Answer:
A
Explanation:
Butter, as good as it is, is not exactly good for us. Butter is an animal fat, or a saturated fat. This means that at room temperature these fats will remain solid. There is some science behind it and ill say this quickly, it has to do with the carbon atoms being packed with hydrogen atoms. This allows them to intertwine and be solid. The Vegetable Oil being unsaturated, a plant fat, is good for us! These are missing some of the atoms needed to make them stand up straight and be solid. So these are always liquid at room temperature! :)
We have that for the Question "Both vegetable oil and butter are made up of fats. Why is butter a solid at room temperature, while vegetable oil is a liquid?"
Answer:
Option A is the correct answer(Butter is a saturated fat and vegetable oil is an unsaturated fat)
Explanation:
Butter contains more saturated fat., vegetable oil contains more unsaturated fat.
Melting point of Saturated fat less than melting point of Unsaturated fat
Intermolecular interactions in saturated fats greater than Intermolecular interactions in Unsaturated fats
Saturated molecules are so close and forms a solid. UnSaturated molecules are not so close and forms a liquid at room temperature
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What cell type are involved in the secretion thyroglobulin ?
By thyroid epithelial cells and secreted into the lumen of the follicle - colloid is essentially a pool of thyroglobulin.
What is Thyroglobulin?The amount of thyroglobulin in a sample of your blood is measured by a thyroglobulin test. Your thyroid produces a protein called thyroglobulin. A little gland in your neck with a butterfly form is your thyroid.
It produces hormones that regulate a variety of bodily functions, such as your heart rate and how quickly you burn off calories from food.
One kind of test for tumor markers is the thyroglobulin test. In reaction to cancer in your body, cancer cells and/or normal cells produce molecules known as tumor markers. Small levels of thyroglobulin are typically released into your bloodstream by your thyroid.
Therefore, By thyroid epithelial cells and secreted into the lumen of the follicle - colloid is essentially a pool of thyroglobulin.
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A reseacher was studying mutations in bacteria.he found that certain bacteria had changes in their dna that allowed them to be resistant to antibotics.this research is an example of. The mutation will lead to
Answer: 1.B). Evolution genetics.
2.C). Less Bacteria becoming resistant to the specific Antibiotics .
Explanation:
Evolution genetics is field of science, which includes study of genetic variations that lead to evolutionary changes in organisms. As some bacteria had changed their DNA that led to development of antibiotic resistance in them.
Due to antibiotic resistance, certain bacteria, in which changes in DNA take place, become resistant against some type of antibiotics and those antibiotics are no longer effective to prevent or kill them
Thus, the correct options to be filled in the blanks are option (B) and option (C).
The inheritance of the petite phenotype in Saccharomyces cerevisiae is complicated by an interaction of mitochondrial and nuclear genes. Which of the following is a false statement about petites in S. cerevisiae?
A) Segregational petites are characterized by mutations in the nuclear genome.
B) Suppressive petites are characterized by mitochondria lacking most of its DNA.
C) Neutral petites, when crossed to wild type, yield wild-type mitochondrial function.
D) The three categories of petites are segregational, neutral, and suppressive.
E) Both nuclear and cytoplasmic (mitochondrial) genes contribute to the petite phenotype in some cases.
Answer:
Option B
Explanation:
The three categories of petites are segregational, neutral, and suppressive and both nuclear and cytoplasmic (mitochondrial) genes contribute to the petite phenotype in some cases. Suppressive petites are characterized by perfoming crosses between petite and wild-type and discovering that all offspring are petite, this exhibit a "dominant" behavior which suppresses wild-type mitochondrial function and not a lack of mitochondrial function.
Female honey bees are diploid and male honey bees are haploid. The haploid males produce sperm and can successfully mate with diploid females. Fertilized eggs develop into females and unfertilized eggs develop into males. How does the process of sperm production in male honey bees differ from sperm production in other animals?
a. Male honey bees use meiosis I only, whereas other animals use both phases of meiosis.
b. Male honey bees use meiosis, whereas other animals use mitosis.
c. Male honey bees use mitosis, whereas other animals use meiosis.
d. Male honey bees can use mitosis or meiosis, whereas other animals can only use meiosis.
Answer:
The correct answer is option C.
Explanation:
In most of the male animals the production of sperms takes place through the process of meiosis. Meiosis occurs only in 2n or diploid cells. Thus the most of the animals produce sperm due to their diploid nature.
In male bees the sperm production is different than other animals as it is haploid cell and haploid cells produce sperms through mitosis. In haploid cells mitosis helps in produce more sperms.
Thus, the correct answer is option C.
Select the choices that best complete the following sentence: An inherited feature of an organism is a ______ whereas a variant of that feature is called a ______.
A.
homozygote; heterozygote
B.
chromosome; factor
C.
hybrid; gamete
D.
character; trait
E.
allele; gene
Answer:
A
Explanation:
Homozygous means that both copies of a gene or locus match while heterozygous means that the copies do not match. Two dominant alleles (AA) or two recessive alleles (aa) are homozygous. One dominant allele and one recessive allele (Aa) is heterozygous.
what is evaporation
Answer:
Evaporation is the process of turning liquid to vapor form.
Should certain vaccines be required?
Explain your answer to the question above.
Answer:
Yes
Explanation:
Vaccines, are dangerous but also very helpful. Most vaccines we have now help prevent the original disease they are designed with. Such as Polio.
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73 The messenger RNA sequence that codes for the amino acid chain
TYR-ARG-GLY-VAL-ALA-LEU is
(1) UAU-CGA-GUU-UUU-UUA-CUC
O (2) UAU-CGA-GGA-GUU-GCG-CUC
O (3) CUC-GCG-GUU-GGA-CGA-UAU
O (4) CUC-UUA-UUU-GUU-CGA-UAU
Answer:
(2) UAU-CGA-GGA-GUU-GCG-CUC
Explanation:
The mRNA is produced by the process of transcription which transcribes the DNA to mRNA which can be recognised and read by the ribosomes.
The ribosomal subunits get attached to the mRNA which scans or read the mRNA in the form of codons or triplets of nucleotides. These codons code for particular amino acid and about 64 codons code for 21 amino acids.
In the given question, the sequence of the amino acids in the peptide has been provided based on which the sequence of codons can be easily decoded.
For the provided peptide, the sequence of amino acid will be Option-2 which is UAU-CGA-GGA-GUU-GCG-CUC as this sequence of codons has the codons arranged according to the sequence of the amino acid.
Thus, Option-2 is the correct answer.
UAU-CGA-GGA-GUU-GCG-CUC is the sequence code that encodes the mRNA TYR-ARG-GLY-VAL-ALA-LEU
A codon table is usually employed in translating the genetic code into amino acid sequencesmRNA plays a major role in protein synthesis which originate from the joining together of individual amino acids in the ribosomes.
These amino acids are encoded by three letters that form a codon. There are 64 different codons in the genetic code encoding for the entire 20 amino acids.
The amino acid chain is thus decoded as:
TYR - UAUARG - CGAGLY - GGAVAL - GUUALA - GCGLEU - CUCTo learn more about the genetic code see the link: https://brainly.com/question/21272924?referrer=searchResults
Plato: Select the correct answer. Which strategy would help veterinarians avoid burnout? A. continuing education B. increasing involvement at the workplace C. meditation D. neglecting work duties
Answer:
i believe your answer is a
Explanation:
In rabbits, brown coat (B) is dominant to white coat (b). A rabbit breeder wants to know the genotype of his best looking male brown rabbit using a test cross. He has brown females and white females available to conduct his breeding experiments.
Required:
a. What should be the coat color of the female he must use in this test cross?
b. If the test cross produces seven (7) brown rabbits and one (1) white rabbit, what is the genotype of the brown male rabbit?
Answer:
a. white
b. Bb
Explanation:
A test cross usually involve crossing an individual whose zygosity is unknown with a homozygous recessive version of individual of the same species.
Brown coat (B) is dominant over white coat (b). Hence, there is no way to physically distinguish between a BB rabbit and a Bb rabbit because both of them will be brown. A bb rabbit however will be white in appearance.
A test cross would therefore involve crossing the brown male rabbit with bb (white) rabbit.
Assuming that the genotype of the brown rabbit is BB, all the progeny will be brown as shown by the cross below.
BB x bb
Bb Bb Bb Bb
In order word, assuming the genotype is Bb, some of the offspring will appear brown while some will appear white.
Bb x bb
Bb Bb bb bb
Hence, the only way the test cross would produce white offspring is if the genotype of the brown rabbit is heterozygous, Bb.
A channel protein specific for calcium ions was found to have a pore lined with six glutamate residues that participate in coordinating the calcium ion. What would happen to the selectivity of the pore if the Glu residues were mutated to Asp residues
Answer:
If the mutation takes place, then the shorter side chains of asp compare to Glu will affect the permeability of the transport protein to calcium ions. Specifically, the mutation will increase the sizes of the pore,which in turn decreases the selectivity for calcium ion. Hence this affect excitability of the cell.
Explanation:
Colonial protists have been hypothesized to be the precursors to multicellular organisms. This hypothesis suggests that the individual unicellular members of the colony, which are initially identical, can begin to take on different functions. Then. the colony can begin to evolve into a multicellular organism. True or False
Answer:
True.
Explanation:
Protists are group of eukaryotes that are unicellular or microscopic and some times multicellular. They can live in colonies and live individually.
Some protist live in large groups called colony.
Colonial protists form larger groups of multicellular organisms. The individuals work together as large groups and perform functions to benefit each other.
most of the colonial protist are filter feeders that feed on suspended particles. Colonies enhance feeding efficiency. In choanoflagellates, coloniest has led to the evolution of metazoans
All animals need food to survive. Which of these is a use for food? A. growth B. motion C. body repair D. all of these
Answer:
D
Explanation:
The food that animals need to survive is constructed into energy that is used for
growth
ex. humans getting taller
motion
ex. energy to run
body repair
ex. repairing ripped tissues
What tipe of cactus is this?
Answer:
Hey!
I think it is the San Pedro Cactus!
Explanation:
i have one at home just like that!
HOPE THIS HELPS!!
Answer:
san pedro
Explanation:
In perspective, with Earth being 4,500,000,000 years old and humans being around 1,400,000 years; how long out of a 24 day time period have we as humans been here.
Answer:
Day time period have we as humans been here: 26 seconds
Explanation:
4,500,000,000 years = 1 day
1,400,000 years = X
X = 0.0003111
1 day = 86,400 seconds
0.0003111 = X
X = 26 seconds
In term of the Earth in 24-hour clock, Homo sapiens appeared on our planet only in the last 26 seconds, it means that in geologic time, humans have existed for only a brief time period and thereby it is a relatively new species.
Relaxation of the diaphragm muscle plays a major role in expanding the lungs.
True
False
Answer:
False
Explanation:
You relax the diaphragm muscle by exhaling. When the diaphragm muscle is relaxed, the lungs contract. When the diaphragm muscle expands, the lungs also expand. Therefore, relaxation of the diaphragm muscle does NOT play a major role in expanding the lungs.
After examining this ecosystem,
identify and list 10 things the features you
think create this ecosystem.
Answer:
Various biotic & abiotic elements create ecosystem.
Explanation:
Ecosystem is a geographic system where plants, animals, other organisms, weather & other climatic factors create an ambience of prevailing life.
Ecosystem has following components :
Biotic Components : Living organisms & creatures, biodiversity Abiotic Components : Non Living organisms like Water, Air, Land etchow are messages carried throughout the human body from the brain to the nervous system
Which characteristic proves Lactobacillus acidophilus is from the specific kingdom Eubacteria?
Answer: It has peptidoglycan
Explanation:
The kingdom Eubacteria is the domain of prokaryotic bacteria. These are unicellular and prokaryotic organisms. Their cell membrane is made up of lipids. The cell wall is made up of peptiodoglycan which gives rigidity to the cell wall. It gives the structural strength to the bacterial cell wall, gives the strength to the bacteria, and it will counteract the osmotic pressure develop in the cytoplasm.
Lactobacillus acidophilus possess the peptidoglycan in the cell wall this establishes its relationship with kingdom Eubacteria.
What would happen if a membrane protein were unable to bind with signaling molecule
Which of the following is a type of action, assistance, or information that a genetic counselor can provide? Check all that apply.
Calculate the risk of a child inheriting a genetic disorder.
Look for patterns of inheritance in a client’s family history.
Prescribe a medication to help with a client’s anxiety.
Explain causes and inheritance patterns of a genetic disorder.
Recommend the best of several long-term options for a client.
Explain what genetic tests are available and what information they would provide.
Interview a client to obtain details of the family’s medical and genetic history.
Order a test to be done without the client’s approval if it would provide useful information.
Answer: Calculate the risk of a child inheriting a genetic disorder.
Look for patterns of inheritance in a client’s family history.
Explain causes and inheritance patterns of a genetic disorder.
Recommend the best of several long-term options for a client.
Explain what genetic tests are available and what information they would provide.
Interview a client to obtain details of the family’s medical and genetic history.
Explanation:
The genetic counseling will involve the following steps:
1. The counselors check the family medical history and medical records of parents to estimate the chances of inheritance of genetic disorder or disease in a developing fetus.
2. The counselors order genetic testing.
3. The counselors evaluate the results of the tests.
4. They counsel parents based on the results and recommend them the long term options to prevent the effect of disease.
Answer:
1 2 4 6 7
Explanation:
Through logic and the prosess of elimenation I found the answers.
what is the function of the pancreas
Explanation:
the function of the pancreas that it secretes enzymes that work in tandem with bile from the liver and gallbladder to help breakdown substances for proper digestion and absorption.
Answer:
Releases insulin.
Explanation:
what is the answer of this question?
Answer:
(A) temporary allergy to milk products has developed
Which treatment is best for a person with persistent diarrhea
Answer:
do drink plenty of fluid
do drink a tea with chamomile and caffeine or aclcohol
Explanation:
this is the thing
Choose the true statement. Receptor tyrosine kinases undergo autophosphorylation. G proteins phosphorylate receptor tyrosine kinases. Receptor tyrosine kinases include seven transmembrane segments. Active receptor tyrosine kinases are monomeric proteins.
Answer:
Receptor tyrosine kinases undergo autophosphorylation.
Explanation:
The receptor tyrosine kinases (RTKs) are proteins that undergo dimerization and autophosphorylation after binding with their corresponding ligands, thereby triggering downstream molecular signaling cascades. The RTKs bind with high specificity to ligands including growth factors, hormones and cytokines. In human cells, there are 58 types of RTKs proteins that function to regulate developmental pathways, and their dysfunctions have been associated with cancer progression.
A young man who works on a ranch and lives in the log bunkhouse experiences sudden fever with muscle aches. A few days later he begins to cough and have difficulty breathing, and goes to an urgent care clinic. His blood pressure is low. A blood sample reveals a low platelet count. A Gram stain of a sputum sample shows only a few small bacteria present. Which of the following is the most likely infecting agent?
A) Bacillus anthracis
B) Hantavirus
C) Histoplasma capsulatum
D) influenza
E) Mycoplasma pneumonia
Answer:
The correct answer is: B) Hantavirus.
Explanation:
Hantavirus is an infectious disease caused by a family of viruses that exist in rodents such as rats. These viruses can either cause Hantavirus Pulmonary Syndrome (HPS), especially in the Americas; or Hemorrhagic Fever with Renal Syndrome (HFRS), which is most common in Europe and Asia.
The young man described has symptoms that match the common symptoms of Hantavirus Pulmonary Syndrome, such as fever and muscle aches (known as the 'early symptoms'), as also coughing and having difficulty breathing (known as the 'late symptoms'). Some of these symptoms can easily be confused with Influenza, but the shortness of breath and the fact that the patient has a history of working and living in a rural environment suggest Hantavirus.
HPS also produces a low platelet count and high white cell count.
Infection by Bacillus anthracis is uncommon, plus the lack of symptoms that match the disease (such as a sore throat) and the existence of muscle aches in the patient (which does not match Anthrax) can help discard this option.
Histoplasma capsulatum is a fungus that can cause lung infection when its spores are inhaled. Its symptoms are similar to HPS but with the addition of red bumps in the legs and joint pain, not muscle aches.
Mycoplasma pneumonia is a bacteria that produces pneumonia. Most of its symptoms match the patient except for the lack of a sore throat.
Which of the following does not use the sun's energy in any way?
A. Wind
B. Geothermal
C. Biomass
D. Coal
Why is axon covered in insulated sheath?
Answer: Myelin Sheath. The Myelin Sheath of a neuron consists of fat-containing cells that insulate the axon from electrical activity. This insulation acts to increase the rate of transmission of signals. A gap exists between each myelin sheath cell along the axon.
Explanation:. Myelin can greatly increase the speed of electrical impulses in neurons because it insulates the axon and assembles voltage-gated sodium channel clusters at discrete nodes along its length. Myelin damage causes several neurological diseases, such as multiple sclerosis.
Answer:
Myelin Sheath. The Myelin Sheath of a neuron consists of fat-containing cells that insulate the axon from electrical activity. This insulation acts to increase the rate of transmission of signals. A gap exists between each myelin sheath cell along the axon.
HOPE IT HELPS : D
Explanation:
Which species is likely to exhibit random dispersion?
A.
rushes that grow on the edges of bodies of water
B.
orchid plants that grow on the branches of a particular tree species
C.
squirrels that actively defend their territory against other squirrels
D.
frogs that live along the edges of ponds and streams
E.
sweetgum, a tree species with wind-dispersed seeds
Answer:
E
Explanation:
E because....
The other options mention species that occupy niche environments and would therefore definitely not be randomly dispersed. Rushes and frogs would be found along the edges of water bodies, squirrels would be found within appropriate environments, which would be acorn tree forests and orchid plants also occupy a particular tree.
The correct option is E.
What is random dispersion?
In random dispersion, individuals are distributed randomly, without a predictable pattern. An example of random dispersion comes from dandelions and other plants that have wind-dispersed seeds.
Is random dispersion rare?In natural populations, random dispersion is rare, while clumped dispersion, which we'll focus on in this lesson, is the most common pattern. Clumped dispersion is often due to an uneven distribution of nutrients or other resources in the environment. It can also be caused by social interactions between individuals.
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Chris talked to his grandma on the phone, and she asked what birthday presents he received. Chris picked up a toy bat
and said, "This is what I got,"fully expecting his grandma on the other end of the phone to see the toy bat, too. What
aspect of development is Chris showing?
concrete operations
egocentrism
abstract thinking
sensory motor skills
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Answer:
I think it's concrete operations
Answer:
1
Explanation:
