Answer:
heterotrophs animal=1
Explanation:
heterotrophs animal=1
4=aututrops plant
A biologist examines a series of cells and counts 160 cells in interphase, 20 cells in prophase, 6 cells in prometaphase, 2 cells in metaphase, 7 cells in anaphase, and 5 cells in telophase. The complete cell cycle requires 24 hours. Match the average duration to the appropriate cell cycle stage in these cells. M phase prophase metaphase telophase 4.8 hours 14.4 minutes 2.4 hours 36 minutes
Answer:
M phase: 4.8 hr
Prophase: 2.4 hr
Prometaphase: 0.72 hr
Metaphase: 0.24 hr
Anaphase: 0.84 hr
Telophase: 0.6 hr
Explanation:
Mitosis, also known as M phase, is the process of nuclear division after interphase, which is followed by cytoplasmic division via cytokinesis. Mitosis can be subdivided into the following phases: Prophase, Prometaphase, Metaphase, Anaphase, and Telophase. In this case, 160 cells are in interphase (for a total of 200 cells), thereby 40 cells are in mitosis >> 200 - 160 = 40 cells. Since the complete cell cycle requires 24 hours, it is possible to calculate the average duration of each phase:
M phase: 40/200 = 0.2 x 24 hr = 4.8 hr
Prophase: 20/200 = 0.1 x 24 hr = 2.4 hr
Prometaphase: 6/200 = 0.030 x 24 hr = 0.72 hr
Metaphase: 2/200 = 0.01 x 24 hr = 0.24 hr
Anaphase: 7/200 = 0.035 x 24 hr = 0.84 hr
Telophase: 5/200 = 0.025 x 24 hr = 0.6 hr
14. a science student claims that a substitution mutation is less likely to affect gene function than an insertion or deletion mutation. use logical reasoning and evaluate this claim.
Because insertions and deletions produce a frame-shift that modifies the interpretation of following codons, they are frequently more detrimental than substitutions that modify only one amino acid.
What is a mutation?A alteration in the DNA sequence of an organism is referred to as a mutation. Errors in the replication of DNA during the process of cell division, exposure to mutagens, or viral infections are all potential causes of mutations.
Base substitutions, deletions, and insertions are the three different kinds of DNA mutations that can occur.
Because an insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, as a result, alters the entire amino acid sequence that follows the mutation, insertions and deletions are typically more harmful than substitutions, in which only one amino acid is changed. This is because frame-shifts change the reading of subsequent codons.
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If right I’ll mark brainliest
Answer:
Its blocked for me cause im on a school website can you right it out plz
Explanation:
Manufacturers could reduce waste and conserve resources by making products that use less
are difficult to repair
use more materials
are more durable
are disposable
Answer:
are disposable.
Explanation:
Manufacturers could reduce waste and conserve resources by making products that are disposable.
This ultimately implies that, manufacturers of finished products that are being used by the consumers should endeavor to make them easily disposable without any adverse effect on the environment.
in what ways can overpopulation be beneficial to differential reproductive success?
Answer:
Differential reproduction is called the one that occurs as a result of the differences between the individuals that make up a society or sample, where it is those with comparative advantages who manage to reproduce, while those who do not have said advantages tend to die out. It is, in short, a practical application of Charles Darwin's theory of natural selection.
Thus, if there is an overpopulation of a certain species, a series of effects will occur (such as the scarcity of resources, the lack of living space, etc.) that will tend to gradually decrease the population to return to an ideal number of individuals. In this aspect, differential reproduction will be applied, being able to reproduce those that have comparative advantages over the rest, which will inevitably become extinct.
I. Tick he correct answer.
1. Linen is obtained from.
a. Jute plant b. cotton plant c. flax plant d. hemp plant
Answer:
c. Flax plant is the answer
Goats can either be polled or horned. The pulled, or no horn, trait (P) is dominant to the horned (p) trait. Another trait in goats are wattles, which are hair covered structures on their necks. Even though most goats do not have wattles, having wattles (W) is dominant to not having wattles (w). A breeder crosses a polled, wattled male goat with a polled, wattled female goat. Some of the offspring have horns and no wattles. Perform a cross of the parental genotypes to find the phenotypic ratios of the offspring.
Answer:
Pulled and wattled = 9/16
Pulled and no wattle = 3/16
horned and wattled = 3/16
horned and no wattle = 1/16
Explanation:
Pulled = P, Horned = p
Wattled = W, no wattle = w
Polled, wattle goats = P_W_
Since they produced offspring with horns and no wattles (ppww), it means both parents have the recessive allele for each trait. Hence, they are both heterozygotes with PpWw as genotypes.
PpWw x PpWw
Genotypes ratio of the offspring:
P_W_ - 9/16
P_ww - 3/16
ppW_ - 3/16
ppww - 1/16
Phenotype ratio of the offspring:
Pulled and wattled = 9/16
Pulled and no wattle = 3/16
horned and wattled = 3/16
horned and no wattle = 1/16
(See the attached image for the Punnet's square)
Some alleles of a gene are dominant to others masking the effect this other alleles.
The polled, or no horn, trait (P) is dominant to the horned (p) trait.
Having wattles (W) is dominant to not having wattles (w).
A breeder crosses a polled, wattled male goat with a polled, wattled female goat.
The phenotypic and genotypic ratios would be
Polled and wattled = P_W_ = 9/16Polled with no wattle = P_ww = 3/16horned and wattled = ppW_ = 3/16horned with no wattle = pwpw = 1/16Parent genotype --- polled, wattled male and female goat -- P_W_
As the cross produced offspring with horns and no wattles (ppww), it shows both parents have the recessive allele for each trait.
Hence, they are both heterozygotes with PpWw for the traits.
Parent genotypes: PpWw x PpWw
PW Pw pW pw PW Pw pW pw
PW Pw pW pw
PW PPWW PPWw PpWW PpWw
Pw PPWw PPww PpWw Ppww
pW PpWW PpWw ppWW ppWw
pw PpWw Ppww ppWw ppww
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Describe the immediate effect of the neurotoxin on the number of action potentials in a postsynaptic neuron. Predict whether the maximum membrane potential of the postsynaptic neuron will increase, decrease, or stay the same.
Answer:
Inhibit control over ions.
Explanation:
The immediate effect of the neurotoxin on the postsynaptic neuron is to inhibit control over ion concentrations across the cell membrane. The neurotoxin blocks nervous transmission at synapses which prevents the vesicles containing the neurotransmitter from fusing with the presynaptic membrane so the information does not transfer from one neuron to another and as a result the body is present at constant relaxation mode. The membrane potential of postsynaptic neuron will decrease due to neurotoxin.
which is biotic
wind
iron gate
sunlight
leaf
Answer:
leaf
Explanation:
leaves come from trees, which are living things
Answer:
D. Leaf
Explanation:
How do molecules within organisms become rearranged and used as energy sources?
Answer:
in a chemical reaction, no atom is destroyed nor created
PLEASE HELP!!!
• Humans have some...
A.) 7,000 cells
B.) I Million total cells
C.) 30-37 trillion cells
D.) 876 Quintillion cells
E.) we are not made of true cells
Answer:
C. 37.2 Trillion cells.
Explanation:
The bullfrog and the Northern cricket frog both reside in eastern pine forests and use many of the
same limited resources. The relationship between these two amphibians is a form of -
O A predation
O B. competition
o c. parasitism
D.
gommensalism
which of th following processes releases carbon dioxide as waste
Answer:
Cellular respiration
Explanation:
Cellular respiration releases carbon dioxide and water as waste products.
The following diagram represents the reaction of methane with oxygen gas to form carbon dioxide and water.
The chemical reaction shown above takes place in a closed system. What is true about the system while the reaction occurs?
Answer:
It stays the same
Explanation:
If you count each in both pictures, none are added nor removed.
Answer:
stays the same
Explanation:
What is the main function of Krebs cycle?
Answer:
the main function of Krebs cycle is that it plays a big role in the process of energy production and biosynthesis.
Which was the earliest method used to determine stellar distances? A. supernovae B. parallax C. cepheids variables D. redshift measurement
Answer:
Parallax
Explanation:
Trust me I've done this
Answer:
parallax
Explanation:
Plato/Edmentum
Which of the following is TRUE about alleles? Which of the following is TRUE about alleles? The phenotype of the individual will always indicate with certainty the alleles of the individual. An individual will only carry one version of an allele. Alleles come in two forms, the good form and the bad form. Individuals carry both forms of each allele. An allele is a variant form of a gene.
Answer:
An allele is a variant form of a gene.
The phenotype of the individual will always indicate with certainty the alleles of the individual
Explanation:
An allele is the alternate form of a gene example is allele A, allele a
While writing the genotype of an individual the allele is always seen, it usually written in pairs example is AA , Aa, aa, SS
The phenotype of an individual will reveal the allele such person have example is an individual with the sickle cell having allele s through the appearance of such individual one could know if such person posses the allele.
In which layer of the cutaneous membranes are nerve ending located?
A. Fascia.
B. Subcutaneous.
C. Dermis.
D. Epidermis
Answer:
the answer is the dermis
Explanation:
The cutaneous membranes are nerve ending located in the Dermis hope this helps and i'm sorry if it's wrong.
To help meet the world's demand for food, which biotechnological
process is most likely to be used by agricultural industries?
O use of transgenic crops
O crop diversification
O spraying of organic herbicide
crop rotation
Answer:
use of transgenic crops
Explanation:
Since transgenic crops are genetically modified, the pros are that: there is more crop yield, increased nutrients, etc.
The use of transgenic crops is most likely to be used by agricultural industries. Hence, option A is correct.
What are transgenic crops?Crops that have undergone genetic engineering techniques to alter their DNA are referred to as genetically modified crops. Plant genomes can be modified physically or by transferring sequences contained in T-DNA binary vectors using Agrobacterium.
The goal of introducing a gene combination into a plant is to increase its productivity and usefulness. This technique offers benefits like extended shelf life, increased yield, improved quality, pest resistance, heat, cold, and drought tolerance, as well as resistance to a range of biotic and abiotic challenges.
The use of transgenic crops is most likely to be used by agricultural industries. Hence, option A is correct.
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Which statement summarizes the relationship between DNA, proteins, and amino acids?
A. The DNA molecule is a protein formed by amino acids that are linked together by peptide bonds.
B. The type of protein that composes DNA codes for the twenty different amino acids.
C. The sequence of amino acids in DNA determines the type of protein formed during protein synthesis.
D. The sequence of nucleotides in DNA codes for specific amino acids which bond to form proteins.
Answer:b
Explanation:
The statement (B) is correct. The type of protein that composes DNA codes for the twenty different amino acids.
What are proteins?Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.
Moreover, proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs.
Therefore, a molecule made up of amino acids. Proteins are needed for the body to function properly. They are the basis of body structures, such as skin and hair, and of other substances such as enzymes, cytokines, and antibodies.
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what is a hypothesis
Answer:
a suggested sollution or a guess to an information given to you
In holly, serrated leaves are dominant to smooth-edged leaves, and red berries are dominant to green berries. Two holly plants heterozygous for both leaf edge shape and berry color are crossed together. Assuming that the two traits assort independently of one another, what proportion of the progeny will have serrated-edged leaves and green berries
CHGGYGYGYGUIYGUYGTUYGUYGUYG
PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!
Answer the HOT Question:
What do you think would happen to the skin if the dermis layer and the epidermis layer of the skin become separated?
To earn full credit
Restate the question
Define the epidermis
Define the dermis
Predict what you think will happen if they become separated*
What do you think would happen to the skin if the dermis layer and the epidermis layer of the skin become separated?
Answer
Explanation:
if the epidermis and the dermis say become separated you think will happen to your skin?
epidermis the surface AKA your skin.
dermis layer of tissues under your epidermis.
when the epidermis and the dermis are split and have a blister will come up in your skin.
which of these events is a likely result of chemical water pollution?
A. Sediment particles floating in water clog the gills of fish.
B. Fish die from lack of oxygen due to an algal bloom.
C. Rainbow trout disappear from a stream because of high water temperatures.
D. Algae are killed by solvents that have run off into a pond.
Fish die from lack of oxygen due to an algal bloom is a likely result of chemical water pollution. Therefore, option (B) is correct.
What is chemical water pollution?Chemical water pollution refers to the presence of harmful chemicals or substances in water bodies such as lakes, rivers, and oceans. These chemicals may come from various sources, including industrial processes, agriculture, and human activities. Common types of chemical pollutants in water include heavy metals, pesticides, oil spills, and toxic waste.
Chemical water pollution can have harmful effects on the environment and human health, including reduced water quality, contamination of aquatic life, and the spread of waterborne diseases. Preventative measures, such as proper waste disposal and treatment, are necessary to minimize chemical water pollution and protect water resources.
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When 1 mole of PCl3 is produced, how many grams of Cl2 are produced ? Enter as a number correct to 2 decimal places
Answer:
[tex]212.70[/tex] grams
Explanation:
Weight of one mole of Cl2 in grams = [tex]70.9[/tex]
Weight of one mole of PCl3 in grams = [tex]137.33[/tex]
Weight of one mole of chlorine atom in grams = [tex]35. 453[/tex]
From one molecule of PCl3, three molecule of chlorine gas can be produced.
Weight of three molecule of chlorine gas
[tex]= 3 * 70.9 \\= 212.70[/tex]grams
Which organelle/part of the cell would say this if it could speak? Sometimes I feel bloated with all the water I store.
1)nucleus
2)cell membrane
3)mitochondria
4)cytoplasm
5)vacuole
What are the four levels of organization in living things? a. cell, multicellular, organ, organ system b. single cell, multicellular, tissue, organ c. larger size, longer life, specialized cells, organs d. cell, tissue, organ, organ system
In the 1980s, Stephen Jay Gould identified two types of extinctions that each had different evolutionary consequences. What are these extinctions called?
Answer:
Mass extinctions and background extinctions
Explanation:
Tesla Il Dut your total time may nit exceed
Question 2
3
Potential Energy (J)Kinetic Energy (J)Velocity (m/s)
100
0
0
80
20
4.5
60
40
6.3
40
60
7.7
20
80
8.9
0
100
10
The relationship between Potential Energy and Kinetic Energy can be described as which of the following?
Answer
linear
5
B
inverse
С
parabolic
D
rational
Answer:
dcgfbhnjbhvgcfxfcgvm
Explanation:
In science, theories____?
Answer:
have limited explanatory power
