Answer:
Soil pH can be managed by practices such as applying the proper amount of nitrogen fertilizer, liming, and using cropping systems that increase soil organic matter content and improve overall soil health. Inherent factors that affect soil pH include climate, mineral content, and soil texture
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while looking at a graph, you notice a period of time where the line is perfectly horizontal what is most likely taking place during this time period
Answer:
The correct answer would be - the y-axis variable is constant.
Explanation:
In a normal line graph, there are generally two variables on two different axis one is at the x-axis and the other is on the y-axis that represents the correlation between these two variables. If there is a change in the variable present on the x-axis the change on the variable on the y-axis establishes the relationship among these variables.
If there is a period on the graph where the line is completely horizontal it means the variable present on Y-axis has no change during this period or is constant. Suppose a graph is plotted between speed or velocity on the Y-axis. A perfectly horizontal line on this graph means that speed is not changing over time and remain at te same speed.
3 Sea turtles lay around 100 eggs because only a few will hatch and survive to adulthood. Which of Darwin's 4
principles of natural selection is this an example of?
Inheritance
Adaptation
Differential survival and reproduction
Variation
Answer:
Differential Survival and Reproduction.
Explanation:
Differential survival is when organisms of the same species must compete for what they want. Only some organisms survive to adulthood. Differential survival is important in evolution because the best-fitted animals get to reproduce and pass down their adaptations to the next generation.
Darwinism, Charles Darwin's theory of the evolution proposed as an explanation for organic change. It refers to Darwin's specific belief that evolution is primarily driven by natural selection. As here, 3 sea turtles lay around 100 eggs can comes under the principle of differential survival and reproduction, i.e., option C.
What is Darwin's principles?Darwin developed a concept that evolution is specifically caused by the interaction of three principles.
Those principles are:
Variation: a changing factor present in all forms of life that Darwin did not attempt to explain.Heredity: the conservative force that passes on similar organic forms from generation to generation.Struggle for existence: which determines which variations will confer advantages in a given environment, thereby changing species through a selective reproductive rate.As in the given scenario, 3 Sea turtles laying around 100 eggs because only a few will hatch and survive to adulthood represents the principle of differential survival and reproduction.
Thus, the correct option is C.
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A 5th-grade class observed these organisms in a grassy field. The students listed theirm
observations of what the organisms eat in the table below.
Organism
Foods Eaten
grass
grass, grasshoppers
grasshoppers
grasshoppers, mice, frogs
grasshoppers, mice, frogs, snakes
Which food chain correctly depicts the information from the table?
A.
B
Mic - 80
C
D.
HELP
The messenger RNA sequence that is most likely to produce a nonfunctional protein is
A)
UCA-CUC-UUA-UUU-GUU-CGA-UAU-UAA
B)
UGA-UAU-CGA-GGA-GUU-GCG-CUC-UAG
C)
UAC-UAU-CGA-GGA-GUU-GCG-CUC-AUG
D)
AUG-UAU-CGA-GGA-GUU-GCG-CUC-UGA
Answer:
the answer is d
Explanation:
The messenger RNA sequence that is most likely to produce a nonfunctional protein is:
D) AUG-UAU-CGA-GGA-GUU-GCG-CUC-UGA
What is messenger RNA?
Messenger RNA (abbreviated mRNA) is a type of single-stranded RNA involved in protein synthesis.
What is codon GCA code?
The three consecutive DNA bases, called nucleotide triplets or codons, are translated into amino acids (GCA to alanine, AGA to arginine, GAT to aspartic acid, AAT to asparagine, and TGT to cysteine in this example).
What are the 3 stopping codons?
A stop codon is a sequence of three nucleotides (a trinucleotide) in DNA or messenger RNA (mRNA) that signals a halt to protein synthesis in the cell. There are 64 different trinucleotide codons: 61 specify amino acids and 3 are stop codons (i.e., UAA, UAG and UGA).
Hence ,D is correct option
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You have identified a new, recessively inherited trait in dogs: floppy ears. To determine if the gene for Floppy Ears is X-linked or not, you should:
Answer:
Cross a non-floppy-eared male to a floppy-eared female and observe if males offspring have the floppy ear trait
Explanation:
Mammals (e.g. dogs) have two sex chromosomes: X and Y. In the XY sex-determination system, the female gamete (i.e., the ovum) contributes to an X chromosome, while the male gamete (i.e., the sperm) contributes either an X chromosome or a Y chromosome: normal females are XX and normal males are XY. In consequence, a male always inherits its X chromosome from the mother and its Y chromosome from the father. In this case, the presence of the floppy ear trait in all males F1 offspring obtained by crossing a non-floppy-eared male to a floppy-eared female indicates that this trait is linked to the X chromosome because males inherit the floppy ear trait from the mother.
Patches of fibrocartilage formed in the healing of a fracture are called __________, whereas the bony collar formed around the fracture is called __________.
Answer:
Patches of fibrocartilage formed in the healing of a fracture are called soft callus, whereas the bony collar formed around the fracture is called hard callus.
Explanation:
In the fibrocartilage or soft bone callus phase, the necrotic bone is removed by osteoclastia and dead soft tissues are being removed by macrophages. The fibroblasts are activated and a granulation tissue is generated that supposes the appearance of new vessels and, with them, the arrival of more connective tissue cells. A tissue called fibrous callus or fibrocartilage begins to form, composed of a poorly structured amalgam of fibrous tissue, cartilage, and amorphous bone.In hard callus, bone and later cartilage are deposited in the growing historical mass. The two collars of callus, fixed to the bone at some distance from the fracture, they grow upwards and towards each other, forming an arc on focus.
What are the parts of an operon?
Answer:
An operon consists of an operator, promoter, regulator, and structural genes. The regulator gene codes for a repressor protein that binds to the operator, obstructing the promoter of the structural genes. The regulator does not have to be adjacent to other genes in the operon.
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Answer:
An operon consists of an operator, promoter, regulator, and structural genes.
Explanation:
Promoter – a nucleotide sequence that enables a gene to be transcribed. The promoter is recognized by RNA polymerase, which then initiates transcription. Operator – a segment of DNA to which a repressor binds.
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Strong contrasts in texture have what effect on a monochromatic design?
Answer:
It prevents monotony
Explanation:
Strong contrasts in texture have a primary effect on monochromatic design by ensuring it’s more eye catching and not too plain.
Contrasts is a term used to describe the display of an objects dissimilar sides. A monochromatic light is known to have just one color and the strong contrasting texture however makes it possible for it to have different color differences thereby preventing monotony.
Read this passage about CFTR mutations. Then, using your knowledge of cells, select the section that describes mutations that occur at the ribosome.
The CFTR gene was first discovered in 1989, but as with many research endeavors, that was only the first step. Since that first discovery, scientists have identified 1,700 mutations of the CFTR gene. These various mutations are classified according to their specific effect on the CFTR protein. Some mutations interfere with the protein assembly process. These are called protein production mutations and result in construction of incomplete or unstable proteins. Once built, the CFTR protein folds itself into a stable three-dimensional tube shape and travels to the cell membrane where it inserts itself as a channel between the cell’s interior and its surface. Mutations that affect this part of the process are called protein processing mutations. Each channel has a gate that opens and closes in response to chemical signals. Gating mutations cause misinterpretation of those chemical signals. Conduction mutations change the inside of the tunnel, making passage through the channel slower and more difficult.
key functions of business organizations brief explanation of each....
Answer:What are the key functions of a business?
Five Functions of business Organization
Organizing Function: One of the main functions of a business is organizing function. Man, machine, materials, and money are essential factors for any business. ...
2 . Financing Function: ...
3 . Production Function: ...
5 . Employment Function:
Explanation:
suggest why a glass tank with water was placed
Answer:
The two layers of glass provides protection from the heat of the lamp, and the water level moves down rapidly as the gas is collected.
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Can someone help me on this .
Answer:
7) a. Absorbed: black surfaces absorb light, like in a playground.
b. Transmitted: when light falls on transparent objects, it is transmitted, goes straight through the object, like the clear glass of a window
c. Reflected: when light falls on a smooth, shiny object, it bounces off in one particular direction, like looking at the smooth surface of a lake
Unlike many plants, the stomata of the water lilies are found on the upper surface of the leaves. Suggest a possible reason for this adaptation.
Answer:
All plants need stomata on the surfaces of their leaves for photosynthesis. ... The stomata of water lilies are on the upper surface of their leaves, maximizing air exposure. Stomata on the underside of the leaves would be wasteful because water contact interferes with the exchange of carbon dioxide and oxygen.
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Answer:
Because the upper surface of the water lillies are not immersed in water.
Explanation:
Since the stomata is an opening for water to be excreted, the water lillies (which are usually found in water) need a surface which is not in contact with water so as the release the water as a metabolic waste. And since the lower surface of the water lilly's surface is immersed in water, there will be no point to excrete the water.
3.1
Suggest which leaf carries out more photosynthesis and explain why.
Explanation:
Leaf that are really green, because they contain Lots of chlorophyll in the chloroplast which is the main site for photosynthesis
True or False? Rainwater from storms can cause erosion as soil is washed away from hillsides.
most likley true?
im not sure but imma go with true
19. Which of the following sequences is correct to initiate
inspiration?
(i) The contraction of external intercostal muscles raises the ribs and sternum
(ii) Volume of thorax increases in the dorso-ventral axis
(iii) Intrapulmonary pressure decreases
(iv) Diaphragm contraction
(v) Air rushes into lungs
(vi) Volume of thorax increases in the anterior-posterior axis
Choose options :-
(a) (i), (ii), (iv), (v), (iii), (vi)
(b) (i), (ii), (iii), (iv), (vi), (v)
(c) (i), (ii), (iv), (vi), (ii), (v)
(d) (vi), (v), (i), (ii), (iii), (iv)
Answer:
Hello There!!
Explanation:
I believe the answer is (c) (i), (ii), (iv), (vi), (ii), (v).
hope this helps,have a great day!!
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When a cell gains water, what happens to its size and weight
Answer: Water will move across the semi-permeable membrane in order to balance both sides until they are neutral.
"Osmosis is the net movement of water across a selectively permeable membrane driven by a difference in solute concentrations on the two sides of the membrane. A selectively permeable membrane is one that allows unrestricted passage of water, but not solute molecules or ions."
Or
When a cell gains water it becomes much bigger and heavier which could possibly lead to its explosion.
"Water moving into a cell can make the cell swell, or even burst! This happens when cells are placed into a hypotonic solution. Like the egg in distilled (pure) water. Water leaving a cell can make it shrivel up"
Answer:
When a cell gains water, the size will expand, making the cell bigger, and the weight will increase, depending on the type of cell as well as the amount of water.
Which if the following is not a unit for work ?
A. Foot pounds
B. Joules
C. Miles per hour
D. Newton’s meters
Answer:
C
Explanation:
Work is equal to forces times distance
What are the 3 major parts of the nervous system?
A. Brain, Spinal Cord, & Nerves
B. Heart, Lungs, & Brain
C. Lungs, Nerves, Spine
(I’ll give points + brainalist for the correct answer)
Answer:
A
Explanation:
A has all the major parts that make up the nervous system lol
Answer:
A
Explanation:
B and C are incorrect because the lungs are not a part of the nervous system
How can you tell from a food web which organisms will have the greatest biomass?
Answer:
How can you tell from a food web which organisms will have the greatest biomass?
The tropic level contains the greatest biomass in most ecosystems is producers. This occurs because producers get their energy from the sun, the sun is the most available resource, so there are the most at that level.
Explanation:
I hope that this answer has helped you to more thoroughly understand your question asked. If you have any further questions, please do not hesitate to ask them below.
Have a great rest of your day/night!
A. Somalia B. Kenya C. Spain D. Nigeria
Answer:
Somalia
Explanation:
Which of the following is not a characteristic of an industrial society?
a. Moves from place to place following resources
b. Uses new sources of energy
Increases pollution
d. Uses complex tools and systems
С.
Please select the best answer from the choices provided
Ο Α
C
D
Answer:
A
Explanation:
Bony Fish (bass etc.) and marine mammals (like dolphins) evolved some similar adaptations for survival in aquatic environments. However, they evolved separately and are not closely related evolutionarily. What type of evolution does this represent?
Answer:
Convergent evolution
Explanation:
Convergent evolution is a type of evolution of similar features and/or structures between organisms that are not phylogenetically related. This type of evolution is known to create analogous structures/organs that exhibit similar or the same functions but were not present in the last common ancestor of these taxa. An example of analogous structures (and therefore also of convergent evolution) are the wings of bats and of insects (e.g., butterflies). Conversely, divergent evolution is a type of evolution where species phylogenetically related, i.e., species that share a common ancestor, evolve and accumulate differences over time.
What genetic and other changes might have caused these cells to escape normal cell cycle regulation these cells are hela cancer cells
Answer:
Cancer cells such as Hela cells escape to normal cell cycle by mutations that lead to the misexpression and/or overexpression of regulatory molecules (e.g., cyclins and cyclin-dependent kinases) and faulty checkpoint control of the cell cycle
Explanation:
The term cell cycle refers to the mechanism of DNA replication and cell division, which involves a series of sequential steps. The control of the cell cycle depends on 1-cyclins and cyclin-dependent kinases (CDKs) that regulate the cell cycle by a cascade of protein phosphorylations and 2- a group of checkpoint controls that monitor the completion of critical cellular events. HeLa is an immortalized cell line derived from cervical cancer cells. These cells (HeLa) contain 76 to 80 total chromosomes (instead of the 46 chromosomes that contain normal-diploid body cells), some of which are heavily mutated. These mutations can affect CDKs that control the cell cycle as well as checkpoint-control mechanisms (for example, those resulting from DNA damage), thereby cells do not enter programmed cell death (apoptosis) and proliferate uncontrollably.
A scientist wanted to investigate whether light is required for the germination
of seeds. She filled two plant pots of the same size with equal amounts of
soil.
Pot 1 was labelled 'LIGHT and Pot 2 'DARK'. Five lettuce seeds were planted
in each of the pots. Both plants were given sufficient water.
Pot 1 was put in direct sunlight. A cardboard box was placed over Pot 2
and no light was allowed to enter.
21.1
Write down a hypothesis for the investigation.
Pleas
it reserved
Answer:
The correct hypothesis would be -
"if the light is required for seed germination of seed, then in the absence of light lettuce seed will not germinate"
Explanation:
The hypothesis is always based on a question one wanted to answer. The hypothesis is the possible explanation of a world natural problem. One needs to make his hypothesis on the basis of the research he made.
To test the hypothesis one needs to develop an experiment like here formed an experiment to test if the light is required for the germination of seeds. Thus, hypothesis would be "if the light is required for seed germination of seed, then in the absence of light lettuce seed will not germinate"
Why does glucose more soluble in water comparing to benzoic acid?
Thanks :)
Answer:
because it dissolves in water very well
Explanation:
QUICK CHECK
Number of attempts allowed: 1
To show your understanding of the text, answer the questions below. First, read the text about this day in New York City. "Think about that text
answering the following question:
Which of these statements does not show a cause-and-effect relationship?
There is bad weather outside, so kids are staying inside
O Parents sigh because their kids cannot play outside
O Basketball players stay in the school yard and argue,
Parents keep their kids inside, and, as a result, the kids complain.
Mitosis is the process through which a cell replicates its DNA and produces two identical daughter cells. If a cell undergoing mitosis is currently in anaphase as shown in the diagram below,
The duplicated genetic information found in a parent cell's nucleus is divided into two identical daughter cells during the fourth stage of mitosis, referred to as anaphase. Thus, option B is correct.
What mitosis process through which cell replicates its DNA?The sister chromatids are able to separate because the protein “glue” holding them together is degraded. Each chromosome now exists on its own. The opposing ends of the cell are drawn to the chromosomal pairs in each pair.
The replication fork is connected to a number of proteins that aid in the The way DNA polymerase creates new strands is mostly by include nucleotides that complete each (template) strand. The S-stage of interphase is when DNA replication happens.
Therefore, Sister chromatids split from one another and are drawn to the opposite ends of the cell during anaphase.
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The human it’s only made up of a few kind of cells. TRUE OR FALSE.
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The waters that wash up on an ocean sea shore increase in temperature by almost 20° C over a period of 5000 years which describes a possible adaptive change in the invertebrates that live in tide pools there?
A). Some animals will adapt by migrating over land to colder areas
B). Those animals with adaptations that favor warmer water will mate and reproduce in greater numbers
C). Those animals that have adaptations that favor cold water will mate and reproduce in greater numbers
D). Old adaptations will spring up again from genetic reserves
Answer: I remember this when I was in grade 5 the answer is A
now I'm in college