Answer:
The age of the whole twig can usually be determined by counting back from the longest branch.
Answer:
Para calcular la edad de los árboles según este método: Medir la circunferencia del tronco a una altura de unos 140 cms respecto al suelo. CaLcular el diámetro: dividir la circunferencia entre pi (3,1416). Multiplicar el diámetro obtenido por el factor de crecimiento medio de la especie del árbol.
Explanation:
espero te ayude
Which organism in this food web would you expect to
have the greatest amount of biomass if a biomass
pyramid was created for this ecosystem?
Answer:
Or you could mindlessly type "KELP" into the space...
Explanation:
Answer:
Kelp
Explanation:
ed22
pls help will give brainliest
what do you understand by hypotonic and hypertonic solutions?
Answer:
a solution that contains less salt or electrolytes than in normal blood
Explanation:
Answer:
A hypotonic solution is one where the concentration of solutes is greater in the cell than out of it and a hypertonic solution is one where the concentration of solutes is greater out of the cell than in it.
why do chloroplasts make energy carriers during the light reactions?
Answer:
consist of array of chlorophyll molecules. *** The absorb energy excited electrons to a higher energy level. ... *** As H+ diffuse through ATP synthase, down their concentration gradient, the enzyme uses the energy of the moving ions to ATP.
Explanation:
Chloroplasts make energy carriers such as NADPH in which the light energy is caught up. Together with carbon dioxide they are used to synthesis glucose during light reaction in photosynthesis.
What is light reaction in photosynthesis ?The first series of events that start the process of photosynthesis require light and are referred to as light reactions or light-dependent reactions since they depend on light as their energy source.
Light energizes the electrons in the chlorophyll molecule as it reaches the chloroplast. These electrons accelerate to higher energy levels because they have taken in or caught that energy and are now carrying it. Excited electrons have high energy. Who wouldn't be thrilled to have the capacity to sustain life?
Chlorophyll is left at a loss when the excited electrons depart to take part in other reactions; eventually, they need to be replaced. In order to break water molecules during that replacement process, an enzyme complex and light are both necessary. Hence, energy carriers plays a significant role in light reaction.
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the rupture or destruction of red blood cells is called __.
Answer:
The destruction of red blood cells is called hemolysis.
Explanation:
What are some environment benefits of having a carnivore diet?
Answer:
Since carnivore diet contains all-meat that is primarily made of fat and protein, they are absorbed to a great extent in the gastrointestinal tract, leaving very little residue. This helps in alleviating issues like bloating, diarrhea, gas and other gastric problems. Cons of Carnivore Diet It lacks significant nutrients
Explanation:
Answer:
Meat consumption is responsible for releasing greenhouse gases such as methane, CO2, and nitrous oxide. These gases contribute to climate change, such as global warming. Livestock farming contributes to these greenhouse gases in several ways: The destruction of forest ecosystems.The carnivore diet boasts weight loss, improved mood, as well as blood sugar regulation. It was founded on the belief that high-carb diets are the cause of chronic disease. However, there are drawbacks to eating nothing but animal protein and zero carbs.
Explanation:
Hope this helps.
what was the path of darwin’s voyage
Answer:
In 1831, Charles Darwin received an astounding invitation: to join the HMS Beagle as ship's naturalist for a trip around the world. For most of the next five years, the Beagle surveyed the coast of South America, leaving Darwin free to explore the continent and islands, including the Galápagos.
Explanation:
Most of the trip was spent sailing around South America. There Darwin spent considerable time ashore collecting plants and animals. Darwin filled notebooks with his observations of plants, animals, and geology. The trip was an almost five-year adventure and the ship returned to Falmouth, England, on October 2, 1836.
the hypophyseal fossa of the sella turcica contains the ________ gland.
Answer:
The pituitary gland; is the answer to this question. I hope it helped.
someone please solve this
Answer:
A - nucleus.
b- cellwall
c- vacuole
D- mitochondria
What crucial function do the nitrogen-fixing bacteria perform?
Answer:
microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen (inorganic compounds usable by plants). More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle.
Students created note cards comparing characteristics of eukaryotic and prokaryotic cells.
Which set of note cards most accurately compares these cells?
Given what we know about Eukaryotic and Prokaryotic cells, we can confirm that the note card labeled "F" is the one that best compares these two cell types.
Eukaryotic and Prokaryotic cells have many differences to discuss, the ones mentioned in note cards, however, are:
The presence of membranes surrounding organelleThe location of the DNA for each cellProkaryotic cells are cells that lack any organelle or nucleus. This is due to the absence of membranes, which are needed to maintain the structure of the organelle. Due to the lack of membranes and therefore of a nucleus, the DNA of these cells can be found floating in the cytoplasm. Table F is the only one that accurately represents these traits.
Eukaryotic cells, on the other hand, are those that do possess membranes. The presence of membranes allows the eukaryotic cells to have a nucleus that can contain their DNA. This cell type is that of most multicellular organisms, whist the prokaryotic are known most commonly as bacteria. Once again, table F is the one that best represents this data.
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Which characteristic best supports that an offspring is produced by sexual reproduction and not asexual reproduction?
Answer:
The offspring has the same number of chromosomes as its mother and father.
Explanation:
The child shares the same number of chromosomes with both parents. Two parents participate in sexual reproduction, which results in children with distinct genetic makeup.
What is sexual reproduction?A diploid zygote is created during sexual reproduction when two haploid gametes combine during fertilization.
Asexual reproduction creates clones of the original parent, which results in kids that are genetically identical to the parent. Asexual reproduction allows for the rapid production of vast numbers of children by a single person.
This is due to the fact that in asexual reproduction, the only single parent produces an additional child that is genetically identical to the parent.
Therefore, the sexual mode of reproduction is seen to be superior to the asexual mode.
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Which of these macromolecules are made of fatty acid molecules?
O proteins
O lipids
O carbohydrates
nucleic acids
Question 16
which process does not occur within a mitochondrion in a eukaryotic cell?
The process that does not occur within the mitochondria of a eukaryotic cell is glycolysis. I can conclude this because I believe you are referring to the options for this question which are:
A) Krebs cycle
B) Glycolysis
C) ATP synthesis
D) Electron transport chain
Glycolysis is a process in which glucose in the cytoplasm of a cell is broken down to produce energy in the form of ATP. The word glycolysis means "glucose splitting". It is one of the stages of cellular respiration. In fact, it is what begins this process.
Glycolysis is an anaerobic process meaning it does not need the presence of oxygen to function properly. Although this is a very important process and does participate in the creation of ATP, it does not occur in the mitochondria, but rather in the cytoplasm of a cell.
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how many valence electrons are in the atom pictured below?
Answer:
There are ten Valance electrons in the atom.
(Valence electrons are the little dots)
Explanation:
The picture below will help you as well.
Hope this helps :)
all foods that require refrigeration should be maintained at an internal temperature. true or false
Answer:
TRUE
Explanation:
uhm i'm sure with this answer.
How do enzymes affect Biochemical reactions?
Answer:
Enzymes are proteins that are able to lower the activation energy for various biochemical reactions. ... Enzyme catalysis. An enzyme catalyzes a biochemical reaction by binding a substrate at the active site. After the reaction has proceeded, the products are released
Hope this helps!!
WHICH RESERVOIR OF THE CARBON CYCLE CHANGES THE MOST AND THE QUICKEST?
(please helpp)
the ocean is the reservoir that changes the most and the quickest
The reservoir of the carbon cycle that changes the most and the fastest is the atmosphere, as the atmospheric carbon pool changes due to the constant release of carbon dioxide through household sources and cellular respiration.
What is the significance of the carbon pool?The carbon pool maintains the carbon ratios in the earth, as the atmosphere is the reservoir of the carbon cycle that changes the most and quickest due to burning fossil fuels, usage of household electric appliances, usage of more vehicles that release carbon dioxide, deforestation, etc. If the carbon pool is not maintained and becomes uncontrolled, the environment will be harmed due to global warming, etc.
Hence, the reservoir of the carbon cycle that changes the most and the fastest is the atmosphere, as the atmospheric carbon pool changes due to the constant release of carbon dioxide through household sources and cellular respiration.
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Which biome is likely to have the most species within a hectare of land?
A.tundra
B.chaparral
C.tropical rain forest
D.temperate forest
D. Tropical
Explanation:
Tropical rain forest
1. Bacteria reproduce rapidly through binary fisson
2. A parent bacterial cell is able to survive in the presence of the antibiotic penicillin. Subsequent
generations from this parent will be _vulnerable to penicillin
3. Something that potatoes and bacteria have in common is that they both reproduce through
asexual reproduction
4. In asexual reproduction, DNA from the parent cell
before it produces daughter
cells.
Can someone help me with number 4
What properties of photosynthetic pigments allow pigments to absorb light of only certain wavelengths? Select all that apply.
Light of any energy level can boost an electron of the pigment molecule to a higher energy level in order to be absorbed.
Only light with the correct wavelength to boost an electron of the pigment to a higher energy level is absorbed.
Some pigment molecules lack a light-trapping region.
All pigment molecules possess a light-trapping region with a special structure that allows electrons to move freely
between Its atoms.
The properties of photosynthetic pigments that allow pigments to absorb light of only certain wavelength is ; ( B and D )
Only light with the correct wavelength to boost an electron of the pigment to a higher energy level is absorbed.All pigment molecules possess a light-trapping region with a special structure that allows electrons to move freely between Its atoms.The Green pigment found in plants ( i.e. photosynthetic pigment ) that absorb light energy used by plants during photosynthesis is the chlorophyll. It absorbs light energy based on the wavelength of the visible light while reflecting visible green light due to its wavelength.
The reflection of the visible green light by the chlorophyll gives the plants leaves the green color it possesses.
Hence we can conclude that The property of photosynthetic pigments that allow pigments to absorb light of only certain wavelength is ; Only light with the correct wavelength to boost an electron of the pigment to a higher energy level is absorbed. and statement D.
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The characteristic of a nerve cell that relates directly to its function in receiving and
transmitting nerve impulses is its
a. long extensions.
c. ability to change shape.
b. flat shape.
d. ability to engulf and destroy bacteria.
The axon is the long cytoplasmic extension and the dendrons are the short cytoplasmic extensions. The extensions are responsible for receiving and the transmission of the nerve impulses. Thus, the correct answer is option A. Hope it's helpful to you !
Explanation:
What causes air to rise in ‘lifting due to topography?’
Answer:
heating of the mountain slope by the sun
What happens to the matter we take in?
Answer: Well Changing states of matter occur when matter loses or absorbs energy. When a substance absorbs energy the atoms and molecules move more rapidly and this increased kinetic energy pushes particles far enough, that they change form
Explanation:
Answer:
we breathe it out , smell it
Explanation:
osmosis results in a net movement of __ from a solution that has a __ solute concentration to a solution with a __ solute concentration.
Answer:
Formally, osmosis is the net movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Explanation:
Hope it helps :P
osmosis is the net movement of water through a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration
what is osmosis ?Osmosis is defined as the passive process in which the molecules move from a region of higher concentration to lower concentration until the concentrations become equal on either side of the membrane with out expenditure of external energy.
Gases and supercritical liquids are solvent undergo the process of osmosis; It can be up two types such as Endosmosis where a substance in a hypotonic solution, the solvent molecules move inside the cell and the cell becomes turgid by a process of deplasmolysis.
When a substance in a hypertonic solution, the solvent molecules move outside the cell and the cell becomes flaccid or undergoes plasmolysis. This is known as exosmosis.
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Why does sugar take time to diffuse?
Answer:
A given quantity of solute dissolves faster when it is ground into small particles than if it is in the form of a large chunk because more surface area is exposed.
Answer:
more surface area is exposed
Explanation:
Which term describes an extensive network of tubes, sacs, and vesicles throughout a cell that provides transport as its main function
PLEASE HURRY!!!
In the preparation of the Krebs Cycle
a) Glycolysis will be broken down in Pyruvate
b) Pyruvate will be transformed into Acetyl-COA
c) Acetyl-CoA will be transformed into Pyruvate
d) Ethanol will be produced
Answer:
b) Pyruvate will be transformed into Acetyl-COA
Read the passage from “The Caged Bird.”
A free bird leaps
on the back of the wind
and floats downstream
till the current ends
and dips his wing
in the orange sun rays
and dares to claim the sky.
How does the figurative language in this stanza work as part of the extended metaphor?
It creates images of freedom.
It creates images of oppression.
It emphasizes a sense of fantasy.
It emphasizes a sense of arrogance.
Answer:
It is most likely A
Explanation:
This part of the amazing poem, "The Caged Bird" shows the freedom the bird could have, but doesn't.
Answer:
It creates an image of freedom.
Explanation:
name three ways that you can explore specific genes to see if they would make good barcodes for species identification.
The barcode gene sequences should show less intraspecific gene variation than interspecific variation, contain conserved flanking regions and have a short length.
The three most important constraints to explore the suitability of a nucleotide sequence in order to be used as a DNA barcode for taxonomic identifications are:
Barcode gene sequences show less genetic variation within species (intraspecific variation) than between species (interspecific variation).Barcode sequences also show conserved flanking regions in order to be amplified in all species to be identified/categorized.Barcode sequences have short lengths due to technical constraints (amplification by PCR is ideal no more than 1000 base pairs).For example, in animals, an excellent barcode gene sequence used for taxonomic identification is the Cytochrome Oxidase I (COI) gene because this sequence can be used across the evolutionary spectrum.
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What are the levels of the energy pyramid called?
Answer:
Trophic level
Explanation:
A trophic pyramid shows where most of the energy in an ecosystem can be found. Each level is called a trophic level and as you move up trophic levels 90% of the energy is lost.
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