Describe the structure of a phospholipid and a phospholipid bilayer. Indicate the polar and nonpolar parts of the structure for each.
Somatic cells in elephants have 56 chromosomes. How many chromosomes would be carried by the gametes produced by elephants
Answer:
As somatic cells are diploid (2n) 2n=56
gametes receive only haploid set so, n=28
The number of chromosomes carried by the gametes produced by elephants would be : 28
Given that The elephants posses 56 chromosomes in its somatic cells and somatic cells are known as diploid cells ( i.e. 2n ) while the gametes will only carry a haploid set of chromosome ( i.e. n ).
Determining the number of chromosomes contained in the gametes
since ; 2n ( chromosomes of a somatic cell ) = 56
∴ n ( chromosomes contained in a gamete ) = 56 / 2 = 28
Hence we can conclude that The number of chromosomes carried by the gametes produced by elephants would be : 28.
Learn more : https://brainly.com/question/11912112
All of the following would be visible on a karyotype except
aneuploidy.
polysomy.
trisomy.
homologous chromosomes.
Answer: I think aneuploidy id wait for someone else to confirm this
Explanation:
All of the following would be visible on a karyotype except is aneuploidy
How to identify karyotype?The normal karyotype of the species is described as 46, may XX or XY, in which the first number of chromosomes is followed by a comma indicating the chromosomes. Thus, 46, XX corresponds to the karyotype of a woman; and 46, XY represents a male karyotype.
Aneuploidy is the presence of an abnormal number of chromosomes in a cell so this is the exception.
See more about genes at brainly.com/question/8832859
1. Hypothesize in what type of environments it would be advantageous for a protist to be autotrophic, heterotrophic, or mixotrophic.
Answer:
See below
Explanation:
Protists fall into the category of eukaryotes. They are diverse in nature and typically are found to be single celled organisms containing very organized structures.They are classified based on what is their source of nutrition.
Autotrophic - capable of photosynthesis to produce their own food, so an environment where sunlight, CO2 and water is available.
Heterotrophic - feed on other organisms , an environment where prey is plenty and very limited or no access to sunlight.
Mixotrophic - a combination of the above two, an environment with all of the aforementioned factors present.
You have a nutrient broth, an agar slant, and an agar plate with bacterial growth in or on each. If you wanted to evaluate the macroscopic appearance of the bacteria growing in or on the medium, which of the cultures would be the best choice?
A. Agar slant
B. Broth
C. Agar plate
Answer:
The best option would be breeding ground.
Explanation:
The broths of culture show us better the macroscopy of the colonies of the bacteria, that is to say the forms of the bacterial groups, some bacteria are usually circular, others lunar, etc.
On the other hand, the environment in which you want to develop a bacterium depends fundamentally on its metabolism, since some should be analyzed on blood agar, or other means, which is why this response is considered very subjective.
One of the procedures for cloning foreign DNA segments takes advantage of restriction endonucleases such as HindIII that produce complementary single strand ends (sticky ends). These enzymes produce identical sticky ends on cleaved foreign DNA and on the vector DNA into which you insert your DNA. Assume you have inserted your favorite gene into the HindIII site of the Bluescript cloning vector with ligase, you amplified it in E.coli, and isolated a large quantity of the plasmid with the insert. How do you excise your favorite gene from the plasmid?
Answer:
Restriction endonucleases are utilized to cut the deoxyribonucleic acid at a specific Restriction site. HindIII is an example of Restriction endonuclease. The Restriction site of HindIII is as per the following:
5'A*AGCTT3'
3'TTCGA*A5' (* represents restriction site)
The Restriction endonuclease cuts the particular gene from the foreign DNA and produces numerous fragments with the sticky ends. The part of the outside DNA which contains the gene of intrigue or a particular gene is ligated with the plasmid.
On the off chance that foreign DNA and plasmid DNA are separated by the same Restriction endonuclease, they will create sticky ends integral to one another. In this way, the segment of foreign DNA can be ligated to the plasmid DNA by the assistance of DNA ligase at the integral sticky end to shape a recombinant DNA.
Additionally, by the assistance of the same Restriction endonuclease for example HindIII for this situation, the recombinant plasmid can be treated with a similar Restriction endonuclease to extract the ideal gene or gene of intrigue.
What type of feedback loop is breathing?
One characteristic of fungi is that they have a cell wall made of chitin. What are two other characteristics of fungi? Produce spores and heterotrophic Contain membrane-bound nucleus and photosynthetic Heterotrophic and produce seeds Absorb food and photosynthetic
Answer:
Produce spores and are heterotrophic
Explanation:
All animals and fungi are heterotrophic and fungi produce spores which is how they reproduce.
Answer:
Produce spores and heterotrophic
describe the process involved when the human eye views an object
Answer:
How the eye view an object.
As the object appear before the eye,
Light enter the cornea, the domeshape that cover the front eye.
The light then enter the pupil through the cornea.
The light then hit the eye lens, a transparent structure that focuses the light through the virteous humour, a gel like substance that surrond the retina.
The retina then receive the light that was focused by the eyes lens and transform it to electrical impulses.
The electrical impulses is then transmitted to the person through the optic nerve,
The optic nerve then interpret it as the object view.
Explanation.
Eyes are organs of the visual system. They provide both humans and animals with the ability to receive and process visual information, thereby enabling different photo response functions that are independent of vision. Eyes detect light and convert it to electrical impulses in neurons. The optic nerve then send it to the brain which is then is interpreted as what is seen.
How the eye view an object.
As the object appear before the eye,
Light enter the cornea, the domeshape that cover the front eye.
The light then enter the pupil through the cornea.
The light then hit the eye lens, a transparent structure that focuses the light through the virteous humour, a gel like substance that surrond the retina.
The retina then receive the light that was focused by the eyes lens and transform it to electrical impulses.
The electrical impulses is then transmitted to the person through the optic nerve,
The optic nerve then interpret it as the object view.
In the cytoskeleton these are the thickest of the three components, typically in cell maintenance of cell shape, chromosome movement and organelle movements.
Answer:
The correct answer is - Microtubules
Explanation:
The cytoskeleton is a complex web of fibers present and find throughout the cytoplasm
It helps in organizing the shape size, structures and activities of the cell, anchoring many organelles . It is made up of of 3 types of molecular components: Microtubules , Microfilaments , and Intermediate filaments.
Microtubules : it is the thickest of of all the 3 components of the cytoskeleton as it is made up of tubulin. Maintenance of cell shape, organelle movements, chromosome movements in cell division, cell motility are major role of microtubules.
Thus, the correct answer is - Microtubules
The ____ is a small thin-walled tube that leads from the floor of the urinary bladder to the outside of the body. Group of answer choices
Answer:
Urethra
Explanation:
I'm pretty sure it would be the urethra but if it's not let me know.
The urethra is a small thin-walled tube which leads from the floor of the urinary bladder to the outside of the body.
What is the excretory system?Human excretory system includes organs that facilitate the removal of nitrogenous wastes out from the body. The main excretory organs in the human body include kidney, ureter, urinary bladder and urethra. Kidneys are the organs which filter blood and urine is the filtrate obtained that is excreted out of the body.
The urethra is the small thin-walled tube that lets urine leave from bladder and the body. In the males, urethra passes through the prostate gland. In the females, the urethra is much shorter. It runs from the bladder to open in front of the vagina.
Learn more about Urethra here:
https://brainly.com/question/9403169
#SPJ2
What Are Blood vessels
Answer:
[tex]\boxed{\mathrm{see \: below}}[/tex]
Explanation:
Blood vessels are vessels that carry blood through organs and tissues. The five types of blood vessels are: arteries, veins, arterioles, capillaries, and venules. The main function of blood vessels is to carry blood throughout the body.
Answer:The blood vessels are the components of the circulatory system that transport blood throughout the human body.[1] These vessels transport blood cells, nutrients, and oxygen to the tissues of the body. They also take waste and carbon dioxide away from the tissues. Blood vessels are needed to sustain life, because all of the body's tissues rely on their functionality.[2]
There are five types of blood vessels: the arteries, which carry the blood away from the heart; the arterioles; the capillaries, where the exchange of water and chemicals between the blood and the tissues occurs; the venules; and the veins, which carry blood from the capillaries back towards the heart.
The word vascular, meaning relating to the blood vessels, is derived from the Latin vas, meaning vessel. Some structures – such as cartilage, the epithelium, and the lens and cornea of the eye – do not contain blood vessels and are labeled avascular.
Michael, a new lab analyst, receives an email notifying him that his expected samples from a recent outbreak should be arriving soon. To prepare for his analysis, he decides to look into what type of diseases could be spread between animals and humans, as this is a new field for him. Michael has received limited information about the details of the outbreak from the epidemiologists that traveled to the site, but he does know that both animals and humans were infected by some type of virus. Michael looks through some of the lab manuals on how the samples will be handled once in the lab. While reading through these guidelines, he realizes that there are some terms he is not quite sure of.
Below are sentences that reflect the terms that Michael had to acquaint himself with while reading through the published guidelines from his laboratory. Please review the sentences below and fill in the blanks with the correct word(s).
a. arthropods
b. togaviruses
c. encephalitis
d. arbovirus
e. flaviviruses
f. zoonosis
A virus that is able to be transmitted via _________like ticks, flies, and mosquitoes is considered __________.
2. Some arboviruses are able to move through the bloodstream and infect the brains of humans and arbovirus animals. This disease manifestation is called __________.
3. A_______ is a disease that can be transmitted from animals to humans.
4 Several encephalopathies, such as Eastern equine encephalitis and West Nile virus encephalitis, are caused by the____________ These viruses can infect humans and and animals such as horses and birds.
Answer:
the correct option is:
A virus that can be transmitted through arthropods such as ticks, flies, and mosquitoes is considered an arbovirus.
2. Some arboviruses can move through the bloodstream and infect the brains of human and animal arboviruses. This manifestation of the disease is called encephalitis.
Explanation:
Arboviruses are very dangerous for humans, some do not generate painful bites, others are hematofogous (they feed on human blood) and others are nocturnal, which bite humans at night without their perceiving it.
Diseases of these viruses that are transmitted by vectors such as arthropods cause encephalitis, cardiac, pulmonary disorders, etc.
An example of this is the Chagas disease that is generated by the transmission of the Vinchuca arthropod.
Which of the following is not a benefit of Genetic Engineering? A. Enhancing the desirable traits of organisms B. Helping to reduce world hunger C. Enhancing the effectiveness of the new DNA by spreading it to other plants D. Helping to treat disease
Answer:
b
Explanation:
because all the rest are about genetics
The one that is not a benefit of genetic engineering is helping to reduce world hunger. The correct option is B.
What is genetic engineering?Genetic engineering is the method of modifying an individual's DNA through the use of research lab innovations.
This could be as simple as changing a single base pair, erasing a region of DNA, or inserting a new DNA segment.
Scientists can use genetic modification to transfer preferred genes from one plant or animal to another.
Genes may also be transferred from one animal to another. GMOs are another term for genetically engineered organisms.
Techniques for genetic engineering have produced the creation of medically valuable things such as human insulin, human growth hormone, and hepatitis B vaccine.
It is also involved in the development of genetically modified organisms such as disease-resistant plants.
Thus, the correct option is B.
For more details regarding genetic engineering, visit:
https://brainly.com/question/13491558
#SPJ5
If there was complete (100%) selection against an uncommon deleterious recessive genotype (aa) in the human population, would you expect to observe much of an effect on the frequency of the a allele in your lifetime? Why or why not?
Answer:
Explanation:
Selection is used in identifying some important traits for improving on or elimination.
Selection against is when a selection does not favour a particular allele. If recessive allele is selected against there will be a reduction in the frequency of the allele.
Since it was complete selection against the frequency of the allele will move from its level of fitness to zero and the allele of the gene will be lost completely in the genome of the organism.
natural selection i.e selection done by nature is not enough to get 100% selection against because of the allele reoccuring in heterozygous form but with artificial selection by man it is achievable.
Glycogen Synthase Kinase:_______.
A. Will only phosphorylate glycogen synthase (GS) after GS has been phosphorylated by casein kinase.
B. Phosphorylates glycogen phosphorylase
C. Phosphorlyates Casein Kinase.
D. Is activated by the insulin signaling pathway.
Answer:
A. Will only phosphorylate glycogen synthase (GS) after GS has been phosphorylated by casein kinase.
Explanation:
Glycogen synthase kinase (GSK) is a type of enzyme capable of phosphorylating serine and threonine residues on the glycogen synthase (GS). The insulin hormone activates the synthesis of glycogen by dephosphorylating GS, but it is a mechanism that depends on the previous phosphorylation of GS by Casein Kinase (CK). GSK is also known to phosphorylate the insulin receptor (IRS), and thus controlling glucose metabolism.
The karyotype reveals that the aliens have a total of 200 chromosomes in each somatic cell. Assuming this alien reproduces sexually, how many chromosomes would its gametes have?
Answer:
100
Explanation:
in sexually reproduction gametes are formed by meiosis where number of chromosome is reduced by half(haploid gametes)
When observing muscle tissue under the microscope, what distinguishing feature can be found in cardiac muscle, but NOT skeletal muscle?
Answer:
Cardiac muscle is only found in heart and skeletal muscle is found attached to bones.
When observing muscle tissue under microscope, different features found in cardiac muscle, but not in skeletal muscle are as follows:
Skeletal muscles has long multinucleate fibers while cardiac muscles are mononucleate, with only one nucleus per fiber.The ends of cardiac muscle fibers have intercalated discs that are darker regions and they are absent in skeletal muscles.which term describes a female arctic fox
Answer:
organism
Explanation:
Answer:
organism
Explanation:
fkljfakl;sdjflkncmie;alkd
Describe the sizes of the sun, moon and Earth models given to the participants. Before embarking on the actual activity, what did the participants learn as a result of the size of the models?
Answer:
(A). (1).SUN AND EARTH= the distance between the sun and the earth is about 0.5 miles.
(2). MOON AND SUN: the distance between the moon and the sun is about 400m.
(B). Kindly check Explanation.
Explanation:
PART A:
(GIVEN TO THE PARTICIPANTS) DESCRIPTION OF THE DISTANCES SIZES OF;
(1).SUN AND EARTH= the distance between the sun and the earth is about 0.5 miles.
(2). MOON AND SUN: the distance between the moon and the sun is about 400m.
PART B = what did the participants learn as a result of the size of the models?
The participants learnt if they so wish to make the size of the moon to be equal to that of the sun, the people or the participants have to move or go back because initially to them(participants) they thought that if are able to move the moon to the sun, it will be equal.
Observations of organisms include descriptions of why the organism has certain traits. descriptions of the number, size, and arrangement of parts of the organism. conclusions made about the characteristics of an organism. conclusions made based on an organism’s DNA.
Answer:
The correct statement is descriptions of the size, number and arrangement of parts of the organism.
Explanation:
The act of obtaining information from a suitable primary source is termed as an observation. It is the very initial step in the array of steps that comprises a scientific method and it incorporates the recording of data regarding an observed natural process.
Observation permits the researchers to inquire regarding the apposite scientific questions, to produce an applicable hypothesis, and to set up significant experiments, which will provide suitable answers to the queries asked earlier.
Answer:
B. descriptions of the number, size, and arrangement of parts of the organism.
Explanation:
took the test, hope this helps.
HELP ASAP DUE NOW PLSSS HELP 10 points and brainlist Which arrows show matter moving from a producer to an omnivore? Select all that apply.
Answer:
my best guess is number answer 2 and answer 4
because crows love to eat desert woodrats and for the last one i watched it in national geo, its like a cycle grass hopper died by a mouse dies by a rattle snake.
How can protists exhibit both animal-like and plant-like characteristics?
A heterotrophic and chlorophyll protist
Food is ingested by protists in three forms. We produce, eat and digest their own organic molecules. Meat ingestion or english bacteria ingests protists. The cell wall and cell membrane are stretched to create an alimentary vacuolum around the foodstuff. Enzymes extract the food inside the food vacuole. At the other side, absorbent protists consume food molecules through their cell membrane by diffusion. In decomposition, absorbent protists play a crucial role. They are assumed to be essential decomponents. Light energy is used to make your own food by big farmers including photosynthetic protists.
----------------------
Hope this helps!
Brainliest would be great!
----------------------
With all care,
07x12!
How long does it take you on average to take a dump?
Answer:
15 min
Explanation:
Answer:
5-20 minutes
Explanation:
On a good day with not much poop and it's easy to come out it will take around 5 minutes. On a bad day though with lots of poop and where it's very hard to come out to the point where you have to constipate yourself, it will take around 20 minutes.
Classify the following organisms into their respective kingdoms (i) Yeast (ii) Penicillium (iii) Rhizobium (iv) Mushroom (v) Amoeba (vi) fish
Answer:
(i) Yeast- Kingdom Fungi
(ii) Penicillium- Kingdom Fungi
(iii) Rhizobium- Kingdom Eubacteria
(iv) Mushroom- Kingdom Fungi
(v) Amoeba- Kingdom Protista
(vi) fish- Kingdom Animalia
Explanation:
Living organisms were classified into a large group called KINGDOM, which represent the largest and most generic grouping consisting of organisms that share a few similarities. The kingdoms that living organisms were classified into are as follows: Plantae, Animalia, Fungi, Protista, Eubacteria, Archaebacteria, etc.
Based on the question, the mentioned organisms are classified into the following kingdoms:
(I) Yeast: Yeast is a unicellular microbe classified under the Kingdom Fungi due to possession of chitin in its cell wall and other similar features with members of kingdom Fungi.
ii) Penicillium- Penicillium is a genus classified under the Kingdom Fungi.
(iii) Rhizobium- Rhizobium is a genus of prokaryotic organism (lack membrane-bound nucleus and organnelles) classified under the Kingdom Eubacteria.
(iv) Mushroom- Mushrooms are saprophytic (heterotrophic) species of organisms classified under the Kingdom Fungi.
(v) Amoeba- Amoeba is a genus of unicellular eukaryotes classified under the Kingdom Protista.
(vi) fish- Fishes are organisms classified under the Kingdom Animalia
narrowing of the coronary arteries due to buildup of debris along the artery
Answer:
The correct answer is coronary artery disease.
Explanation:
The narrowing of blockage of the coronary arteries, generally resulting due to atherosclerosis is known as coronary artery disease. Atherosclerosis also is known as the clogging or hardening of the arteries and is the accumulation of fatty deposits and cholesterol on the artery's inner walls.
These fatty deposits of plaques can prevent the flow of the blood to the muscles of the heart by physically choking the artery or by resulting in unusual artery function and tone. In the absence of a sufficient supply of blood, the heart becomes deficient of the essential nutrients and oxygen it requires to function appropriately. This can further result in angina or chest pain.
Which best explains the evolution of gymnosperm plants? They evolved at the same time as monocots and dicots. They evolved after the seeded flowering plants. They evolved after the seedless vascular plants. They evolved before the seedless nonvascular plants.
Answer:
They evolved after the seedless vascular plants.
Explanation:
The gymnosperms were the first seed plants to have evolved some about 382.7 million to 358.9 million years ago in the Devonian period. They were the ancestor of the seed plants like the heterosporous, earlier gymnosperms were pteridosperms or seed ferns. The vascular plant's particular ferns consist of tissues that don't make flowers or seeds but have unicellular pores.Answer:
the answer is C- They evolved after the seedless vascular plants.
Explanation:
The genomic DNA of an organism has a base composition of 40% C-G base pairs and 60% A-T base pairs. Assuming a random sequence of bases, what is the expected frequency of the Tsp E1 restriction sites 5'-CCGG-3'?
Answer:
The correct answer is (0.2)^4.
Explanation:
Based on the given information, the given genomic DNA is A-T rich, and the base pair composition is C-G = 40 % and A-T = 60%. Therefore, as per Chargaff's rule, Each C and G will possess 20%, and each A and T will possess 30%.
Therefore, the probability of each base will be,
C = 20/100 = 0.2
G = 20/100 = 0.2
A = 30/100 = 0.3
T = 30/100 = 0.3
Now the expected frequency of the Tsp E1 restriction sites 5'-CCGG-3' will be 0.2 * 0.2 * 0.2 * 0.2 = (0.2)^4.
What must occur for protein translation to begin? A water molecule must be added to the protein chain. A peptide bond must form between subunits of mRNA. The amino acid Cys must be picked up by tRNA. The codon AUG must be identified.
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.
Learn more: https://brainly.com/question/24255158?referrer=searchResults
Answer: The correct answer is The codon AUG must be identified.
Explanation: Confirmed correct. :)
Which of the following is the largest known gravitationally bound structure in the universe?
Which of the following is the largest known gravitationally bound structure in the universe?
Galaxy
Cluster
Solar system
Local Group
Answer:
Cluster
Explanation:
A cluster is the largest gravitationally bound object in the universe.
Answer:
Cluster
Explanation:
A cluster is the largest gravitationally bound object in the universe.