Answer: In lab, we used Benedict's reagent to test for one particular reducing sugar: glucose. Benedict's reagent starts out aqua-blue. As it is heated in the presence of reducing sugars, it turns yellow to orange. The "hotter" the final color of the reagent, the higher the concentration of reducing sugar.
Answer:
B. Orange
Explanation:
It is heated in the presence of reducing sugars, it turns yellow to orange. The hotter the final color of the reagent, the higher the concentration of reducing sugar.
Match the key event of meiosis with the stages listed below.
I. Prophase I V. Prophase II
II. Metaphase I VI. Metaphase II
III. Anaphase I VII. Anaphase II
IV. Telophase I VIII. Telophase II
Homologous chromosomes are aligned at the equator of the spindle.
a. IV
b. I
c. VI
d. II
Answer:
The answer is II. Metaphase I VI. Metaphase II
many people try to eliminate fat from their diet
Answer:
yes they do
Explanation:
they do because they don't want to be big chungus anymore, they want to be a skinny queen
A young hawk captures a bright yellow snake, but instead of its resulting in an enjoyable meal, the snake induces heavy vomiting by the hawk. Two weeks later, the same bird catches another bright yellow snake, and again vomits. The next time the young bird is foraging and sees a bright yellow snake, it quickly flies away. This is an example of
Answer:
Acquired behavior.
Explanation:
When animals are subjected to a dangerous situation more than once, they take another action in order to avoid said dangerous situation.
A well-named example also in acquired behavior is one that writes how to train dogs to feed by simply ringing a bell.
The acquired behavior is an action that is acquired during the life of the animal as learning, it is not born with it.
greater temperature fluctuations occur where
Punnet and his colleagues mated a purebred purple flower, long pollen sweet pea with a pure-bred red flower, round pollen sweet pea and obtained an F1 with purple flower and long pollen. What mating should they do to determine the recombination frequency between the gene that controls the color of the flower and the gene that controls the shape of the pollen?
Answer:
Cross an individual of the F1 with the purebred red flower, round pollen sweet pea parental.
Explanation:
The parental individuals are:
PL/PL: purebred purple flower, long pollen sweet peapl/pl: pure-bred red flower, round pollen sweet peaThe resulting F1 of the cross between the different parental types can only be PL/pl, which has purple flowers and long pollen. This means that the purple flower (P) and long pollen (L) traits are dominant.
To determine the recombination frequency between genes P/p and L/l, the cross should be done between a heterozygous individual for both genes (the F1) and a homozygous recessive individual for both traits (the pl/pl parental). This is called a test cross.
Which of the following statements about ATP-powered pumps is NOT true? All ATP-powered pumps contain at least one transmembrane domain. F-class and V-class pumps transport the same ion but in opposite directions. Only P-, F-, and V-class pumps transport ions. ABC transporters are found in organisms ranging from bacteria to humans.
Answer:
Only P-, F-, and V-class pumps transport ions.
Explanation:
The distinct classes of ATPases include:
1) Only the P-type ATPase actively transports ions across biological membranes. P-ATPases (also named E1-E2 ATPases) are found both in plasma and organelle membranes. These ATPases serve to transport ions and phospholipids by hydrolyzing ATP to ADP and phosphate.
2) A- and F-ATPases synthesize ATP by transforming the energy from a gradient of ions across the cell membrane.
3) V-ATPase (also known as Vacuolar-H+ ATPases) acidifies vacuole, lysosome, endosome and Golgi membranes. This type of ATPase couples the hydrolysis of ATP to the active transport of protons across biological membranes.
4) E-ATPases hydrolyze extracellular ATP.
An ATP power ion pump is one that is used by the cells in order to generate ions gradients at the expanse of ATP hydrolysis and these pumps have to differ from each other. As they consist of 2-10 polypeptide chains.
They are also called sodium-potassium pumps and move the sodium ions to the potassium ions into the cell. P ions calls is one that of the phosphorylation, V ions pumps have exclusively protons, and the F ions pulps don't involve phosphoprotein.Hence the option C is correct.
Learn more about the statements about ATP-powered pumps are NOT true.
brainly.in/question/16620803.
which of the following statements is NOT true regarding succession?
a) succession eventually slows to form a stable pioneer community
b) a major difference between primary and secondary succession is the presence of soil in secondary succession
c) a climax community is tolerant to environmental conditions
d) an edaphic climax has more than one climax community
smear samples from patient admitted at the kole-teaching hospital with boils and abscesses were brought to the laboratory for staining and microscopic examination. As an upcoming microbiologist state the keeping steps you would to stain the smear using Gram stain.upon examination, you've found blue coloured graped-cluster berry round the cell
1.what could be the outcome of the Gram staining reaction
2.what could be this bacterium and why
Answer:
It could be a Staphylococcus or also called Staphylococcus, due to the disposition it presents.
Explanation:
Staphylococci are coconuts (rounded shape) that unite in the form of a bunch of grapes, this is characteristic of them.
It could become a Staphylococ Aureus, since these are usually associated with the most frequent infections in humans, but the possibility that it is another type of the same bacterial family is not ruled out.
305°
Find the distance CS, and the bearing of S from C.
1.2 km
Find
Х
3 ZXZY
29 cm
38 cm
WX
A
53°
Y
W
Z
47 cm
А
ABCD is a tetrahedron.
29°
16 cm
620
Work out the length of AC.
Work out the length of CD.
Given that BD = 17 cm, calculate angle BCD.
70°
B.
C
13 cm
FA TRIANGLE
Answer:
13x657
Explanation:
fyfdtyerdjytiu
[tex]\int\limits^a_b {x} \, dx \left \{ {{y=2} \atop {x=2}} \right.[/tex]
1. Unlike catastrophism, _______ states that mountains formed slowly over time. 2. William Smith was working as a surveyor in the late eighteenth century. He noticed that certain fossils were found in certain layers of sedimentary or igneous rock, that the same order of strata could be found in areas that were far apart, and these strata contained similar _______. 3. The Permian Period lasted from 299 Ma to 251 Ma. This means that the Permian Period lasted _______ years.
Answer:
uniformitarianism, Fossil groups, 48 million years ago.
Explanation:
Uniformitarianism is the doctrine of uniformity that assumes that same environmental laws and process operate till date that has also occurred on the past but not with the same uniformity. Unlike the atmospheric that is short-lived and sudden changes over the period of time. William Smith was a geologist who has noticed a certain type of fossil in a certain layer of sedimentary and igneous rock. A similar layer of strata could be found in the areas that were further apart. The Permian period was from 229 to 251 million years and was the last period of the paleozoic era and is recorded for the last major extinction in the history of life in earth and it lasted for 48 million years.Answer:
1. uniformitarianism
2. fossils
3. 48 million
Explanation:
Just did it on Penn Foster
Why are proteins considered organic molecules?
A. They contain many carbon atoms.
B. They contain many nitrogen atoma.
C. They are very small
D. They are not used by living things.
SUBMIT
Answer:
A) They contain many carbon atoms.
Explanation:
Proteins are considered organic molecules because they are made up of carbon atoms. Proteins give your body energy and allows your body to run the way it does. Proteins also aren't considered organic molecules because they are small, because they are not used by living things, or because they contain nitrogen.
Hope this helps.
-lvr
Which statement regarding the "Krebs bicycle" is true? A) Ultimately, it results in the transport of NADH from the mitochondrial matrix to the cytosol. B) The urea cycle and the citric acid cycle have common cycle intermediates and are thus linked. C) Ultimately, it results in the transport of glutamate from the cytosol to the mitochondrial matrix. D) It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Answer:
The correct answer is option D. It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Explanation:
The Krebs bicycle is made out of on the right side the urea cycle, which networks with the aspartate-argininosuccinate shunt of the TCA cycle present on the left side. By argininosuccinate lyase, Fumarate delivered in the cytosol of the urea cycle enters the Krebs cycle in the mitochondrion and is changed over in a few stages to oxaloacetate.
Oxaloacetate gets an amino gathering with the help of transamination from glutamate, and the aspartate formed and leaves the mitochondrion and gives its amino gathering to the urea cycle in the response of argininosuccinate synthetase activity.
Thus, the correct answer is option D. It requires a set of reactions known as the aspartate–argininosuccinate shunt.
why are fatty acids important to the cell membrane?
Answer:
Fatty acids are important to the cell membrane for mammalian cells in order to perform various biological functions.
IF Avery, Macleod, and McCarty had found that samples of heat-killed bacteria treated with RNase and DNase transformed bacteria, but samples treated with protease did not, what conclusion would they have made
Answer:
See the answer below
Explanation:
The conclusion that Avery, Macleod, and McCarty would have made assuming that samples of heat-killed bacteria treated with RNase and DNase transformed bacteria, but samples treated with protease did not would be that protein is responsible for the transformation of the non-virulent bacterium strain to a virulent one.
According to the findings of the 3 researchers, heat-killed virulent strain of Streptococcus pneumoniae transformed non-virulent strain of the same species into being virulent. They were able to discover that the molecule responsible for this transformation was DNA.
If the heat-killed virulent strain had been treated with RNase and DNase, this would have degraded RNA and DNA in the heat-killed cells respectively, leaving only protein as the carrier of the virulence factor. Confirmation of the transforming attribute of the protein can be further be confirmed by treating the heat-killed mixture with protease, a protein degrading enzyme.
The passage describes some glycolysis reactions. Select the appropriate term for each blank to complete the passage. In the first reaction of glycolysis, glucose is converted to glucose 6‑phosphate . The phosphate comes from ______.
A __________is an enzyme that transfers the terminal phosphate of A isomerase glucose 6-phosphate to fructose-6-phosphate to a substrate. The product of this reaction is then isomerized reaction, giving Fructose-6-phosphate is then phosphorylated by a second isomerase fructose 1,6-bisphosphate
Answer:
JUST VOODSE
Explanation:
BRIUH
The body of a slime mold that flows over a rotten log appears to lack any partitioning into distinct cells; however it does become cellular when it changes form and produces spores. The surfaces of parasitic flatworms and some insect tissues are "syncytial" layers of living material that developed from a single cell but now contains many nuclei but lack partitioning by cell membranes. These tissues actively consume food and produce wastes. Considering that the cell theory states that "all living things are composed of cells," then:_______.a. these tissues are not living because they violate the cell theory.b. this proves some vital force is involved beyond normal cell structures in order to give life to living organisms.c. these tissues are obviously a bridge between nonliving and primitive living cells.d. the general concept of life-is-cellular still holds since sometime in their life these organisms still utilize cells, but this shows cell membranes can be abandoned.e. all of the above are true.
Answer:
The correct answer is : option D.
Explanation:
The given example of the slime mold that flows on a rotten log and the parasitic flatworms and other insects shows no cellular distinction as they lack true partitioning in between their cells of the body. These organisms (insects and parasitic flatworm) have syncytial tissues but lack cell membranes.
All these organisms still follow the rules of cell theory as they are made up of cells and rise from pre-existing cells and all cells of an organism are similar to one other. However, it is not necessary to have a cell membrane and it can be abandoned.
Thus, the correct answer is : option D.
Classify the following as definitions or examples of chemical digestion or mechanical digestion. Because of the nature of this process, some choices will be used more than once. Other choices may not be used at all
a. Chemical digestion
b. Mechanical digestion
1. Salivary glands produce an important substance for this type
2. Begins with chewing Involves the teeth and tongue
3. Breaks down starch, protein carbohydrates, fats, and nucleic acids
4. Gastric glands produce important substances for this type
5. Takes place in the mouth
6. Takes place in the large intestine
7. Takes place in the stomach
8. Takes place in the esophagus
9. Requires pankreatic juices and enzymes produced by the wall of the small intestine
10. Takes place in the small intestine
Answer:
Mechanical digestion:Begins with chewing Involves the teeth and tongue
Chemical digestion: Breaks down starch, protein carbohydrates, fats, and nucleic acids. Salivary glands produce an important substance for this type
Requires pancreatic juices and enzymes produced by the wall of the small intestine
Explanation:
Mechanical digestion starts in the mouth, it involves the breaking down of food into smaller particles.
Chemical digestion involves the breaking down of food into nutrients component that can be absorbable and used by the body cells.
It begins when the food mix with saliva in the mouth.
Chemical digestion starts from the mouth as the food mixes with saliva, Carbohydrate is been digested in the mouth while protein digestion takes place in the stomach. The pancreas produces important enzyme needed for digestion in the stomach.
Each of two parents has the genotype brown divided by red, which consists of the pair of alleles that determine hair color, and each parent contributes one of those alleles to a child. Assume that if the child has at least one brown allele, that color will dominate and the child's hair color will be brown. a. List the different possible outcomes. Assume that these outcomes are equally likely. b. What is the probability that a child of these parents will have the red divided by red genotype? c. What is the probability that the child will have brown hair color?
Answer:
Explanation:
From the given information:
Each of two parents has the genotype brown divided by red
So ;
The man's genotype is : [tex]\mathbf {\dfrac{Brown}{Red}}[/tex]
The woman's genotype is : [tex]\mathbf {\dfrac{Brown}{Red}}[/tex]
This [tex]\mathbf {\dfrac{Brown}{Red}}[/tex] genotype consist of the pair of alleles that determine hair color
Now; we are given an assumption that:
if the child has at least one brown allele, that color will dominate and the child's hair color will be brown.
i.e Brown allele is dominant to Red allele
(a) List the different possible outcomes.
The cross between :
[tex]\mathbf {\dfrac{Brown}{Red}* \mathbf {\dfrac{Brown}{Red}}}[/tex] will produce the following offsprings which is the different possible outcomes.
[tex]= \mathbf {\dfrac{Brown}{Brown} \ \ : \ \ \mathbf {\dfrac{Brown}{Red}} \ \ : \ \ \mathbf {\dfrac{Red}{Brown}} \ \ : \ \ \mathbf {\dfrac{Red}{Red} }}[/tex]
(b) . What is the probability that a child of these parents will have the red divided by red genotype?
The probability that the child of these parents will have [tex]\mathbf {\dfrac{Red}{Red} }}[/tex] is one out of four
i.e
= 1/4
= 0.25
(c) What is the probability that the child will have brown hair color.
We are being told that; if the child has at least one brown allele, that color will dominate and the child's hair color will be brown.
i.e Brown allele is dominant to Red allele
Thus; from above we will see that three of the offsprings have at least one brown allele;
Thus; the probability that the child will have brown hair color is = 3/4
= 0.75
Fungi are a necessary evil to humanity. Discuss the pros and cons.
Answer:
Fungi are said to be a necessary evil for society because:
On the one hand it has many pros, this means that they are used with optimal fines or that they benefit the human, such as yeast and alcoholic fermentation, the processes of beer formation, the production of basic foods for human nutrition , subsistence with the commensal or own flora of the human organism that defends us from other pathogenic microorganisms and really lethal for our species, and lastly they are also very good when it comes to scientific discoveries or advances, a great example is the penicillium fungus which is responsible for forming penicillin which is a very effective antibiotic today for a wide spectrum of bacteria.
On the other hand, the cons that some variety of fungi experienced lethal pathologies for humans such as histoplasmosis, or extremely dangerous pneumonia / bronchitis that today do not have a preventive method such as vaccines.
Explanation:
The fungi kingdom is extremely broad, that is why this kingdom can offer benefits or harm us human beings, and that is because the versatility of fungi is very high.
Nowadays, fungi present not only a difference in their morphologies, but also other resistance mechanisms, or tolerances to oxygen, metabolisms, energy sources, etc.
The next morning your team returns to work in the laboratory, where you get a call from the sheriff. The family of the three missing boys is pressuring him for information. Your team begins the final osteological exam. After careful examination, you produce your final inventory. You are working with the same number of bones, but you now have determined which side of the body they come from (when applicable).
You have:_______.
• 3 skulls
• 6 femora (4 right and 2 left)
• 4 os coxae (All adolescent males, 1 right and 3 left)
• 2 humeri (both right)
• 2 tibiae (both left)
• 5 scapulae (3 right and 2 left)
1. Based on the revised inventory, would you change your MNI? If so, what would be the new MNI?
2. What do you tell the sheriff? Are these the missing boys?
Answer:
See below
Explanation:
1. Yes, the MNI ought to be changed in light of the revised inventory. Since 4 of the 6 femora are right sided, they would belong to different individuals, so the MNI would now be stated as 4.
2. The sheriff would be told that the possibility of suspecting 22 individuals is very narrow, though not impossible. It is also unlikely that the victims are numbered less than 4 in accordance to the bones found.
what is odontoid process in bones/
Answer:
The odontoid processIt exhibits a slight construction or neck, where it joins the main body of the vertebra...
Hope you like it please mark me as a brainliesthow do greenshouse gases affect earth
Answer:
Burning fossil fuels like coal and oil puts more carbon dioxide into our atmosphere. NASA has observed increases in the amount of carbon dioxide and some other greenhouse gases in our atmosphere. Too much of these greenhouse gases can cause Earth's atmosphere to trap more and more heat. This causes Earth to warm up.
Answer:
Burning fossil fuels like coal and oil puts more carbon dioxide into our atmosphere.
Explanation:
If carbon dioxide gets into the air, it'll damage the air we breathe in.
Macromolecules in the cell can often interact transiently as a result of noncovalent interactions. These weak interactions also produce stable, highly specific interactions between molecules. Which of the factors below is the most significant in determining whether the interaction will be transient or stable?
a) the size of each molecule
b) the number of chemical bonds between the molecules
c) the concentration of each molecule
d) rate of synthesis
Answer:
The correct answer is option b) "the number of chemical bonds between the molecules".
Explanation:
Chemical bonds are the forces that enable the formation of compounds. The number of chemical bonds is a determining factor to know if an interaction will be transient of stable. The more chemical bonds the more stable an interaction will be. Few chemical bonds between molecules makes an interaction unstable and easy to break, enabling transient interactions that are key to certain biological pathways.
4. What about each person's chromosomes make them unique?
Answer:The DNA in each persons chromosomes makes them unique
Explanation: Representing segments of the genome that have been passed down from generation to generation, occasionally being shuffled amongst chromosome pairs. This shuffling has helped drive evolution through time, and ultimately has helped write your genome and the story of you.
With the use of site-directed mutagenesis, hemoglobin has been prepared in which the proximal histidine residues in both alpha and the beta subunits have been replaced by glycine. The imidazole ring from the histidine residue can be replaced by adding free imidazole in solution. Would you expect this modified Hb with free imidazole to exhibit oxygen binding? Why or why not?
Answer:
The modified hemoglobin with free imidazole cannot be expected to show cooperativity in oxygen binding. The movement of iron ion takes place up in the plane of heme when binding of one subunit of hemoglobin takes place with oxygen. One of the iron's and oxygen's axial ligands comprise the proximal histidine's imidazole ring.
With the movement of iron into the hemoglobin ring, the pulling of proximal histidine takes place along with it. Therefore, when binding of oxygen takes place with one subunit, a modification also takes place in the intersubunit associations, this also comprises displacement of the alpha helix. This phenomenon plays an essential role in modifying the hemoglobin's tensed state to the relaxed state. The withdrawal or mutation of the imidazole ring from the histidine residue does not further permit the cooperative binding as it is not associated physically with the alpha-helix.
The fact that there appears to be a genetic component to inflammatory bowel disease, but that it does not show clear Mendelian inheritance ratios suggests any of the following, EXCEPT: the gene for the disease has incomplete penetrance. the gene for the disease has limited expressivity. the disease is polygenic. the gene for the disease is recessive.
Answer:
Option D
Explanation:
(the gene for the disease has incomplete penetrance. the gene for the disease has limited expressivity. the disease is polygenic) - all these are examples of non-mendelian inheritance which include incomplete penetrance, polygenic inheritance etc. These do not follow the mendelian pattern of inheritance.
(the gene for the disease is recessive.)- this shows the mendelian pattern of inheritance... Dominant and recessive characteristics are examples that show Mendelian inheritance.
Which bacteria is Acid-fast?
Answer:
try and sum it down to 3 answers
Explanation:
In your own words, explain why the geological structures in Florida are less complex than the geological structures in Colorado.
Answer:
Different parts and regions have distinct features and characteristics.
Colorado is known to have lots of mountains. Florida is however a humid-subtropical region. This makes differences in the types of loving organisms found in the named region. There are also different ages in geological structures.
Colorado has lots of rocks in the region and is as result of the presence of rigid hills and mountains while Florida is more tropical and has a coastal processing climate with low prevalence of rocks.
A possible explanation for the differences in structure, function, and behavior between
chimpanzees' and humans is provided by the
bota
Answer:
The theory of evolution by natural selection
Explanation:
Nowadays, it is widely accepted that chimpanzees are primates closest related to us. Darwin's postulated "The theory of evolution by natural selection", in the book "On the Origin of Species" in 1859. It is a theory that explains how species evolve over successive generations by gradual changes and the selection of the most adaptive phenotypes. Anatomical, fossil, and genetic evidence support the idea of an evolutionary link as Darwin predicted between hominids (humans) and other primates.
In regard to genetic evidence, whole-genome sequence analyses have shown that humans and chimpanzees share about 98% of sequence homology. Moreover, according to the phylogenetic tree, both species evolved from one common ancestor that was present approximately 4 million years ago.
In regard to anatomical and fossil evidence, it has been discovered that the chimp brain has a similar size to human extinct relatives, and thereby also supporting an evolutionary link between both species.
what is a spinal cord
Answer:
The spinal cord is a long, thin, tubular structure.
Explanation:
The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. It encloses the central canal of the spinal cord, which contains cerebrospinal fluid.
Answer:
it is a tissue
Explanation: