Answer:
the correct answer is option ( D )
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Answer:
the answer is information
Nombra los principios de la teoria celular
Answer:
El concepto moderno de teoría celular se puede resumir en los siguientes principios: Todos los seres vivos están formados por células, bacterias y otro tipo de organismos, o por sus productos de secreción. ... Cada célula es un sistema abierto único e irrepetible, que intercambia materia y energía con su medio.
Explanation:
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Lateral meristem meaning
Answer:
Secondary meristems, or lateral meristems, are responsible for secondary growth, or an increase in the girth and thickness of the stem. Meristems are crucial for wound healing because they regenerate from other cells in damaged tissues.
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Both starch and cellulose are made by stringing together many glucose molecules, but starch is easily digested by humans, while cellulose is indigestible. The starch polysaccharide has every bond occurring below the sugar rings while the bonds in cellulose alternate between one bond above the ring and the next below the ring. How can you explain humans' inability to digest cellulose
Answer:
See explanation
Explanation:
The ability of humans to digest starch and cellulose depends largely on the presence or absence of enzymes that can hydrolyze the starch or cellulose linkages thereby making it digestible.
Starch can easily be digested but cellulose can not be easily be digested because human beings lack the necessary enzyme responsible for hydrolysing the beta-acetyl linkages in cellulose. As a result of this, humans do not metabolise cellulose.
Please I need help with this
Answer:
nucleus : control activities in the cell. 2, vacuoles: it allows substances in and out of the cell.
When an organism undergoes mitosis and then divides in half to produce two new identical organisms, this is called..
Answer:
This question lacks options, the options are as follows:
A: regeneration
B: binary fission
C: budding
D: sporulation
C (binary fission see
Explanation:
Determine which of the following statements is true about energy in ecosystems. A. Producers are able to convert 40% of the sun’s energy into chemical energy. B. 30% of the sun’s energy cannot be absorbed by producers because it is in the wrong wavelength of light. C. Producers only absorb 40% of the sun’s energy, most of which is lost during photosynthesis. D. Producers absorb 5% of the sun’s energy, and reflect 5% of the sun’s energy.
Answer:
A. Producers are able to convert 40% of the sun’s energy into chemical energy.
Explanation:
Energy in an ecosystem must be transferred in the ecosystem. The primary source of energy in an ecosystem is the sun. The terrestrial ecosystem mostly consists of plants and marine ecosystems. As energy flow in an ecosystem is unidirectional. It passed from the organism from one tropic level to another. Only 10% of the energy is available to them.Answer:
Its C
Explanation:
Which determines carrying capacity?
Carrying capacity, or the maximum number of individuals that an environment can sustain over time without destroying or degrading the environment, is determined by a few key factors: food availability, water, and space.
ở người, biện pháp tránh thai nào sau đây dựa trên cơ sở ngăn cản trứng chín và rụng? a: thắt ống dẫn tinh. b: đặt vòng tránh thai. c: uống thuốc tránh thai. d: thắt ống dẫn trứng.
Answer:
i dont speak enchantment table
Explanation:
do you think each form of water is emportant? why?
Answer:
yes, because Water is very important to the human body. Every one of your cells, organs and tissues use water to help with temperature regulation, keeping hydrated and maintaining bodily functions.
Answer:
yes
Explanation:
because Water is very important to the human body. Every one of your cells, organs and tissues use water to help with temperature regulation, keeping hydrated and maintaining bodily functions.
Which of the following is NOT a nucleic acid?
A.DNA
B.RNA
C.mRNA
D.Reverse transcriptase
Describe what happens by the end of anaphase.
a. The chromosomes in the cell become less tightly coiled.
b. The nuclear envelope disappears in the cell.
c. The mitotic spindle of the cell begins to form outside the nucleus.
d. The cell begins to elongate and the two poles have an equivalent collection of chromsomes.
e. The vesicles derived from the Golgi apparatus produce a cell plate at the middle of the cell that eventually forms the new cell wall.
Answer:
d. The cell begins to elongate and the two poles have an equivalent collection of chromosomes.
Explanation:
The cell cycle is a fundamental cellular process by which a parent cell divides into two or more daughter cells. In somatic cells, this cycle can be divided into two major phases: interphase, where the cell prepares for its division, and mitosis or 'M phase'. The M phase can in turn be divided into four stages: 1-prophase (also divided into early prophase and prometaphase), 2-metaphase, 3-anaphase, and 4-telophase. During prophase, chromatin condenses, thereby forming visible chromosomes. Subsequently, during metaphase, the sister chromatids (i.e., the two identical halves of a single replicated chromosome) align along the middle of the cell at the metaphase plate by attaching their centromeres to the spindle fibers. Next, during anaphase, sister chromatids are separated and move to opposite poles of the cell, pulled by the mitotic spindle fibers. At the end of anaphase, the microtubules of the mitotic spindle pull the two sister chromatids toward opposite poles, thereby the cell gets begins to lengthen. Finally, during the telophase, daughter chromosomes arrive at opposite poles and uncoil, while daughter nuclei begin to form at the two poles and nuclear envelopes are formed.
IN YOUR OWN WORDS, what is the definition for color blindness (include what is special about how this is inherited)
Answer:
Color blindness is the inabiliy to see certain colors of the color spectrum. This disease is hereditary and passed down from your parents.
Explanation:
Answer:
Explanation:
Yes
Question 2 of 10
of the places listed, where would you expect to find the lowest air pressure?
Answer:
The lowest measurable sea-level pressure is found at the centers of tropical cyclones and tornadoes, with a record low of 870 mbar (87 kPa; 26 inHg).
Answer:
if these are your choices:
desert
beach
sea level
mountaintop
its mountaintop
Explanation:
Interphase plays an important role in preparing a cell to divide. Which of the following events takes place during interphase?
A. The cell copies its DNA and grows.
B. DNA and proteins condense into tightly coiled chromosomes.
C. Spindle fibers attach to each chromosome and align them along the cell equator.
D. Cytokinesis takes place, dividing the cytoplasm between the two daughter cells.
Earth’s surface is covered by more than 70% water, but scientists think that when Earth first formed it did not have any water. Which of the following could be a possible explanation for how the Earth obtained its liquid water? A. Impacts from meteorites and comets delivered water to Earth. B. Ice locked up in early Earth’s core slowly melted and was released. C. Atoms of oxygen and hydrogen combined during early Earth’s formation to produce water molecules. D. Water vapor from the atmosphere condensed and rained down on the planet creating the oceans over millions of years.
Answer:
C. Atoms of oxygen and hydrogen combined during early Earth’s formation to produce water molecules.
The absorbed light energy by plants is then used to change the carbon dioxide into sugar that plants can use or store as ______. starch leaves stem flowers
Answer: The correct answer is STARCH.
Explanation:
Plants are known as autotrophs because they have the ability to produce their own food. This is possible through a process known as photosynthesis.
The mechanism of photosynthesis takes place in two stages
1.) LIGHT reaction/stage: This is called light reaction because it occurs in the light. In this stage, four major steps are involved:
• chlorophyll is energised (it traps, absorbs and captures light energy).
•photolysis of water: This leads to the splitting of water molecules into hydrogen ion and hydroxyl ion.
• hydrogen is transferred by Nicotinamide adenine dinucleotide phosphate ( NADP).
• formation of ATP
--> DARK reaction/stage: sugar is formed in this stage. The energy needed for the formation of sugar is gotten from the light stage.
The sugar formed during photosynthesis are used as source of energy for plant activities, growth and reproduction. Excess glucose is converted to substances such as sucrose, STARCH and oil, which are then stored in various parts of the plant.
Explain why chewing of boiled rice in the mouth for two minutes is chewing change?
Answer:
The rice changes form inside of the mouth when chewing
can someone help me answer this ?
the salmon population would not change
All carbonate minerals contain the elements_____
a. silicon and oxygen
b. carbon and three oxygen atoms
c. carbon dioxide and oxygen
d. sulfur and four carbon oxygen atoms
Many plant pathologists believe that plant resistance is based upon the interplay of different signaling molecules? Justified.
Answer:
Yes.
Explanation:
Many plant pathologists believe that plant resistance is based upon the interplay of different signaling molecules because plants have various signaling molecules that plays a great role in their growth and development. Ethylene, auxin, cytokinins, gibberellins, and abscisic acid are the growth regulators that controls the growth of plants in different conditions i.e. in resistance. These signals leads the plant to take measures in difficult situations experience by the plants so in this way the plant is resistance to the harsh environmental condition.
*K-selected
*r-selected
If a group of (. )
species lived together in a small area, the carrying capacity of that area would probably
collapse quickly.
Explanation: Unlike the r-selected species, the size of the population of K-selected species is fairly the same with time. The r-selected species generally lies below the carrying capacity, and the size of the population is density-independent. On the other hand, the K-selected species are generally at or close to the carrying capacity and the size of the population is density-dependent.
what are the different forms of water in the environment
Explanation:
Water is present in oceans, seas, lakes, rivers, ice caps, as groundwater and in the atmosphere. Water exists in different forms. On the earth's surface, there are three different forms of water namely solid, liquid and gaseous.
Which term is defined as a coral reef that originally formed around the edges of a volcanic island?
a mid-ocean ridge
a continental margin
an atoll
a submarine canyon
Answer:
an atoll
Explanation:
the circular type known as the an atoll forms around the edges of a volcanic island
In Meiosis, the cells produced are what?
Answer:
daughter cells
Explanation:
sorry have to write for 20 characters
what is the length of the shortest side of the triangle
During the light reactions part of photosynthesis, chlorophyll in the chloroplast captures energy from the sun. What is this light energy used for?
to release carbon dioxide and use glucose as energy
to turn carbon dioxide and chloroplasts to glucose
to combine oxygen and water to make glucose
to cleave water, release oxygen gas, and convert ADP to ATP
Answer: when the chlorophyll in the chloroplast captures energy from the sun the energy is used to Combine oxygen and water to make glucose
Explanation: basically it is stored as glucose
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Blood pressure of 132/78. What does the 78 indicate?
A) Pressure when the left ventricle contracts
B) Overall blood pressure reading
C) The difference between Volume and Pulse
D) The pressure when the left ventricle relaxes
Answer:
D.
Explanation:
Systolic pressure is the pressure in the arteries when the ventricles are contracting (the 132). Diastolic pressure is the pressure in blood vessels when the ventricles are relaxed (the 78).
That is a high blood pressure, almost Hypertension level
An independent variable is that which is:
A. Observed to develop a hypothesis.
B. Changed by the scientist.
C. Measured by the scientist.
D. Kept constant.
Answer:
B. Changed by the scientist.
The digestive and excretory systems project explaining macromolecules in the body
Answer:
Our digestive system has the ability to convert macromolecules into micromolecules.
Explanation:
Our digestive system has the ability to convert macromolecules into micromolecules with the help of certain enzymes. Carbohydrate is a macromolecule which is converted into glucose molecule with the help of saliva which is an enzyme present in the mouth, protein is also a macromolecule that is converted into amino acid so that our body cells can absorb it and fats are also macromolecules which can be converted into fatty acids with the help of digestive system. The cells produced waste materials such as carbondioxide gas and nitrogenous material which can be excreted through excretory system such as lungs and urinary bladder.
When observing a plant cell under a microscope, what parts do you think would be big enough to see?
Answer:
Explanation:
There are a few key structural differences between plant cells and animal cells.
Below are a few of the main ones:
Plant cells are generally larger than animal cells.
Only animal cells have lysosomes (however, recent, and controversial, research suggests that some plant cells may have lysosomes), and only plant cells have chloroplasts.
While plants cells have a rigid cell wall, animal cells have a thin and flexible plasma membrane.
Plants cells have a large central vacuole and animal cells have many small vacuoles
When observing a plant cell under a microscope, one can see large interlocking rectangular blocks. Around each cell, the cell wall is clearly visible. When stained, the cell wall is somewhat thick and visible. The cytoplasm is also lightly stained, with a darkly stained nucleus at the cell's periphery.
What is a plant cell?A plant cell is a eukaryotic cell with something like a true nucleus and organelles that perform specific functions. However, some organelles found in plant cells differ from those found in other eukaryotic cells.
At the time of observing a plant cell under a microscope, person can see large rectangular blocks as well as cell wall is clearly visible.
When stained, the cell wall is thick and visible. The cytoplasm will also be lightly stained, with stained nucleus at the cell's periphery.
Thus, these structures can be visible under a microscope.
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