letters used in their code. A (adenine), U (Uracil), G (guanine), and C (cytosine.)
For RNA, it is the same, but the Uracil is replaced with Thymine (T).
A always pairs with U.
G always pairs with C.
YOUR QUESTION:
The scientist's strand code is has to convert the Thymine to Uracil since it is RNA instead of mRNA.
Hopefully this somewhat helped :)
what is the importance of autotrophic organisms for other organisms?
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.
14. Which of the following may produce more than one functional protein
from an mRNA transcript?
a. chromatin condensation c. epigenetics
h transcrintional regulation d. alternative mRNA processing
Answer:
D. Alternative mRNA processing.
Explanation:
Please help!!!!! science, please explain in sentence cause yes i don’t know where to find these answers !
Answer:
1. DNA replication.
2. rRNA - is called the ribosomal RNA which serve as structural components of protein-making structures known as ribosomes.
mRNA - is called the messenger RNA which serve as temporary copies of the information found in DNA.
tRNA - is called transfer RNA, that ferry amino acids to the ribosome to be assembled.
3. Protein synthesis.
Explanation:
Hope it helps.
A pharmaceutical company is working on a drug to slow the spread of Ebola. Which of the following should be the company's focus?
a. Sanitizing the drinking water
b. Protecting the food supply
c. Person-to-person contact
d. Killing the insect vector
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.)
Which of the following is a human-related release of greenhouse gases?
O A. Wild animal respiration
OB. Volcanic eruptions
O C. Intensive agriculture
O D. Solar cycles
It’s A
Answer:
C
Explanation:
I'm pretty sure it's actually C and not A. It's asking for human-related release from greenhouse gases. Humans don't cause volcanic eruptions and aren't in control of wildlife's respirations. The solar cycles has to do with the magnetic flux that rises to the surface of the sun and lasts 11 years. Intensive agriculture increases pollution which harms the environment.
Larry recalls his first memory of riding a red tricycle at the age of 4. Larry’s memory is: True False
Answer:
True
Explanation:
False memory refers to remembering an event differently from the way it happened or remembering events that never happened at all.
Larry's memory is a true memory because it doesn't sound like something that could be made up. Also, most children ride tricycles around the age of 4 or even younger.
Hope that helps.
what kingdom does fish belongs to?
Answer:
animalia
Explanation:
Which of the following could be discovered by studying the gross anatomy of a cadaver?
The function of cells within the body
The types of cells within each organ
The function of the body's organs and systems
The structure of the body's organs and systems
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.
Which of the following techniques involves hybridizing a cDNA sample to a chip containing thousands of single-stranded DNA sequences, allowing one to study the expression of thousands of genes simultaneously?
A) PCR
B) Southern blot
C) FISH
D) Agarose gel electrophoresis
E) DNA microarray
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.
Essential amino acids are amino acids that must be obtained through the diet. Non‑essential amino acids can be made biosynthetically. Classify the amino acids into either essential or non‑essential amino acids.
Answer:
Explanation:
There are at present 20 major amino acids produced in the body. These amino acids are important biological components in the body. They are the building blocks of proteins. Also essential in the synthesis of nucleotides including the DNA and RNA. There are different ways of classified these amino acids:
Essential and non essential. The essential amino acids cannot be synthesized from scratch in the body but has to be obtained from our diet, while non essential is produced by the body
Acidic, basic, neutral, polar, non polar etc.
The essential amino acids are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
While the non essential amino acids are: alanine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.
why the swimmer push the water backward
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.
Saliva is released by __________ and it acts on _______.
Answer:
Salivary glands, food
Explanation:
Salivary glands release saliva, and it acts on the food and turns into a soft pulpy mass called bolus. Bolus is the simplier form of food which helps in digestion of complex food.
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Answer:
salivary glands, food
Explanation:
Saliva is released by salivary glands and it acts on food.
Salivary glands produce saliva. The saliva acts on food and creates a soft lump called bolus during the chewing process.
Which of these lymphoid organs destroys bacteria before it can breach the intestinal wall and generates "memory" lymphocytes for long-term memory?
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.
What type of molecule is represented by the model below? A molecule made up of four carbon rings with other atoms bonded to those rings. Fat Carbohydrate Steroid Protein Points earned on this question: 0
Answer:
Steroid
Explanation:
Steroids are molecules that usually have 17 carbon atoms distributed in four rings of carbon bonded together and linked to atoms of other elements, as shown in the aciam figure. Steroids are molecules soluble in fat and are produced synthetically for therapeutic and even aesthetic purposes, however their use must be monitored by a responsible professional.
Answer:
STEROID
Explanation:
Steroids are molecules that usually have 17 carbon atoms distributed in four rings of carbon bonded together and linked to atoms of other elements, as shown in the aciam figure. Steroids are molecules soluble in fat and are produced synthetically for therapeutic and even aesthetic purposes, however their use must be monitored by a responsible professional.
The uterine cycle describes the cyclic changes of thickening and degeneration that the endometrium goes through in a month. What is the order of events in one uterine cycle
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
g 1 molecule of glucose is catabolized to pyruvate and then acetyl-coA. All the acetyl-coA enters the citric acid cycle. How many molecules of NADH are produced from the citric acid cycle only (do not include NADH from glycolysis or the pyruvate dehydrogenase complex in your calculation.) You must answer as a number i.e if you think the answer is 12, you must enter 12, not twelve.
Answer:
6NADH
Explanation:
In the kreb's cycle NAD is reduced during the reduction of 6-carbon citrate to 5 carbon Alpha-Ketoglularate.
The second is produced during the conversion of 5carbon alpha ketoglutarate to succinate. Lastly in the conversion of fumirate to oxoloacetate;another NADH is formed.
However, since two pyruvate enters the Kreb's cycle therefore 6NADH(three NADH per cycle of Citric) are produced for each molecule of glucose that is broken down from glycolysis.
Remember,each glucose molecule goes through 2 cycles of Kreb.
Futhermore co-enzyme FADH2 are also produced,with 2 molecules per 1 glucose.
These Co-ezymes transfer hydrogen ions,into the matrix of the mitochondria,where is is splits to protons and electrons.
The electrons formed the ETC,which produce PMF for transporting protons into the intramembranes for electrochemical gradients needed to generate energy for ATP s synthesis,by ATP synthase.
.
You go to the circus and see the tiger show. When the trainer cracks his whip, the tiger jumps through the hoop. This is an example of
a. operant conditioning with a positive reenforcement
b. operant conditioning with negative reenforcement
c. operant conditioning with punishment
d. none of the above
Answer:
C
Explanation:
the trainer has already threatened and hit the tiger before.
thus, when he cracks the whip, the tiger is afraid and will "volunteeringly" jump through the hoop.
the defination of operant conditioning with punishment is any change in a human or animal's surroundings which, occurring after a given behavior or response, reduces the likelihood of that behavior occurring again in the future.
Knowing the epidemiology and causative agent of Legionaries disease what questions would you ask of the victims or of their surviving relatives?
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?
In 1998, paleoanthropologist Rick Potts published an article in The Yearbook of Physical Anthropology, a peer-reviewed journal. The article was titled “Environmental Hypotheses of Hominin Evolution.” In his paper, Potts claimed that great variations in environmental conditions over time were responsible for the adaptability of humans and the success of our species. Which would most likely be found in his paper? a review of modern human anatomical structure evidence of changing environmental conditions, with references the reasons competing hypotheses are wrong his opinion of what will happen to the survival of the human race
Answer:
Dr. Potts used environmental data to support environmental hypotheses capable of explaining human evolution
Explanation:
In this paper, the author stated that environmental factors have been fundamental for the emergence of adaptive traits during human evolution. In consequence, Dr. Potts explained how particular environmental factors and habitats might have shaped human evolution. For example, it has been hypothesized that dry savanna vegetation might have been a key environmental factor associated to the emergence of human traits including, among others, bipedality, making of tools from stones, the development of human brains, etc. In order to prove this hypothesis, the author recorded environmental data from different regions in Africa (Olorgesailie, Olduvai, Turkana, Zhoukoudian, etc), where it is believed that first hominids evolved about 6-8 million years ago.
ITS NOT B AND ITS NOT C
SOOO EITHER D OR A
Explanation
Select the correct answer.
Which statement best compares the role of meiosis in a unicellular and a multicellular organisms?
OA.
Meiosis is the mechanism used for producing somatic cells in unicellular as well as multicellular
OB.
Meiosis is the mechanism used for producing gametes in unicellular organisms and somatic cells
O c.
Meiosis is the mechanism used for producing gametes in multicellular organisms whereas it doe
unicellular organisms.
Reset
Next
Answer:
Meiosis is the mechanism used for producing gametes in multicellular organisms whereas it does
unicellular organisms.
Explanation:
Meiosis is a kind of cell division used mainly by sexually-reproducing organisms, whether unicellular or multicellular, to produce gametes i.e. meiosis only occurs during gamete formation.
In sexual reproduction, gametes must fuse in a process called fertilization. This gametes, however, must each possess half of the chromosome number of the individual organism. Meiosis is the process that ensures that the chromosome number of the gametes is reduced by half i.e. diploid (2n) to haploid (n).
Therefore, meiosis is the process of gamete formation in sexually-reproducing unicellular or multicellular organisms.
During which period did humans first appear on Earth? Quaternary Neogene Paleogene Cenozoic
Answer:
the answer is actually Quaternary, please double check your answer before giving them out to people
we dont want them to get a bad grade
Explanation:
i took the test
E2020
Is your prediction supported by the membrane potential chart?
Answer:
The membrane potential of a resting neuron is primarily determined by the movement of K+start text, K, end text, start superscript, plus, end superscript ions across the membrane. ... Zero voltage across the membrane, as measured by a voltmeter with one electrode inside and one electrode outside the cell.
Answer:
Yes, it is. The chart shows that the initial charge of the neuron is negative. When the neuron is stimulated, sodium ions enter the cell. So, the voltage inside the cell changes to positive. When potassium ions move outward, the voltage decreases until it reaches its previous state.
Explanation:
whats 20x20? thank you
Answer:
400 yayyyyyy
Explanation:
yvhjghkkkkhhh
Answer:400
Explanation:
20
x20
_____
00
+400
--------
400
) Recall what you know about crossing over, independent assortment, and random joining of sex cells during sexual reproduction.
Answer:
Crossing over is the process of interchange of genetic information among non-sister chromatids of homologous chromosome pairs during meiosis (specifically during synapsis in prophase I). During this process, the synaptonemal complex enables the interchange of chromosome fragments between non-sister chromatids through crossing over. Moreover, in sexual reproduction, the zygote diploid cell can be generated by the random joining of fully differentiated haploid gametic cells (male and female gametes). The combination of random joining with the phenomenon of crossing over is known to considerably increase the genetic variation of the resulting offspring. After zygote formation, the successive cycles of cell divisions during embryonic development will develop an organism that during its adult stage will reproduce via sexual reproduction.
The general function of an enzyme in the body is to ________. The general function of an enzyme in the body is to ________. eliminate waste products from the blood act as a reactant in carbohydrate storage catalyze chemical reactions maintain homeostasis maintain a neutral pH
Answer:
catalyze chemical reactions
Explanation:
An enzyme is a proteinous substance that acts as biological catalysts and increases the rate of biochemical reactions in the body. Enzymes are specific in nature which is as a result of the structure/shape of its building block (amino acid).
Enzymes speedens the rate of a chemical reaction in living systems, which would normally not occur or occur at a much slower rate, without the presence of an enzyme. Enzymes acts on the reactants called Substrates by binding to them to form products but they are not used up in the reaction. Hence, enzymes are not reactants.
How many more phases occur during meiosis than during mitosis?
none
two
four
six
Answer:
there are 4 more phases that occur during meiosis than mitosis
Answer:
The answer is.....
Explanation:
C. Four
In pea plants, purple flower color, C, is dominant to white flower color, c. The table shows the frequencies of the dominant and recessive alleles in three generations of peas in a garden. Allele Frequency for Flower Color in Peas Generation p q 1 0.60 0.40 2 0.64 0.36 3 0.75 0.25 4 0.80 0.20 Which generation showed the greatest frequency of having one of each allele? generation 1 generation 2 generation 3 generation 4
Answer:
generation 1
Explanation:
The allele frequency is a term that represents the frequency that an allele can appear in a given population. This term can help to develop conclusions about the genetic diversity that a region presents in relation to the individuals that compose it.
In relation to the question above, generation 1 had the highest frequency of having one of each allele. This is because this generation presents the maximum frequency of the dominant and recessive alleles in a coherent way, 0.60 and 0.40. However, the other generations showed a steady and progressive decrease in the recessive allele.
Answer:
Gen 1 or A
Explanation:
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Prokaryotes, like most living organisms, need movement to locate food and to survive.
Answer:
Explanation:
Prokaryotes, like most living organisms, need movement to locate food and to survive. If a prokaryote needed to move to a new food source, which structure would it use for locomotion?
Phytoplankton, shown on the left in the image below, are microscopic organisms that can be found in freshwater and salt water environments. They perform photosynthesis to get energy and act as an important food source for larger organisms, such as the whale that is shown on the right. Phytoplankton A large whale. Which characteristic describes the whale but not its food source, the phytoplankton? The whale is heterotrophic. The whale has cell walls. The whale is unicellular. The whale is a prokaryote.
Answer:
The whale is heterotrophic.
Explanation:
Energy is needed by organisms to perform their life functions. Organisms, in nature, feed on one another for energy source. Some organisms are, however, capable of synthesizing their own food or energy source via a process called photosynthesis. This is the case of the phytoplankton in the question. These organisms are, therefore, called AUTOTROPHIC ORGANISMS or PRODUCERS.
On the other hand, some organisms are incapable of this self-production of energy source. Hence, they rely on other organisms for it. These category of organisms are called HETEROTROPHIC organisms, which is the category the large whale fall into due to its dependence on phytoplankton for energy source.