Answer:
Yes, amylase can be reused, and when fulfills its catalytic function, it is free to catalyze the breakdown of another starch molecule.
Explanation:
Amylase is an enzyme capable of catalyzing the breakdown of starch bonds, separating it into glucose molecules.
The enzymes, including amylase, have the property of being free and without structural alteration when catalyzing a reaction, to bind to the specific substrate and catalyze a new reaction.
Amylase is not consumed, unlike a reagent, so it can be reused in new reactions.
Most functions of a prokaryotic cell are controlled by the cell's nucleus. True or false?
Answer:
False.
Explanation:
A prokaryotic cell doesn't even have a nucleus.
the sequence of _____ in a dna molecule determines the protein that will be produced
Answer: gene
Explanation: The sequence of bases in a DNA molecule can determine the order of amino acids in a protein molecule. Groups of three bases called triplets represent different amino acids. This is the basis of the genetic code . A sequence of bases (genetic information) on DNA that codes for a protein is called a gene .
find cos A if sin A=3/5
Explanation:
for sin we divide the opposite by the hypotenuse
and for cos we require the adjacent divided by hypotenuse
we can get it through
a²+ b²=c²
ur unknown in this case is the adjustment which you can either substitute with a or b
a² + 3²=5²
a²=5²-3²
a²= 25-9
a²= 16
[tex] \sqrt{a ^{2} } = \sqrt{16} [/tex]
a=4
so that now we have found that I just sent we can find the cos of A
cos A= ⅘
what is social participation? why is it important for socialization?
Answer; the person involved in the activities with other people in thier society of the community they live in is called social participation.
It is important because we get to share and express our feeling which is important if we want to maintain our mental health
Explanation:
Answer:
I hope it helped u
stay safe stay happy
Organelles help to maintain homeostasis in cells. Human cells are no exception. White blood cells have the important role of engulfing or “eating” viruses and bacteria that can make us sick. Out of the organelles listed, which one do you think white blood cells have more of then others?
a) Lysosomes because these are filled with digestive enzymes
b) Vacuoles because these can store materials
c) Ribosomes because these help to build proteins
d) Mitochondria because these help to create energy
Answer:
a) Lysosomes because these are filled with digestive enzymes
Explanation:
Which of the following macromolecules is CORRECTLY paired with its star organelle based on its function?
Identify Organelles in an Animal Cell
Label A
Label B
Label C
Label D
Answer:
Identify Organelles in an Animal Cell
Label A
Label B
Label C
Label D
Explanation:
Label A
✔ Nucleus
Label B
✔ Lysosome
Label C
✔ Ribosomes
Label D
✔ Centrioles
The organelles can be identified as follows:
Nucleus
Lysosome
Ribosomes
Centrioles
Organelles can be regarded as specialized structures found in organism which carry out various jobs inside cells.Some of these organelles are Nucleolus, centrioles and others.Nucleus can be regarded as membrane-bound organelle which has the cell's chromosomes in it. it has a Pores in its nuclear membrane which help the passage of molecules in o the nucleus as well as out of the nucleus.lysosome can be regarded as membrane-bound organelle that has a digestive enzymes in it, these enzymes helps in breaking down excess as well as worn-out cell parts.Ribosomes can be regarded as macromolecular machines, which helps in the synthesis of biological protein and it is found in living cells.Centrioles can be regarded as organelles that has a barrel-shaped, it is present in cytoplasm of animal cells, it helps in organization of microtubules which is cell's skeletal system. this organelles is found very close to nuclear envelopeTherefore, organelles are present in cell to carry out different functions.
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What is the relationship between population number and carrying capacity in a stable population
Answer:
As a population grows in an area, a population may experience the effects of increased densities. In a given area, is the maximum population size of the species that the environment can sustain is called the carrying capacity. Carrying capacity is determined by the amount of available resources (food, habitat, water).
Explanation:
hope this helps<3
In the early 1900s Germany geologist alfred wegener began to question how the structure of Earth formed over time he proposed the theory of continental drift to suggest that all continents were once connected and have drifted to their current location over time. What was the main reason that wegener theory received a lot of radical from the scientific community
Answer:
He did not give a method on how the continents moved
Explanation:
In 1912, Alfred Wegener proposed the idea that the continents are slowly drifting around the Earth. This hypothesis was known as the continental drift. Wegener proposed that the Earth rotation might have been the cause for which the continents move to separate from each other. However, nowadays it is well-known that continents are landmasses localized on tectonic plates that move and interact with each other (and it is referred to as plate tectonics).
If star A is red and star B is blue which star is brighter
Answer:
Star A
Explanation:
Although blue stars are hotter, red stars go through nuclear fusion faster than blue stars, which makes them give off more light :)
Why is Earth's outer core hotter than Earth's oceanic crust? Earth's oceanic crust is denser than Earth's outer core is. Earth's oceanic crust has lava flowing from the mantle. Earth's outer core has a composition of solid iron and nickel. Earth's outer core is deeper within Earth than oceanic crust is.
Answer: Earth's outer core is deeper within Earth than oceanic crust is.
Explanation:
The Earths outer core is is known as the third layer of the Earth. It is the only layer of the earth which is liquid. and it is majorly constituting of made metals iron and nickel, as well as little constituents of other substances. The Earths outer core is responsible for magnetic field on earth. And it is hotter than the oceanic crust because it is deeper within the earth than the oceanic crust.
The core -outer core and inner core- compose the third and deepest layer of the Earth. The Earth's outer core is hotter than Earth's oceanic crust because the Earth's outer core is deeper within Earth than oceanic crust is.
-------------------
The Earth is composed of three layers known as cortex, mantle, and core.
The outer layer is the cortex, while the core is the inner layer is the core, both of them composed mainly of iron and nickel.
The core can be divided into outer core and inner core.
Near the terrestrial core, the temperature might reach up to 3,500ºC, and solid materials in these areas melt and fuse.
When fusing, materials lose density, becoming lighter and ascending again to the surface, creating the ascending currents.
Differences in temperature and density produce convection currents. Warm melted materials from the bottom are lighter and can ascend, while cold materials from the surface are denser, so they tend to descend.
Convective currents contribute to the plates' movements over the mantle and keep the surface warm, making life possible.
The heat produced in the core is responsible for the electromagnetic field.
The Earth's outer core is hotter than Earth's oceanic crust because the Earth's outer core is deeper within Earth than oceanic crust is.
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What are some uses of oil?
Answer:
to heat building and produce energy, to make products such as plastic.
Explanation:
What is the smallest unit ?
Answer: B) cell
the smallest unit of life is a cell
A fish species lives in the coral-like tentacles of a primitive invertebrate. Scientists believe that fish droppings and scraps of food provide nutrients for the invertebrate. What additional information would make this a mutualistic relationship?
The tentacles provide the fish with shelter from predators.
Most areas near the equator receive ___ solar energy than the poles receive
-more
-less
The reaction has one reactant and at least and at least two products
NASA has discovered a new planet in a distant solar system. On this new planet, they have found a mysterious green slime. The green slime only grows at certain temperatures and under certain moisture levels. Scientists found that if they put the green slime in a freezer, it would shrink itself to maintain an internal temperature of 75°. They also found that the green slime has specialized pumps to pump out water if it gets too wet. As of yet, none of the green slime samples have reproduced, but they do appear to be growing very slowly. When looking at the green slime under the microscope, scientists can see smaller structures filled with green slime and tiny pumps. What are some reasons the green slime may be considered a living organism? What are some reasons the green slime may not be considered a living organism? Do you think the green slime is alive? Why or why not? *
Answer: The following assumptions can be made for the green slime.
Explanation:
1. The green slime has many characteristics, which indicates that these are adaptations which were used by the slime to survive. It uses pump to expel out excess water, and in freezing it can shrink itself to maintain its temperature. Thus these characteristics indicates that the green slime is living.
2. The green slime did not reproduced. This indicates that the slime was not living.
3. The slime was living because it had characteristics which enable it to survive like other living organisms.
What are the levels of organization within the earth system
Answer:
Organelles -> Cells -> Tissues -> Organs and Organ Systems -> Organisims, Poupulation and Communties -> Ecosystems -> The Biosphere
Explanation:
The level of organization from lower to higher are atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biomes and biosphere.
What is ecosystem ?An ecosystem is the unit of ecology, a structural and functional unit of where the living organisms dwell with each other and with their surrounding environment and the term was coined by A.G.Tansley, an English botanist, in 1935.
The structure of an ecosystem can be up two types such as Biotic Components and Abiotic Components, both the components are interrelated where the flow energy and components occur throughout the boundaries.
Biotic components belongs to all living components which can be classified into autotrophs, heterotrophs and saprotrophs. Autotrophs are the producers like plants which make food independently by photosynthesis.
The organisms that depend on other organisms for their food called as consumers or heterotrophs, it can be classified into primary consumers, secondary consumers and tertiary consumers.
Primary consumers are herbivores, Secondary consumers get energy from primary consumers can be either carnivores or omnivores. Tertiary consumers get energy from on secondary consumers.
Quaternary consumers prey on tertiary consumers, Decomposers include saprophytes such as fungi and bacteria depend on dead and decaying matter.
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What would eventually happen to a cell left in a hypotonic solution?
a. The cell would not change
b. The cell would shrink and shrivel
C. The cell would get bigger and eventually explode
Answer: C. The cell would get bigger and eventually explode :) hope this helps
Answer:
I am pretty sure its C
Explanation:
the cell get bigger and explodes
With statement best describes the anther in a flowering plant? A. It is the colored part of the flower that attracts pollinaters. B. It is the part of the stem that supports the weight of the plant. C. It is the part of the stamen that contains the pollen. C. It is the part of the flower that contains the eggs.
Answer: C. It is the part of the stamen that contains the pollen
Explanation:
Anthers are the pollen containing units in a flower that can be found in the stamens of such flowers. It should be noted that typically, anthers consist of two parts which are referred to as the thecae and each one of the theca is made up of two microsporangia.
Therefore, from the explanation above, we can infer that the another is the part of the stamen that contains the pollen.
Why is there limited vegetation in the tundra?
Answer:
Frigid temperatures, etc.
Explanation
The tundra has very low temperatures and a layer of permafrost over the soil. It has characteristics similar to the desert and it also has a short summer and a long, freezing winter. Therefore, there are not many flora variations that can thrive in that biome.
Answer:
The tundra experiences little rainfall, which makes the soil devoid of nutrients. The soil is permafrost, or permanently frozen. Both of these factors make it difficult for plants to grow in the tundra.
Explanation:
edge 2020
Make list of farm tool used in:
Land preparation
Cultivation
Plant propagation
Harvesting
Answer:
Land preparation:
This has to do with preparing the land in preparation for planting.
Farm tools used in land preparation include scrapers, ditchers, ploughs, levelers.
Cultivation:
This has to do with loosening the soil for farm use.
Farm tools used in Cultivation include: spade, shovel, rake, etc.
Plant propagation:
This is the act of growing new seeds, using different sources.
Examples of farm tools used in this operation include: propagation knife, hand pruner, sharpening stone, etc
Harvesting:
This is the process of collecting or gathering crops which were planted and have reached age of maturity.
Examples of farm tools used in this operation are hand sickle, darat, gandasa, etc.
The list of farm tools used for various uses include the following:
Land preparation-This involves preparing the land for planting. Examples of farm tools used include tractor, harrows, plough, levelers etc
Cultivation- This involves the process of preparing the soil for planting and crop cultivation. Examples of farm tools used in cultivation include spade, shovel, rake, etc.
Plant propagation- This involves different techniques which are used to grow crops using stems or leaves of plants. Examples of farm tools used include propagation knife, hand pruner, sharpening stone, etc
Harvesting- This involves the process of gathering planted crops which have reached maturity and ready for consumption and other uses. Examples of farm tools used include hand sickle, darat, gandasa, etc.
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are insects natural resources?
Answer:
I'm not sure. Just guessing, I would say yes. They are not man made.I hope this helps! :)
What is hypothesis (full explanation no copy right)
- The cane toad has been introduced to some ecosystems to reduce the number of
pests that damage crops. In the areas where they have been introduced, none of the
predators are immune to the protective toxins the toad produces. What is a probable
outcome from the introduction of the cane toad in the following 10 years?
Answer:
D
Explanation:
The crops will not deplete the soil. The Frog will not lose its toxin because nothing bad comes from that trait. A predator cannot adapt to a toxin in the span of only ten years. The insect population should deplete because the frog should multiply and concur the population of pests since the frog doesn't have any predators.
Not sure about the answer pls help me
One of a carbohydrate is a building block of a plants cell wall it is
cellulose is a building block of a plant cell wall
Explain why we can treat bacterial infections but we cannot completely remove virus from an infected person?
Answer:
This is because viruses are so simple that they use their host cells to perform their activities for them. So antiviral drugs work differently to antibiotics, by interfering with the viral enzymes instead.
Explanation:
which type of tissue is found covering the organs of plants ??
Answer: Dermal Tissue
Explanation: dermal tissue provides the outer covering of the plant.
Which process occurs within the mitochondria?
lactic acid fermentation
alcohol fermentation
glycolysis
Krebs cycle
The correct answer is D i.e. krebs cycle occurs in mitochondria.
what is mitochondria?
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP)
what is krebs cycle?
The tricarboxylic acid (TCA) cycle, also known as the Krebs or citric acid cycle, is the main source of energy for cells and an important part of aerobic respiration. The cycle harnesses the available chemical energy of acetyl coenzyme A (acetyl CoA) into the reducing power of nicotinamide adenine dinucleotide (NADH).
it is a closed cycle which produce 8 intermediates which are;-
CitrateIsocitrateOxoglutarateSuccinyl-CoASuccinateFumarateMalateOxaloacetate (oxaloacetic acid)To know more about krebs cycle here
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