Answer:
Большая часть энергии, необходимой человеческому организму, обеспечивается углеводами и липидами; Фактически, 30-70% энергии, используемой во время отдыха, поступает из жира. Как обсуждалось ранее, глюкоза хранится в
Explanation:
hope it helps
What allows water to hold so much energy
Why would the cell theory change over time?
Answer:
The invention of the microscope led to the discovery of the cell by Hooke. While looking at cork, Hooke observed box-shaped structures, which he called “cells” as they reminded him of the cells, or rooms, in monasteries. This discovery led to the development of the classical cell theory.
Explanation:
hope this helped you sorry if it did not
Which protists obtain their energy from absorbing the nutrients of decaying matter? fungi-like protists
animal-like protists
plant-like protists
all of the above
fungi-like protists
fungi breaks down decaying matter
an enzyme that transfers a phosphate moiety in a reaction is called a
Answer:
kinase
Explanation:
the correct answer
Cell theory states: All living things are made of cells. The smallest living things are cells, and. 1. All cells are created separately. 2. All cells are created from other cells. 3. All cells are the same?
Answer:
2
Explanation:
they are all different cells
How do human activities affect the carbon cycle?
The main human activities responsible for it are:-
1) Fuel combustion, deforestation and industrial production (especially cement factories)
2) Increase in population (humans emit nearly 32 gigabytes of carbon dioxide each year).
3) Imbalance in the carbon dioxide cycle (the ocean does not absorb all of the carbon dioxide, and vegetables cannot convert all of the carbon dioxide into oxygen).
[tex] \fbox \red{Hope This Helps}[/tex]
Answer:
I guess is it due to global warming or greenhouse gase
Explanation:
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During fertilization in Choose... two fertilization events take place. One fertilization produces the choose... . Another fertilization event produces the Choose... that nourishes the seedling as it grows.
Answer:
angiosperms
Zygote
Endosperm
Explanation:
During fertilization in angiosperm, two fertilization events take place. One fertilization produces the zygote another fertilization event produces the endosperm that nourishes the seedling as it grows.
What is the fertilization process in angiosperms?Angiosperms are characterized by a double fertilization event in which one fertilization produces the zygote and the other produces tissue, called endosperm, within the seed.
After double fertilization, a post-fertilization event occurs, that specify triple fusion, the PEN (primary endosperm nucleus) then grows into the endosperm.
Therefore, in this event, one sperm fuses with the egg to form the 2n zygote, and the other sperm fertilizes with two polar nuclei to create the 3n endosperm is known as double fertilization.
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what is the resulting product of cellular respiration?
Answer:
Carbon dioxide, ATP and water.
Tyrone and Valerie wanted to determine what feature of a paper airplane would cause it to fly the farthest. Tyrone made his airplane with wider wings than Valerie's airplane. Valerie's airplane had shorter wings than Tyrone's. After testing the two airplanes several times, the data shows that wider wings help airplanes fly farther than shorter wings.
Which characteristic of science is missing from this experiment?
The question is not testable because paper airplanes are always changing.
The phenomenon is not observable because air resistance changes.
The experiment is not replicable because controlled variables are not included.
The results are not reliable because the airplanes were only tested one time.
Answer:
It's probably C
Explanation:
Nowhere in the question was there a control, or a variable to test fairness.
Answer: C
Explanation:
what is the defining characteristic of eukaryotic cells?
Answer:
It has a true membrane-bound nucleus and has other membranous organelles that allow for compartmentalization of functions..
the primary visual area is located in which lobe of the brain?
Answer:
Cerebrum
Explanation:
It is found in the forebrain
which of these body cavities is located on the front side of the body?
Answer:
Ventral. The ventral cavity, the interior space in the front of the body, contains many different organ systems. The organs within the ventral cavity are also called viscera. The ventral cavity has anterior and posterior portions divided by the diaphragm, a sheet of skeletal muscle found beneath the lungs
Explanation:
a hormone that can lower blood levels of calcium ion is
Answer: Calcitonin
Explanation:
When calcium levels in the blood is low, Parathyroid hormone is released to increase it. On the other hand, when calcium levels are high and need to be decreased, Calcitonin is secreted.
Calcitonin acts in opposition to PTH by inhibiting osteoclasts (a cell from which bone develops), stimulating osteoblasts, and increasing the excretion of calcium into the urine by the kidneys. [lumencandela]
A family wants to adopt a dog that has very thick fur and cannot be exposed to temperatures above 90 degrees Fahrenheit. This family should only adopt this dog if they live in an area that has which climate properties?
A High average temperatures
B High average rainfall
C Low average rainfall
D Low average temperatures
Answer:
low average temperatures
Explanation:
low average temperatures so the dog doesn't overheat
Answer:
The answer should be D.
Explanation:
A doesn't work - because the dog cannot be exposed to high temps.
B doesn't work - regardless of rain or not, there's always humidity.
C doesn't work either (see B's explanation)
D seems to be the only correct answer.
Studies have linked cigarette smoking exposure to radon gas and exposure to asbestos fiber with lung cancer the model here shows the cell cycle of a cancerous cell according to he information regarding causes of lung cancer and the model of a cancer cell cycle
what statement describes how these risk factors lead to lung cancer ?
A) the risk factors increase the size of lung cells
B) the risk factors increase the size of the genome in the lung cell
C) the risk factors cause changes to genes that regulate the cell cycle
D) the risk factors decrease the ability of the affected cell to divide
Answer:
It's B
Explanation:
Answer: C) The risk factors cause changes to genes that regulate the cell cycle
Explanation:
The phospholipid bilayer is composed of fats with Hydrophobic core. If protein channels were absent in the cell membrane, would water soluble nutrients be able to enter or
exit the cell? Explain in terms of the composition of the plasma membrane. In your own words, explain the fluid mosaic model proposed by Singer and Nicholson.
Without the nuclear membrane the cell would collapse and die. Without the cell membrane, any chemical would be allowed to enter. Membranes are very important because they help protect the cell. Materials move across the membrane by diffusion.
Check all the characteristics below that describe ATP.
Check all that apply.
stands for “adenosine triphosphate”
is an energy molecule
contains two phosphates
contains energy in phosphate bonds
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Answer:
a d and b I believe edkjfjfjfjsw
what substances are transported from the leaves to the rest of the body
Tissue - Process - What is moved
Xylem -Transpiration - Moves water and minerals from roots to leaves
Phloem - Translocation - Moves food substances from leaves to rest of plant and from stores such as in the roots
can anybody help me with this worksheet? Please
1. MAINIDEA Describe how cyclins control the cell cycle.
is
Explanation:
They drive the events of the cell cycle by partnering with a family of enzymes called the cyclin dependent kinases (cdk). A cdk is inactive, the binding of a cyclin activates it, making a funcyional enzyme.
Which organelle's function is storage of water, food, or waste?
O lysosome
O nucleus
O rough ER
O vacuole
Answer:
Vacuole
Explanation:
The vacuole's function is to store water, food, or waste.
The nucleus is basically the "control center" or "brain" of the cell.
Lysosomes are basically the digestive system of the cell
Rough ER produces proteins.
why does your body release a little bit of energy with each step rather than all at once?
In has been observed that during the process of cellular respiration, electrons from glucose move gradually through the electron transport chain in the direction of oxygen, passing to the lower energy states and releasing energy at each step.
How glucose used in cellular respiration?During the process of aerobic cellular respiration, glucose reacts with the oxygen which leads to form ATP ( Adenosine triphosphate) that has to be used by the cell. Carbon dioxide and water has been created as the byproducts. The overall equation for the process of aerobic cellular respiration is that during cellular respiration, glucose and oxygen react in order to form ATP ( Adenosine triphosphate).
Adenosine triphosphate has known as an organic compound which provide energy to living organisms to drive many operations in living cells such as contraction of molecule, muscle pumps, nerve impulse propagation, condensate dissolution, and chemical synthesis.
The energy consumed by the animals in the form of glucose has been conserved because it is transformed into the chemical energy as the carbon dioxide has been produced during the respiration.
Therefore, In has been observed that during the process of cellular respiration, electrons from glucose move gradually through the electron transport chain in the direction of oxygen, passing to the lower energy states and releasing energy at each step.
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Here is a graph of the products of an enzyme reaction versus time. what is the rate of this reaction
Answer:
2.5 mg/s
Explanation:
i got it right
What substance is used to make up nerve fibre
Answer:Myelin is a lipid-rich (fatty) substance that surrounds nerve cell axons (the nervous system's "wires") to insulate them and increase the rate at which electrical impulses (called action potentials) are passed along the axon.
Explanation:
why is it necessary for plants to have chloroplasts
Answer: In some organisms, chloroplasts play a vital role in the photosynthesis process. The chloroplast receives sunlight's energy and converts it to sugars. In some organisms, chloroplasts play a vital role in the photosynthesis process.
Explanation:
El cerebro es el órgano principal del Sistema_______y aquí se encuentran las_______
Answer: nucleus, mitochondrion
Explanation: just did it
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What are the products of the light reactions used for during in the dark reactions of photosynthesis?
Answer:
ATP and NADPH formed during the light reaction of photosynthesis are used in dark reaction for fixing CO2 and to form glucose molecules.
Describe two diseases of the digestive system.
HURRY! Pls. What occurs when molecules use ATP to pump molecules from one side of a membrane to the other?
Diffusion
Active transport
Stimulus
Conversion
Answer:
Active transport
Explanation:
Since it is using energy (ATP) to transport molecules, it is transporting the molecules using active transport.
in eukaryotes dna and proteins combine to form
Answer:
In eukaryotes,DNA and proteins combine to form chromatin.
Explanation:
DNA is normally tightly packed into the nucleus of a eukaryotic cell, through protein-DNA complexes that form the characteristic condensed 'chromosome' shape.