The drawing below shows another sort of pollen grain
How is it adapted for pollination?
Answers
Some of these pollen grains are sticky or hairy and can stick to the bug.
To easily catch pollen grains that have travelled via the wind, the flower's stigma should be feathery or net-like.Due to the enormous amount of pollen that is wasted when it is dispersed by the wind, plants produce a lot of pollen.
Additionally prepared for insect pollination, pollen grains are. Pollen grains can cling to insects because some are sticky, while others are hairy. Wind pollinates farmed cereals and plants like untamed grasses.
Thus, this way, the given pollen grain is adapted.
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Related Questions
Please help I will give brainist!
Answers
Answer:c
Explanation:
During ___, the first phase of cell division, chromosomes condense as the nuclear membrane starts to disappear.
Answers
The chromosomes condense as the nuclear membrane begins to disappear during prophase, the first phase of cell division.
What stage does chromosomal condensation begin?The process of cell division is classified into 4 stages, prophase, metaphase, anaphase, and telophase.The cell starts to prepare itself to separate the chromatids and divide during prophase, the initial stage of mitosis. The nuclear membrane and nucleolus disintegrate during prophase, and the chromosomes condense. At the cell's opposing poles, the centrioles and spindle fibers start to develop.The parent cell's chromosomes, which were duplicated during S phase, condense and get much smaller than they did during interphase during prophase.The prophase is the beginning of the cell division process, which is characterized by the condensation of chromosomes and the disappearance of the nuclear membrane.To know more about prophase refer:
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3The graph below shows rate of reaction data for 2 different enzymes. One of these enzymes are
found in the stomach, the other is found in the mouth
Rate of reaction
pH
Which of these lines is more likely to indicate the enzyme found in the stomach? Explain your answer.
Answers
How have scientists started to study relationships between different groups of organisms?
A. By watching how the different organisms interact with each other
B. By studying how they mate
C. By using genetic analyses
D. By studying the organisms in their natural habitat
Answers
Answer:
C. By using genetic analyses
What makes birds and planes similar and different.?
Answers
Answer:
Airplanes have wings, just like birds. They also have a light skeleton (or framework) to decrease their weight, and they have a streamlined shape to decrease drag. The big difference is that airplanes do not flap their wings.
Boxes of Honey-Nut Oatmeal are produced to contain 16.0 ounces, with a standard deviation of 0.15 ounce. For a sample size of 49, the 3-sigma x chart control limits are: Upper Control Limit (UCL;) = ounces (round your response to two decimal places).
Answers
The Upper Control Limit (UCL) for the 3-sigma x chart control limits is 16.22 ounces.
The control limits in statistical process control (SPC) are used to determine whether a process is within acceptable limits or if it is experiencing significant variation. In this case, we are considering the 3-sigma x chart control limits, which are calculated by adding and subtracting three times the standard deviation from the process mean.
Given that the mean weight of the Honey-Nut Oatmeal boxes is 16.0 ounces and the standard deviation is 0.15 ounce, we can calculate the UCL as follows,
UCL = Mean + (3 * Standard Deviation) = 16.0 + (3 * 0.15) = 16.0 + 0.45 = 16.45 ounces.
Rounding the answer to two decimal places, the Upper Control Limit (UCL) for the 3-sigma x chart control limits is 16.22 ounces.
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Two fruit flies that are heterozygous for body color and eye color are crossed. Brown body color is dominant to black body color. Red eye color is dominant to brown eye color. Use the Punnett square to determine the ratio of offspring with: Brown body and red eyes Brown body and brown eyes : Black body and red eyes : Black body and brown eye.
Answers
The ratio of offspring that possess the following phenotype is as follows:
Brown body and red eyes: 9Brown body and brown eyes: 3Black body and red eyes : 3Black body and brown eye: 1This question involves two genes coding for body color and eye color in fruit flies respectively. The brown body color allele (B) is dominant over the black body color allele (b) in the first gene while the red eye color allele (R) is dominant over the brown eye color allele (r) in the second gene. In a dihybrid cross between two fruit flies that are heterozygous for both genes i.e. BbRr × BbRr, the allelic combinations of gametes produced by each parent fruit fly will be:BbRr- BR, Br, bR and brUsing these gametes to complete a punnet square (see attached image), 16 possible offsprings will be produced in a ratio 9:3:3:1 where;Brown body and red eyes (B_R_) : 9Brown body and brown eyes (B_rr) : 3 Black body and red eyes (bbR_) : 3Black body and brown eye (BbRr) : 1Hence, the ratio of the offsprings will be 9:3:3:1Learn more about punnet square at: https://brainly.com/question/14504341?referrer=searchResults
Answer:
9, 16, 3, 16, 3, 16, 1, 16
Explanation:
Brown body and red eyes ⇒ 9 ⇒ 16
Brown body and brown eyes ⇒ 3 ⇒ 16
Black body and red eyes ⇒ 3 ⇒ 16
Black body and brown eyes ⇒ 1 ⇒ 16
Gita tested butter and bread with iodine solution. Which nutrient was she testing for?
Answers
Answer:
an iodine test for starch
She is testing for the presence of Starch.
The iodine test is a chemical reaction which checks for the presence of starch on food substances with the use of iodine solution (0.1 M potassium triiodide solution) as the reagent.
The procedure follows as
Add few grams of the crushed solid food sample or use a spatula to hold a piece of food sample (bread) Add about 3-5 drops of iodine solution to the sample Observe any color changes.1. If no change occurs that means the Iodine still remains brown then no starch is present
2. If a blue black coloration is formed, then presence of starch is confirmed.
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Which of the following is NOT a factor that
contributes to human population growth?
Answers
Answer:
decrease in population.
Explanation:
advancededicine and improved sanitation etc can lead to migration of people to places.
there are three categories of chemical reactions based on changes in chemical structure. The first category is
Answers
Explanation: Chemists separate chemical changes into three different categories: biochemical changes, organic chemical changes, and inorganic chemical changes. Biochemical changes are the changes that happen within the bodies of living organisms.
Which mRNA modification is likely absent if the mRNA is degrading prematurely from the 5 end of the mRNA?
A) RNA editing
B) addition of the 3 polyadenylated tail
C) removal of introns
D) addition of the 7-methylguanosine cap to the 5 end
E) splicing together of exons
Answers
The correct answer is D) addition of the 7-methylguanosine cap to the 5' end. mRNA modification is likely absent if the mRNA is degrading prematurely from the 5 end of the mRNA.
Prematurely refers to something happening or being done before the expected or appropriate time. It implies an occurrence that takes place too soon, without reaching its full development or completion. Premature actions, events, or decisions often lack the necessary preparation, maturity, or readiness.Prematurely can describe various situations across different contexts. Premature conclusions are formed without considering all relevant information or evidence.
Premature judgments are made without giving adequate time for proper analysis or reflection. Premature actions can lead to undesirable consequences, as they may not align with the optimal timing or conditions for success. It highlights the importance of patience, careful consideration, and allowing sufficient time for processes to unfold naturally.
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what are the two types of dental caries described by location? group of answer choices attrition and erosion panoramic and extraoral pit and fissure, and smooth surface translucent and opaque
Answers
The two types of dental caries described by location is pit and fissure, and is therefore denoted as option C.
What is Dental caries?This is a medical condition which is also referred to as tooth decay or cavities and occurs when certain bacteria in the mouth converts sugar into acid and then it demineralizes and erodes the enamel thereby resulting in holes being formed in the area.
The enamel is the structure found in the teeth that serves as insulator which protects other delicate tissues from chemical and physical forces for its optimal functioning.
There are however two types of dental caries described by location and they are pit and fissure. These condition can be treated using the application of fluorides and also antibacterials to the affected area for best possible result.
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1.2 DESIGN CONSIDERATION
Answer the following questions:
1.2.1 What problem did the paramedics encounter at the accident scene?
Answers
Answer: Paramedics are the medical professionals which perform multitasking in providing medical aid to the patients in the field as well as in the hospital.
Explanation:
Problems encountered by the paramedic at the accidental scene:
1. Major problem is the collection of the blood and other bodily fluids for examination as it is contaminated over spilling on the road.
2. Stabilizing and uplifting of the patient found on accident and curating them to ambulance is a labor consuming task.
3. Some body parts are severely damaged in accidents some of which includes those parts which covers the vital organs like ribs, spinal cord, skull, and pelvis so stabilizing those parts is a risky task for paramedics and can even kill the patient.
Image below please its due in like 30 minutes and this is only the second question
Answers
Answer:
the second choice is incorrect
Explanation:
plz give me brainliest i only need one more to increase my level!
janet is 12 weeks pregnant. at this point, her developing baby is called a(n): zygote. embryo. fetus. teratogen.
Answers
At 12 weeks pregnant the baby is at foetal stage of development.
The foetal stage of development follows embryonic development. Fetal development in humans starts in the ninth week following fertilisation and lasts until birth. The sex organ are grown and theer is no missing organ. If there is a defect at this stage in formation of body parts at this stage it will be carried till end of pregnancy. Although the baby will be moving a lot, it's too early for you to feel their motions just yet.
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WHAT IS OSMOREGULATION
Answers
Answer:
Osmoregulation is the process by which an organism regulates the water and electrolytic balance in its body to maintain homeostasis.
At what degrees does water need to be at in order for it to start solidifying and forming crystals along it's hydrogen bonds, which will then make it able to float.
Answers
The degrees that the water need to be at in order for it to start solidifying and forming crystals along it's hydrogen bonds is 0 degrees Celsius.
What is the temperature that the water will start to float?The temperature that the water will start to float can be expressed as the zero degree, this can be explain in the sense that the water will be locked into a crystalline lattice.
As a result of this the water will become a solid which will be able to float when it is been introduced into the water because the temperature has been reduced to 0 degrees Celsius.
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Based on the blast results, what can you conclude about your query sequence? answer the questions below by dragging one pink label to each pink target and one white label to the white target. Pink labels may be used once, more than once, or not at all.
Answers
The BLAST program (Basic Local Alignment Search Tool) was developed to perform searches and compare biological sequences against a database that contains a large amount of information.
The BLAST programThe BLAST program performs the search using segments of the query sequence against the database sequences. The query string is divided into small words (word) that will be used in the search. These substrings are compared with the subject strings until identical strings are found.
With this information, we can conclude that the BLAST program was developed to perform searches and compare biological sequences.
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SOMEONE SMART PLS HELP!!!!! If 1 kg of fuel is used in the above fusion reaction, the resulting helium has a mass of 0.993 kg. In other words, 0.007 kg of mass is converted to energy. How much energy is produced by the fusion of 1 kg of hydrogen? (Hint: Use Einstein's equation, E = mc2, where E is energy in Joules, m is mass in kilograms, and c is the speed of light, 3 x 108 m/s.) (6 points)
Answers
Answer:
mass using E= mc^2 is = 0.007*(3E8)^2 = 6.3E14 Joules
Explanation:
hope this helps :)
List all of possible haploid genotypes of the gametes for the following genotypes for two genes on different chromosomes: a Aabb b.ААВЫ cAaBB d.AAbb e. AaBb f.aabb
Answers
The haploid genotypes of the gametes for the following genotypes for two genes on different chromosomes are :a Aabb: Gamete genotype: aAb and aab. b ААВЫ: Gamete genotype: АB. c AaBB: Gamete genotype: AB and aB. d. AAbb: Gamete genotype: AaB and Ab. e. AaBb: Gamete genotype: AB, Ab, aB, and ab. f. aabb: Gamete genotype: ab.
All of these genotypes are from different genes located on different chromosomes, so they follow the Mendelian law of segregation. According to this law, every diploid organism contains two alleles for each gene, and when that organism produces gametes, those alleles segregate (separate from each other) into different gametes in a random fashion.
Therefore, the number of different gametes produced by an organism is equal to 2 raised to the power of n, where n is the number of heterozygous genes (genes with two different alleles) present in the organism.
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1. what would happen to an enzyme if the temperature and Ph changed significantly beyond the enzyme’s optimum level?
2. How would this affect enzyme activity?
Answers
1. the enzyme would become denatured ( it will lose its shape )
2. the enzyme activity would significantly decrease ( slowed down )
hope that helps ! let me know if you have any further questions :)
Denaturation will occur if the enzyme temperature and Ph changed
significantly beyond the enzyme’s optimum level.
Enzyme activity will become slower/reduced.
Enzymes are referred to as biological catalyst which helps to regulate
biochemical processes in the body.
Enzymes perform optimally under a specific temperature and pH and any
change will denature the protein and it will lose its properties.
This will also lead to the enzyme activity being slower or having no effects
on the substrate.
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Moats helped protect a castle from unwanted intruders, while drawbridges allowed easy passage to and from the castle. Similarly, prokaryotic cells and eukaryotic cells have a structure called a plasma membrane that controls what may pass into and out of their internal environments. What are the components of the plasma membrane? What is its function? Most importantly, how does the plasma membrane maintains the cell’s homeostasis? As you think about these questions, list what you know about the plasma membrane and what you would like to know.
Answers
The cell membrane is composed of molecules like phospholipids, cholesterol, and proteins. The cell membrane functions are isolation, protection, transport, communication. Through transport, the cell keeps homeostasis.
-------------------------------
MEMBRANE COMPOSITION
The cell membrane is composed of two lipidic bilayers, cholesterol, proteins, and glucans incrusted in between.
⇒ Lipids
Phospholipids are amphipathic molecules. They have hydrophilic heads facing the exterior and the interior of the cells and hydrophobic tails that arrange against each other in the interlayer space. Lipids can easily change places with other lipids by lateral diffusion in the same layer. They can diffuse transversally to the other layer but not as easily as lateral diffusion. There are also other lipidic movements as rotational diffusion that imply the rotation of the molecule.⇒ Cholesterol
These molecules are incrusted in the membrane between the hydrophobic tails of lipids.
⇒ Proteins
Among the proteins, we can find integral proteins and peripheric proteins.Integral proteins are permanently associated with the membrane. They accomplish many different functions such as substances transport, cellular receptors, cellular adhesion, among others.According to how they are incrusted in the lipidic bilayer, integral proteins might be,
→ Transmembrane proteins ⇒ span the entire membrane
→ Monotypic integral proteins ⇒ attached to only one of the lipidic layers
Integral proteins provide structure to the plasmatic membrane.
Periferic proteins are in the internal or external surface but not incrusted in the membrane.MEMBRANE FUNCTION
The cell membrane accomplish many different functions. Among them, we can mention,
Isolation ⇒ It separates the intracellular content from theextracellular space.
Protection ⇒ It protects the interior of the cell from any damagingexternal factor that might affect is correct functioning.
Transport ⇒ It allows the selective pass of certain molecules or ions.Substances interchange
→ Passive transport → Simple diffusion → through lipids
→ Facilitated diffusion → Assited by channel proteins
→ Does not need energy
→ Depends on the molecule size, concentration at each side of the membrane, and the ions charges.
→ Occurs in favor of the electrochemical gradient
→ Active transport → It does energy to occur
→ Mediated by carrier proteins
→ Transport big-sized molecules
→ Against the electrochemical gradient
→ Endocytosis/Exocytosis → Active transport mediated by vesicles
Communication ⇒ By emision and reception of substances andmolecules, cell can communicate with other cells.
This process is always mediated by membranes
and their transport proteins or receptor proteins.
HOMEOSTASIS
Homeostasis refers to stability or equilibrium between intracellular and extracellular space.
Since the extracellular content is in constant change, the cell needs to keep a dynamic equilibrium between the interior and the exterior.
The main way of doing so is by substances transport.
Cells need to equilibrate substances concentrations in both sides of the membrane, so by transport, they take molecules in and out of the cell until they reach equilibrium.
In this way, the cell ensures its correct functioning.
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1. How do plants benefit from fungi?
A. Fungi cause growth of plants.
B. Fungi attract light energy to plants.
C. Fungi make nutrients more available to plants.
Answers
Answer:
C. Fungi make nutrients more available to plants.
Explanation:
The fungi colonize the root system of a host plant, providing increased water and nutrient absorption capabilities while the plant provides the fungus with carbohydrates formed from photosynthesis. Mycorrhizae also offer the host plant increased protection against certain pathogens.
Carbon, hydrogen, and oxygen from sugar molecules may combine with other elements to form other biomolecules. The picture
above shows an example of this. Examine the model and choose ALL of the statements that accurately describe the formation of the
new biomolecule.
A)
Proteins are being formed.
B)
The monomers are amino acids.
o
This is a hydrolysis reaction.
D)
Carbohydrates are being broken down.
E)
This is a dehydration synthesis reaction
Answers
The following statements are true from the image;
Proteins are being formed.The monomer, are amino acids.Many biomolecules are naturally occurring polymer substances. In this case the biomolecule that is being formed is a protein.
A protein is composed of several peptide bonds formed from amino acids. Hence, the monomer in this case are amino acids from which polypetides and proteins are formed.
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Sarah was testing paper towels to see which brand was the strongest. She used five brands of towels in her experiment. She wet the towels and then used them to hold beans. She counted the number of beans the wet paper towels could hold without tearing. When the experiment was completed, Sarah compared the towel strength using a bar graph. What was her label on the X-axis?
Answers
Answer:
I think it is 6 I think maybe
Answer: Explanation:
on the x-axis is the paper towels. (1, 2, 3, 4, 5)
y-axis will be the beans, seeing how much it held on those 5 towels.
A testcross involves an individual exhibiting the dominant phenotype but an unknown genotype being crossed with an individual that has a(n) ___________ genotype.
Answers
Answer and Explanation:
You will find the complete answer and explanation in the attached file due to technical problems.
what is the functions of genotypes???
Answers
Answer:
The genotype of an organism is its complete set of genetic material, two alleles are inherited for a particular gene by your parents sex gametes (sperm + egg). the genotype determines the persons phenotype eg. polydactyly, your eye colour etc, with a recessive or dominant allele. this can be determined through punnet squares too.
What does it mean to die of "natural causes" or to die of "old age"?
Answers
Explanation:ya que el cuerpo se dessasta por estar en funsionamieto pormucho tiempoc
On the other hand, dying of “old age” is quite similar. It just means someone who is old died from a disease. You can’t actually die of old age. Older people just have a higher chance of getting illnesses than younger people, and possibly dying from it.
I hope that made sense. If it didn’t, I’m sorry there’s no other way for me to explain it properly
Amino acids form peptide bonds through dehydration. Explain the role of water in this process by describing the chemical reaction.
Answers
Answer:
A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O). This is a dehydration synthesis reaction (also known as a condensation reaction), and usually occurs between amino acids.
Explanation:
Peptide bonds are- Any reaction that combines two monomers in a reaction that generates H2O as one of the products is known as a dehydration reaction, so peptide bond formation is an example of a dehydration reaction.
Answer:
water is a molecule which will be made
Replicate the following strand of DNA: AATCATGGA
Answers
Answer:
UUAGUACCU
Explanation:
A ---> U
T ---> A
C ---> G
it's been a while since I did this stuff but I'm 99% sure it's correct
The replicate strand of the given strand of DNA is TTAGTACCT as per the complimentary base pairing in DNA.
What is DNA?DNA is a hereditary material which is present in human beings as well as all other living organisms. Every cell which is present in an organism's body has DNA which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.
Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.
DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule and a phosphate group. A base, phosphate sugar are together called as nucleotides.
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