Answer:
The answer is
Explanation:
Human brain is considered as the centre of all senses as it can control what we can do. Without our brains, we can't walk, hold things or even move a pencil. A brain has different parts which perform different functions in the body. Brain is considered to be the centre of all senses because of these following reasons.
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The human mind is the command center for the human anxious device. It receives signals from the body's sensory organs and outputs records to the muscle tissues.
wherein are senses located in the brain?Parietal lobe
It figures out the messages you get hold of from the 5 senses of sight, touch, odor, hearing, and taste. This part of the mind tells you what's a part of the frame and what is a part of the outside international.
Why is your mind vital?The brain is arguably the most important organ in the human frame. It controls and coordinates moves and reactions, allows us to suppose and feel, and allows us to have reminiscences and feelings—all the matters that make us human.
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Beyond changes in relationships described above, explain what other characteristics of man changed after the Fall.
Answer:
The consequences of the fall was man and woman will die man turned to mortal and will turn back into dust. woman would bring children in pain. relationships between husband and wife would be difficult. The ground was cursed labor would be very hard. human was banned from the paradise and the garden. no longer would they enjoy the holiness and justice they had in paradise.
Explanation:
2. From the knowledge of nutrition:-
a) What five conditions are necessary for photosynthesis to occur
Answer:
Carbon dioxide
sunlight
oxygen
chlorophyll
water
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The plateau phase of population growth is best described as: A. The population stops growing because they moved into the plateau environment at this stage. B. The population pauses in its growth after a natural disaster before growing again. C. The population moves onto a large, raised, flat area called a plateau for protection from predator. D. The population stops growing because the environment has reached its carrying capacity.
Answer:
C. The population moves onto a large, raised, flat area called a plateau for protection from predator.
Explanation:
The plateau phase of population growth indicates that the population has stopped growing as the environment has reached its carrying capacity.
What is the plateau phase in population growth?The population after going through different phases eventually reaches the plateau phase where the growth of the population stops or become constant. This is the outcome of the natality rate becoming equivalent to the mortality rate.
This occurs as the resources in the environment become less or scarce as well as there is an elevation in predators and parasites. These are considered as limiting factors to the growth of population. This makes the population number relatively stable. With the limitation in the resources it can be said that the environment has attained its carrying capacity.
Thus, the correct statement is option D.
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what in your home would be considered something you could study in biology?
Answer:
Food and plants!
Un compañero de tu salón presenta una condición especial llamada gigantismo, ya que su estatura es mucho mayor que la de los demás compañeros de la misma edad, el médico descarta que sea un problema hereditario. Podemos suponer que este estudiante tiene insuficiencia de la hormona ____________________que la secreta la glándula _____________y se encuentra en la ___________. Esta hormona no ingresa a las células en su mecanismo de acción por ser __________________.
Answer:
Podemos suponer que este estudiante tiene insuficiencia de la hormona de crecimiento (somatotropina) que la secreta la glándula hipófisis y se encuentra en la base del cerebro. Esta hormona no ingresa a las células en su mecanismo de acción por ser peptídica o no esteroidea.
Explanation:
En este caso presentado se encuentra una situación diferente a lo que sucede en el gigantismo: hay un problema hormonal en donde la hormona de crecimiento es secretada de manera excesiva. Recibe el nombre de acromegalia cuando sucede después del cierre de la epífisis del hueso, luego de la edad de crecimiento.
A scientist is conducting research about all the plants and wildlife in the Mojave Desert as well as the desert’s resources, such as water and soil. The scientist is studying
a community.
a population.
a species.
an ecosystem.
Answer:
the scientist is studying an ecosystem
Answer:
D
Explanation:
why do we study plants?
What is the purpose of the Synthesis (S) phase of the cell cycle?
A. Create a copy of the cell
B. Synthesize extra organelles
C. Duplication of RNA
D. Duplication of DNA
The purpose of the Synthesis (S) phase of the cell cycle is the duplication of DNA. The correct option is D.
What is the cell cycle?A cell cycle is a process of dividing a cell into two cells. It is a four-stage process that includes increasing the cell, diving the DNA, and the ready for cell dividing and then dividing into two cells.
The S phase is the synthetic phase. The phase includes duplication of DNA and dividing of DNA. During cell division or DNA replication, this process occurs.
So, all other statements are false, in the S phase, the DNA duplicates in the nucleus and the cell will ready to duplicate for cell division and mitosis. It is one of the processes of cell division or DNA replication.
Thus, the correct option is D. Duplication of DNA.
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difference between photosynthesis and respiration
Answer:
Phototsynthesis takes water, sunlight, and CO2 and turns it into O2. Cellular Respiration take nutirents and O2 to create ATP.
57 POINTSIn your own words, describe the connection between the heat from earth’s core and the movement of tectonic plates.
Answer:
(In explanation)
Explanation:
The heat from the earth's core causes convection currents in the air under the earth's crust, causing the tectonic plates to shift/ move.
One reason cancer cells are easier to culture than normal cells extracted from an organism is that ________. Group of answer choices cancer cells grow in a more regulated fashion. cancer cells do not need to adhere to a substratum to grow. nutrient requirements for cancer cells are precisely defined. cancer cells are better models for demonstrating what happens in an intact organism.
Let's list the given options alphabetically to choose the appropriate answer.
One reason cancer cells are easier to culture than normal cells extracted from an organism is that ________. Group of answer choices
A. cancer cells grow in a more regulated fashion.
B. cancer cells do not need to adhere to a substratum to grow.
C. nutrient requirements for cancer cells are precisely defined.
D. cancer cells are better models for demonstrating what happens in an intact organism
Answer:
B.
Explanation:
Cancer cells are easier to culture in comparison to normal cells because cancer cells do not need to adhere to a substratum to grow.
As cancer cells are uncontrolled growth of cells and they do not require any substratum to grow and can easily grow to a culture while a normal cell require optimal conditions to grow in a culture.
Hence, the correct option is "B".
what is the function of cilia in respiratory system.
Answer: Movement.
Explanation: Cilia work the same way as flagella. They enable the cells to move because of their shape (tiny little hairs).
Answer:
'Motile' (or moving) cilia are found in the lungs, respiratory tract and middle ear. These cilia have a rhythmic waving or beating motion. They work, for instance, to keep the airways clear of mucus and dirt, allowing us to breathe easily and without irritation. They also help propel sperm.
Explanation:
The hypothalamic hormone that triggers the secretion of FSH and LH from the anterior pituitary is
Answer:
Hypothalamic-Pituitary-Gonadal Axis
GnRH produced by the hypothalamus stimulates the production of both LH and FSH. FSH functions by stimulating ovarian follicular development in females and regulating spermatogenesis in males. LH induces ovulation and corpus luteum formation in the ovaries.
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Lisa is working on a science project. Her task is to
answer the question: "Does fluoride (which is a
commercial hair product) prevent cavities?". Her
family is willing to volunteer for the experiment.
11. Describe how Lisa would perform this experiment. Identify the control group, and the independent variables in your description
Answer:
The fluoride is what helps you avoid cavities
Explanation:
water fluoridation as safe and effective in preventing tooth decay for both children and adults
Explain the statement-“viruses are the link between living and non-living”.
Answer:
this is because they appear dead outside and alive inside beings
What is the correct order of organization in animals?
A. Organ, organ system, cell, tissue, organism
B. Cell, tissue, organism, organ, organ system
C. Tissue, cell, organ, organ system, organism
D. Cell, tissue, organ, organ system, organism
The correct order of organization in animals is Cell, tissue, organ, organ system, organism—that is what is written in the option D. The cell is the first to form, followed by tissue, and finally organs and organ systems.
What is the organization of an animal?At the early stage, unicellular individuals were seen, and later, due to development, multicellular individuals were developed. The unicellular organism has only cells, then those cells unite to make a tissue, and in a tissue all the cells have the same function. An example is epithelial tissue, which is made up of many epithelial cells.
Tissues combine to form an organ, and organs combine to form an organ system. An example is an organ such as the liver that is made up of many tissues, but all tissues perform certain functions that are required for the liver, and in the same way, the organ system and the organism are developed.
Hence, the correct order of organization in animals is cell, tissue, organ, organ system, organism—that is what is written in the option D.
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why it is necessary to water the plant for experiment
Answer:
To activate the process of germination.
Explanation:
The first seismic waves to reach seismograph stations move in a push-and-pull motion. They are called
Love waves
secondary waves
primary waves
surface waves
Answer:
primary waves
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Answer:
hi, your answer is... primary waves.After getting the slide and microscope ready, Stella is eager to see the microscopic pond water specimen! She crouches around her microscope and aligns her eye with the microscope’s eyepiece. But she's only able to see a bright white light..
Answer: there are no specimens on the slide
Eye color is an example of 1. Transcriptional control 2. gene expression 3. translational control 4. gene regulation
Eye color is an example of Gene expression
Which statement explains how a DNA mutation causes sickle-cell anemia?(1 point)
Answer:
DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape
Explanation:
Sickle cell mutation is a mutation that affect the production of red blood cell that is needed for the transport of oxygen in the bloods stream.
sickle cell mutation is a result of change in the amino acid which are building blocks of the protein hemoglobin.
The protein is what gives red cells their color, it has two subunits. The alpha
and beta subunit. There is a change in the arrangements of amino acid sequence and that is the basis for the sickle cell shape, beta subunit has valine an amino acid at position 6 instead of the glutamic acid. This alteration results in sickle cell problems that occur in people.
Answer:
Explanation:
From the options:
The DNA mutation increases the number of amino acids in hemoglobin, which causes a change in the shape of red blood cells.
The DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape of red blood cells.
The DNA mutation decreases the number of amino acids in hemoglobin, which causes a change in the shape of red blood cells.
O The DNA mutation prevents formation of hemoglobin, the absence of wirich causes a change in the shape of red blood cells.
The correct answer would be that "The DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape of red blood cells. "
The sickle-cell anemia is caused by a change in the amino acid sequence of the hemoglobin - specifically, as a result of the substitution of the sixth amino acid, glutamic acid, by valine in the beta subunit of the proteins that make up the hemoglobin. A single base substitution causes glutamic acid to be changed to valine.
The normal hemoglobin is disc-shaped and is able to effectively carry oxygen in the blood, unlike the sickle-cell hemoglobin which has the sickle shape and is not able to effectively carry oxygen in the blood.
Which of the following is an example of homoplasy? Which of the following is an example of homoplasy? hair in humans and fur in bear streamlined bodies in dolphins and ichthyosaurs Hox genes in humans and sea stars astragalus ankle bones in camel and pig
Answer:
streamlined bodies in dolphins and ichthyosaurs
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Consider the following chromosomes and if they are affected by hemophilia.
X = unaffected X chromosome, x = X chromosome affected by hemophilia, and Y = Y chromosome.
If an Xx female and XY male have children, what fraction of their offspring will have an affected chromosome, and what fraction is likely to be affected by hemophilia?
(1 point)
A. 1/4 and 1/2
B. 1/2 and 1/4
C. 1/2 and 1/3
D. 1/4 and 1/4
I've been stuck on this question for a while, may someone please assist?
Answer:
B. 1/2 and 1/4
Explanation:
Hemophilia is a rare disease that has to do with the inability for blood to clot. It is inherited on the X chromosome, hence, it is said to be X-linked. It is usually passed from mother to son. According to this question;
X - unaffected X chromosome
x = X chromosome affected by hemophilia
Y = Y chromosome
Therefore, in a cross between a Xx female (carrier) and a XY male (unaffected), the following chromosomes will be present in the gametes produced by each parent:
Xx- X and x gametes
XY- X and Y gametes
Using these gametes in a punnet square (see attached image), offsprings with genotypes: XX, Xx, XY and xY will be possibly produced.
XX (1) - unaffected female
Xx (1) - unaffected but carrier female
XY (1) - unaffected male
xY (1) - affected male (have hemophilia)
Based on the questions;
- 2 out of the possible 4 children will have the affected chromosomes i.e. both xY son and Xx daughter have the affected (x) chromosome. Hence, the fraction is 1/2
- 1 out of the 4 possible children is affected by hemophilia, which is the xY son. Hence, the fraction is 1/4.
Two groups of tomatoes were grown in the laboratory, one with humus added to the soil and the other a control without humus. The leaves of the plants grown without humus were yellowish (less green) compared with those of the plants grown in humus-enriched soil. The best explanation for this difference is that __________.
Answer:
The best explanation for this difference is that the humus contained micronutrients needed by the plants for the synthesis of chlorophyll, such as Manganese (Mn), Iron (Fe) and Copper (Cu).
Explanation:
Chlorosis is the yellowing of plant leaves, and this is due to the deficiency in the amount of chlorophyll contained in the plant leaves. Iron (Fe) is an essential micronutrient for the synthesis of chlorophyll, which is an enzyme-catalyzed reaction. Copper (Cu) is a component of most enzymes, while Manganese (Mn) is a cofactor, required for the activation of the enzymes that catalyze chlorophyll synthesis, hence deficiency of these nutrients will result in the development of chlorosis.
How many significant figures in 20.8cm?
Answer:
[tex]\Huge \boxed{3}[/tex]
Explanation:
Significant figures include non-zero digits and in between zeros.
2 0 . 8
20.8 has 3 significant figures.
Answer:
[tex]\huge\boxed{3 \ significant \ figures}[/tex]
Explanation:
There are 3 significant figures in
2 0 . 8
According to the rules of significant figures:
=> All non-zero digits are significant.
=> Zeroes that come between 2 non-zero digits are also significant.
So, 3 significant figures in the term 20.8 cm.
Pasteur's experiments proved that ________. Pasteur's experiments proved that ________. spontaneous generation can only occur if nutrient broth is left open to the environment cells cannot survive in swan-necked flasks preexisting cells present in the air can grow in sterilized nutrient broth sterilizing nutrient broth prevents spontaneous generation in order to grow, cells need to be supplied with oxygen
Answer:
preexisting cells present in the air can grow in sterilized nutrient broth
Explanation:
Spontaneous generation, which is the theory that life can arise from nonliving matter, has long been believed to be the way living organisms develop. However, in 1858, a French scientist called Louis Pasteur disproved the theory of spontaneous generation.
Louis Pasteur conducted an experiment to show that it is the existing microorganisms in air that causes life to grow and not the air itself. Pasteur made use of a swan-necked flask, which contained a sterilized (by boiling) broth. The swan-necked flask was designed in such a way that it would allow air to enter but trap any airborne microorganism, preventing them from reaching the broth.
Hence, if it were truly air and not existing life organisms that caused life growth, organisms should begin to grow from the broth. He conducted another experiment where be broke the neck of the flask to allow the entry of microorganisms into the sterilized broth and found out that growth of microorganisms occured on the broth.
Therefore, Pasteur, via his experiment was able to prove that preexisting cells present in the air can grow in sterilized nutrient broth if allowed entry but when there is no entry, there would be no life growth. This experiment disproved the theory of spontaneous generation.
How does Photosynthesis relate to Cellular (aerobic) Respiration?
A. Photosynthesis breaks down glucose, Respiration builds it.
B. They are equal but opposite reactions.
C. Photosynthesis is for plants, while Respiration is for animals.
D. They are not related.
Answer: photosynthesis breaks down glucose. Hope you understand
Explanation:
Photosynthesis is related to Cellular (aerobic) Respiration in that they are equal but opposite reactions and the correct option is option B.
Photosynthesis and cellular respiration are complementary processes that are crucial for the energy flow in ecosystems. In photosynthesis, plants and some bacteria use sunlight to convert carbon dioxide and water into glucose and oxygen. This process stores energy in the form of glucose.
In cellular respiration, organisms, including plants and animals, break down glucose and other organic molecules in the presence of oxygen to release energy for cellular activities. This process consumes glucose and oxygen and produces carbon dioxide and water as byproducts.
Photosynthesis and cellular respiration are interconnected through the exchange of products and reactants. The oxygen produced in photosynthesis is used in cellular respiration, while the carbon dioxide produced in cellular respiration is used in photosynthesis. As a result, they form a continuous cycle that maintains the balance of oxygen and carbon dioxide in the atmosphere and provides energy for living organisms.
Thus, the ideal selection is option B.
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Illustrate the significance of membranes with the example of viruses
Answer:
Cell membrane encloses all the cell organelles. In prokaryotes, membrane is absent and so membrane-bound cell organelles are also absent.
Significance of membrane can be explained with the help of viruses, as viruses lack cell membranes and that is why they require a host for living and uses the host's cell machinery to multiply.
Hence, cell membranes are important for living organisms to live and perform essential biological processes.
Which of the following is not an example of energy transformations in an ecosystem?
a. sunlight driving photosynthesis in plants
b. herbivores feeding on plants
C. predators feeding on herbivores
d. none of the above
Answer:
d. none of the above
Explanation:
Energy, which refers to the ability to do work, can exist in different forms. The process of changing energy from one form to another is called TRANSFORMATION OF ENERGY. In an ecosystem, all organisms require energy in order to perform their life processes. They acquire these energy in different forms and convert it to a usable form by their cells (chemical energy) in ATP.
For example, solar energy in Sunlight is used by plants to drive their photosynthetic process and change it to chemical energy in glucose. Also, predators and herbivores feeding on herbivores and plants respectively converts one form of energy to another. Hence, all options are examples of energy transformation. None of the above is the correct answer.
Answer:
I think the correct answer is d ,
because all of them are an example of energy transforming in an ecosystem.
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:)Studies of topsoil erosion on Iowa farmland shows that as much as 50 metric tons are lost per hectare during winter and spring rains. This loss is due to the loss of millimeters of soil from across the entire surface of the fields. Which type of erosion would this be?
Answer:
The type of erosion described in the question is called Water Erosion.
Explanation:
Note that the erosion is caused by winter and spring rains.
Water Erosion can happen when raindrops disintegrate the aggregates of the topsoil. The fragments collect into the soil pores and create a coagulating action which makes it difficult for the water to penetrate the soil. The rainwater having increasingly accumulated on the surface flows off along with the topsoil.
This type of erosion can be further aggravated if:
the rainfall is very heavy;the terrain has a steep gradient thus increasing the velocity of runoffthe soil type has a lower capacity to erosionCheers!
