Answer: A. The particles that make up material B are more closely packed
Explanation:
The particles that make up material B are more closely packed together than the particles that make up material A. The correct answer is A. The particles that make up material B are more closely packed together than the particles that make up material A.
What is density ?Density is defined as mass per unit volume. Since the samples of material A and B have the same mass, but material B has a higher density, this means that material B has a smaller volume than material A.
The density of a material is related to the way its particles are arranged and packed together. When the particles are more closely packed together, the material will have a higher density. Therefore, option A is the correct answer that explains why the sample of material B is higher in density than material A.
If the samples of material A and B have the same mass, but the sample of B is higher in density, this means that the mass of the particles in material B is greater than that in material A, even though they have the same mass. This is because the particles in material B are more closely packed together, which means that there are more particles in a given volume of material B compared to the same volume of material A.
For example, imagine a container of 1 liter volume containing material A and another container of 1 liter volume containing material B. If the mass of material A and B in each container is the same, this means that the container of material A would have a greater volume than the container of material B. This is because the particles in material A are less closely packed together than the particles in material B.
Therefore, the key difference between the samples of material A and B is the way their particles are arranged and packed together, which determines their density.
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I have no idea what the answer is but ill give points for CORRECT answers only!!!
Answer:
A
Explanation:
Which of the following best describes a precipitate?
A measure of mass per unit of volume
A solid separated from a solution
A form of weather
A clear indication of a physical change
Answer:
In chimica, un precipitato è un solido insolubile che emerge da una soluzione liquida. L'emergenza del solido insolubile dalla soluzione è chiamata precipitazione. Spesso il precipitato emerge come una sospensione. I precipitati possono formarsi quando due sali solubili reagiscono in soluzione per formare uno o più prodotti insolubili.
Explanation:
A solid separated from a solution best describes a precipitate. So, the correct option is B.
What is Precipitate?Precipitation is the process of formation of a solid substance in a solution, either by physical mixing of low-solubility chemicals or by a chemical reaction of two or more compounds. Precipitate refers to the solid that eventually forms as a result. A solid that separates from a solution during a chemical reaction is known as a precipitate.
When two or more compounds are combined, they react to form an insoluble product, which is how it is formed. A precipitate may take the form of a suspension in solution or a solid that settles to the bottom of a solution. It can be removed from a liquid using a number of techniques, including filtration and centrifugation. Many chemical reactions require precipitates, which are often used to separate, purify, or identify different compounds.
Therefore, the correct option is B.
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Select all that are true about genes and proteins
Proteins are responsible for the variation of birth rates we see in a species
a) A codon has the instructions for a protein
b) If a protein's shape changes, the function changes as well
c) There are 46 amino acids
d) Proteins are responsible for the variation of traits we see in a species
e) Some genes have no function at all
f) A codon has the instructions for an amino acid
Answer:
E, D, A
Explanation:
No explanation thats whats responsible. A brainliest will be nice
Mendel demonstrated which of the following about inherited traits? Check all that apply.
certain traits are more likely to appear than their alternatives.
some traits show blending inheritance.
traits segregate among the offspring of a cross.
traits can be hidden in some generations, but subsequently reappear unchanged in future
generations.
parents that both have the same trait can have offspring with an alternative trait.
Answer:
The correct answer would be -
certain traits are more likely to appear than their alternatives.
traits segregate among the offspring of a cross.
traits can be hidden in some generations, but subsequently, reappear unchanged in future generations.
parents that both have the same trait can have offspring with an alternative trait.
Explanation:
Mendel is known as the father of genetics for his tremendous work in the field of genetics by performing experiments on the pea plants which contribute to the make the law of inheritance. According to all three laws of inheritance and experiments performed by Mendel, he demonstrated inheritance patterns in the traits or the alleles inherited to the next generation.
Certain traits that are dominant are more likely to appear than their recessive alternatives. Trait segregates when gametes form during the cross. In heterozygous cases, some traits can be hidden but can reappear unchanged in future generations.
Choose the correct answer.
The process of removing all the unwanted matter from sheared wool of an animals called ?
a) Carding
b) Grading
c) Scouring
d) Drying
2.which of the following leaves do Bombyx mori L silkworms feed on ?
a) mulberry
b) neem
c)mapple
d)all of these
Answer:
answer 1 shearing
answer 2 mulberry
determine the phenotypes of the offspring if the genotypes of the mare was LLGg and the stud was LlGg
Answer:
hope this helps
Explanation:
A monohybrid cross is one that involves only one trait. Here the example is used of stem height in pea plants. Tall plants are dominant to dwarf plants,
Can a gene mutation that does not influence phenotype be considered an adaptation? Why or why not?
Answer:
No; only a small percentage of mutations cause genetic disorders—most have no impact on health or development. For example, some mutations alter a gene's DNA sequence but do not change the function of the protein made by the gene.
Explanation:
Why is ATP like a charger battery and ADP is like an uncharged battery ?
Answer:
When a cell has no available energy, it is able to store energy by adding a phosphate group to an ADP (adenosine diphosphate) molecule. The ATP molecule that results is like a battery because both the molecule and a battery contain stored energy, while, on the other hand, ADP is a partially charged battery.
Explanation:
hope this helped Mark BRAINLEST!
CAN YOU HELP MD PLEASEEE ITS BIOLOGY!!! THANK YOUUU
Answer:
yeah of course
1 ) answer is protist
2) Eubacteria
3) Animal
What is the answer to this question 11
Answer:
11 = multicellular ; autotroph
option D
hope it helps
Mutations rII1 and rII2 are known to fall into the rIIA and rIIB cistrons (genes) respectively. Cells of E. coli B are infected simultaneously with phage strains rII1 and rII2 at a high moi. The progeny phage are collected and used to infect cells of E. coli K. This infection is also carried out at a high m.o.i., and the resulting phage are collected. These progeny are diluted and plated on both E. coli B and E. coli K. Do you expect more plaques on strain B, on strain K, an equal amount on both or is it impossible to tell?
A. E. coli B
B. E. coli K
C. Equal on both
D. Can't tell
Answer:
the answer is A. E. coli B
Explanation:
The multiplicity of infection (MOI) refers to the ratio between the numbers of viruses used to infect E. coli cells and the numbers of these E. coli cells. Benzer carried out several experiments in order to define the gene in regard to function. Benzer observed that E. coli strains with point mutations could be classified into two (2) complementary classes regarding coinfection using the restrictive strain as the host. With regard to his experiments, Benzer observed that rII1 and rII2 mutants (rapid lysis mutants) are complementary when they produce progeny after coinfect E. coli K (where neither mutant can lyse the host by itself). The rII group of mutants studied by Benzer does not produce plaques on E. coli K strains that carry phage λ (lysogenic for λ), but they produce plaques on E. coli B strains. This study showed that rIIA and rIIB are different genes and/or cistrons in the rII region.
Can you breathe with a closed mouth? If yes how does air pass in?
Answer:
yes, through your nose
Explanation:
yes
Given is a strand of DNA, fill in the corresponding RNA strand and find which amino acids that strand codes for.
Please help!
Answer:
RNA: [tex]A-U-G-U-A-U-A-C-G-G-A-U-U-G-A[/tex]
Amino acids: Methionine, Tyrosine, Threonine, Aspartic Acid
Explanation:
1) First, transcribe the DNA to RNA. For each nitrogenous base (to put it simply, the letter) listed in the DNA strand, write the strand of RNA with the matching nitrogenous base. Remember that, when transcribing, the thymine (T) from DNA can pair with adenine (A) in the RNA, adenine (A) pairs with uracil (U), and cytosine (C) and guanine (G) always pair with another.
DNA: [tex]T-A-C-A-T-A-T-G-C-C-T-A-A-C-T[/tex]
RNA: [tex]A-U-G-U-A-U-A-C-G-G-A-U-U-G-A[/tex]
2) Next, to find the amino acids the strand codes for, read the nitrogenous bases in the RNA from left to right in groups of three, or codons. Then, using a codon chart, find which amino acid the group of three bases codes for. This gives the following answer below. (Remember that the codon UGA stops the translation and therefore does not code for an amino acid.)
Amino acids: Methionine, Tyrosine, Threonine, Aspartic Acid
Amino acids: Methionine, Tyrosine, Threonine, Aspartic Acid
What are amino acids?Amino acids are the building blocks of protein. Proteins are long chains of amino acids. Your body has thousands of different proteins that each have important jobs. Each protein has its own sequence of amino acids.
Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although hundreds of amino acids exist in nature, by far the most important are the alpha-amino acids.
The human body uses amino acids to make proteins to help the body: Break down food. Grow. Repair body tissue.
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What tools can be used to make observations of the color of a mineral
Answer:
You can identify a mineral by its appearance and other properties. The color and luster describe the appearance of a mineral, and streak describes the color of the powdered mineral. Each mineral has a characteristic density.
Explanation:
:)
Plss help me with this carbon cycle!!!!
Answer:
Plants photosynthesize, so they need, thus absorbs carbon dioxide. Marine plants also need carbon dioxide for photosynthesis so they absorb. Dead plant and animal matter decay to release carbon dioxide as a result.
A carbon footprint refers to the greenhouse gas emissions caused both directly, and indirectly, by an individual, a product, an organization, or an event.
what is the definition of soluble?
Answer:
soluble means that it is capable of being dissolved in water
Explanation:
Answer:
able to be dissolved, especially in water.
Explanation:
out of 1200 students,960 in science,852in mathematics,120 failed in both subject and 84 did not appear in an examination.find the number of students who passed in both subject
Answer:
996
Explanation:
first we can take 84 out of the total of 1200 because they didnt even take a exam and then we can take 120 out of that because those are the students who failed which leaves us with 996 students who passed both subjects.
Which of these is a downside of natural gas?
Answer:
B, extraction through fracking can contaminate groundwater.
Explanation:
Well, it's really the only downside available. Hope this helps :)
Plzzz help A librarian wants to yo knows what genres of books are most popular. He looks up the top 10 checked out books in the library’s computer system is it a observational study or a survey or a experiment?
Answer: Observational study
Explanation:)
Why does DNA make a copy of itself during cell division?
A. To make sure that the two new cells can make the same proteins
as the parent cell
B. To make sure that the two new cells have slightly different genetic
codes
C. To carry amino acids out of the nucleus
D. To expose the genes that code for the needed proteins HELP FAST
Answer:
its A
Explanation:
I took the test
If a certain species of brown bird is crossed with a white one all the offspring are tan. If these offspring were crossed and produced 20 individuals in the f2 generation what colors and ratios would be expected?
Answer:
In the f2 generation:
10 of offspring would be tan (ratio form - 10:20)
5 of offspring would be white (ratio form - 5:20)
5 of offspring would be brown (ratio form - 5:20)
label the following parts of an animal cell
Eukaryotic cells are larger than prokaryotic cells.
True
False
What factors play a role in how fast, far, or what direction DNA fragments travel for gel electrophoresis?
Explanation:
DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode, Shorter strands of DNA move more quickly through the gel than longer strands resulting the fragments being arranged in order of size.
Hope it helped of it did mark as brainliest!
How many nucleotides are there in 5 codons?
Who can help me
Answer:
15 because one codon has 3 nucleotides
Explanation:
How do the vrg and drg control and regulate the respiratory rate?
Answer:
The ventral respiratory group (VRG) and the dorsal respiratory group (DRG) within the medullary rhythmicity area cooperate to establish the pattern for spontaneous ventilation and basal rate of ventilation which may be adjusted by impulses from related respiratory control centers in the pons; the ventral respiratory group (VRG) contains both inspiratory and expiratory neurons; the autorythmic inspiratory neurons stimulate the diaphragm and external intercostals for approximately 2 seconds to cause inspirations and then the antagonistic expiratory neurons fire for approximately 3 seconds to permit passive or stimulate active expirations; thereby inspiratory and expiratory neurons cooperate in a negative feedback control relationship, setting the basic rhythm of respiration (spontaneous ventilation, resting or tidal breathing (eupnea)); the dorsal respiratory group (DRG) neurons are involved in altering the pattern for ventilation in response to the physiological needs of the body for O2 and CO2 exchange and for blood acid-base balance; these neurons stimulate neurons in the ventral respiratory group (VRG) to achieve those effects; they are responsive to sensory information from chemoreceptors and mechanoreceptors.
Explanation:
Which organism receives the least amount of energy from the producer?
a
Owl
b
Grasshopper
c
Lilypad
d
Mouse
What is the main source of energy for the world
does atoms of the same elements have the same number of pruton
Answer:
all atoms of element have the same amount of protons
Explanation:
What is the difference between genetic and chromosomal mutations
Answer:
Gene mutation may alter the function of proteins in the body. Chromosomal mutations can be either an alteration of chromosome structure or chromosome number. ... The main difference between gene mutation and chromosomal mutation is the magnitude of alterations that occur in the genetic material by each type of mutation.