Hello Im Here To Answer Your Question! (Big Idea)Reptiles, birds, and mammals all share similar
traits, but other, specialized characteristics classify these
animals into different groups.
Explanation:
The large eyes and ears of this
eastern tarsier make it an excellent
nocturnal hunter. These unusual
mammals are primates and are
closely related to modern monkeys.
About the same size as a kitten, a
tarsier has strong hind legs similar to
those of frogs. The tarsier’s eyes
cannot move but it has a full range of
view because it can rotate its head
almost 360 degrees.Reptiles, birds, and mammals are all amniotes. Recall that amniotes develop
inside a membraneous sac. This sac contains everything an embryonic vertebrate needs to grow and prepare for the world outside. In some amniotes, the
sac is contained inside the mother’s body. In other amniotes, a tough outer
shell protects embryos as they develop outside of the mother. This shell is
semipermeable, which means that it allows gases such as oxygen and carbon
dioxide to pass through but prevents the embryo from drying out by holding
water inside.
An egg is a completely self-sustaining container
that provides enough energy and nutrients to
enable the embryo to mature. The illustration in
Figure 1.1 shows the different membranes found
inside an amniotic egg. The egg you may have
eaten for breakfast this morning was formed with
all of the necessary membranes and nutrient stores
to support a chicken embryo. But because the egg
was never fertilized, the genetic composition of
the egg remained haploid and did not develop into
an embryo.
The development of the amniotic egg was an
important adaptation because it allowed vertebrates
to reproduce on land. Without the self-contained
source of energy and water, an egg needed to
develop in water or else the embryo would dry out.
Predict What happens when all of the resources that
are stored inside the egg are used?
What’s the correct answer answer asap for brainlist
A, Clouds! Hope this helps!
50 point please answer it correctly
Answer:
1) Proteins consist of the elements carbon, hydrogen, oxygen, nitrogen, and sulfur. Whereas nucleic acids are Nitrogen (N), Oxygen (O), Carbon ( C), Phosphorous (P), and Hydrogen (H)
2) Nucleic acid monomers are called nucleotides; protein monomers are called amino acids.
Explanation: Proteins are one of the primary constituents of living matter. They consist of long chains of amino acids, which are bonded together by peptide linkages and are thus called polypeptides. There are about 20 amino acids, and the atoms most prevalent in these are carbon, hydrogen, oxygen, nitrogen, and sulfur.
Nucleic acids contain the same elements as proteins: carbon, hydrogen, oxygen, nitrogen; plus phosphorous (C, H, O, N, and P). Carbon, hydrogen, oxygen, nitrogen, and phosphorous act as the building blocks for nucleic acids. and the five elements necessary to construct a nucleic acid chain are carbon, hydrogen, oxygen, nitrogen, and phosphorus.
YOU HAVE TO DO # 3 though I'm not doing it all for you
I have not had success figuring out this question for about 4 days now, from an old homework assignment. Please help
Since we now that the change in the first positicion C for a Timine allowed the emergence of lineages A and D, we could say its inverse for the emergence of C and E, that is 1 - T -> C. I attempt that since A and D, are a sister clade with C and E, so we the only change there would be the first base. In the branching point behind A - D; C - E, we could propose a change that precede both clades, of course this is a guess and also it is arbitrary. We could say, 2 - T -> C, that is, in the second position, both couples A - D; C - E have a Citosyne.Therefore we would propose that the branch behind the bifurcation (BBB) following A-D; C-E has in its first two bases -CT-. From this point, we move to the branching point that precedes the clades E-H, and B-G. Let's propose that a change in the third base occurs, that goes from A to G. So we would have in BBB this sequence: -CTA- and in the point we are actually inferring CTG. Then, behind the clade F-H, let's propose a change in the fourth position, that goes from G - A. Following the above procedure, the change behind the B - G clade will be 4 - A to G. So for example in the clade A-D we will have this DNA sequence -TCA. In the clade C-E the DNA sequence will be -CCA-. In the clade F-H -CTGA- while in the clade B-H -CTGG-
What term describes the conversion of inorganic carbon to organic carbon?A. the carbon cycleB. primary productionC. biotic factorD. succession
Remember that biological carbon fixation is the process by which inorganic carbon (such the carbon dioxide) is converted to organic compounds by living organisms. Now, remember that the biological carbon cycle describes the flow of carbon between the atmosphere and Earth's ecosystems.
We can conclude that the correct answer is:
Answer:A. the carbon cycle
If a hypertonic and a hypotonic solution was separated by a selectively permeable membrane, you would predict that net water flow would be in which direction?
Answer: The membrane would allow water to pass through and reach the hypertonic side.
Explanation: This means that the water will go outside the cell.
When water changes state from a gas to a liquid, the ____________ of the water remains the same.
mass
volume
color
Answer:
mass
Explanation:
Mass is a measure of inertia which will stay the same no matter the state of matter
1. Earth's atmosphere is divided into layers based on
a. Density
b. Pressure
c. Composition
d. Temperature
6th Grade Science
PLS HELP ITS DUE TOMORROW
D.Temperature
Explanation-The atmosphere can be divided into layers based on its temperature, as shown in the figure below. These layers are the troposphere, the stratosphere, the mesosphere and the thermosphere. A further region, beginning about 500 km above the Earth's surface, is called the exosphere
Which of the following is a way in which mitosis differs from meiosis?A. Mitosis take place to form sex cellesB. Meiosis creates cells with half the number of chromosomes of the original cell.C. Telophase does not take place in mitosis.D. Spermatogenesis and oogenesis occur via mitosis.
Meiosis creates cells with half the number of chromosomes of the original cell. It produces four gamete cells. Mitosis creates 2 identical daughter cells with the same number of chromosomes as of the parent cell.
Meiosis is the process that form sex cells. Telophase is one of the stage of mitosis. Spermatogenesis and oogenesis occurs via meiosis.
Answer - B. Meiosis creates cells with half the number of chromosomes of the original cell.
The various parts of the endomembrane system serve different functions in the cell. In this activity, you will identify the roles of each part of the endomembrane system. Match each function to the appropriate bin.
1. protein synthesis
2. protein modification and sorting
3. macromolecule digestion
4. lipid synthesis
5. autophagy
6. cisternal maturation
7. calcium ion storage
8. poison detoxification
a. smooth ER
b. rough ER
c. Golgi apparatus
d. lysosomes
The roles of each part of the endomembrane system are:
Smooth Endoplasmic Reticulum (ER) - lipid synthesis, calcium ion storage and poison detoxificationRough Endoplasmic Reticulum (ER) - protein synthesisGolgi apparatus - cisternal maturation and protein modification and sortingLysosomes - Macromolecule digestion and autophagy.What is the endomembrane system?
Membrane bound organelles that modify, package and move macromolecules such as proteins and lipid molecules in eukaryotic cells are collectively known as the endomembrane system. The various functions of the endomembrane system are:
1,) Protein synthesis: This occurs in the rough endoplasmic reticulum. It contains ribosomes, which help to synthesize secondary structures in proteins.
2.) Protein modification and sorting: This is also done in the rough endoplasmic reticulum. The flattened membrane disks and cisternae perform protein modification.
3.) Lipid synthesis: The smooth endoplasmic reticulum in the liver produces steroid hormones like testosterone and oestrogen from other steroids and lipids.
4.) Macromolecule digestion: This happens in the lysosome. The lysosome is highly acidic and contains enzymes that aid in macromolecule digestion.
5.) Autophagy: This is the process in which damaged cells and protein are eaten or damaged by the lysosome. The macromolecules are broken down and reused by the cell.
6.) Cisternal maturation: It takes place in the Golgi apparatus.
7.) Calcium ion storage: Calcium ion is stored in the smooth endoplasmic and is secreted into the cytosol when it's needed.
8.) Poison detoxification: The smooth ER in the liver detoxifies substances from digestion. It does this by removing the lipid part and making the substance hydrophilic in order to be excreted by the body.
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43. Chloroplasts are mainly found in the ______ of plants in order to maximizelight absorption.A. leavesB. rootsC. stems
As we know chloroplasts contain chlorophyll the responsible for the characteristic green color of plants. These organelles can be found in multiple types of tissues nonetheless are more abundant in energy-producing organs such as leaves, therefore the correct answer is option A.
Question #22
Which two stages are most responsible for the genetic variation observed within a species?
A Anaphase I and Prophase I
B Anaphase II and Metaphase II
C Metaphase I and Metaphase II
D Metaphase I and Prophase I
Independent Assortment, Random Fertilization and recombination takes place during Metaphase I and Prophase I. Therefore, option (D) is correct.
What causes genetic variation in a species?Prophase I is when recombination or crossing across happens. Gene by gene, identical chromosomes—1 from each parent—pair along their lengths. Chromosomes break along their length, reunite, and exchange some of their genes. The chromosomes now contain a distinctive collection of genes. This causes genetic variation.
Random Fertilization and Independent Assortment in Metaphase I
The tetrads travel to the metaphase plate during metaphase I with their kinetochores pointing in opposite directions. The homologous pairs randomly align themselves with the equator. This occurrence is the second process that modifies gametes or spores.
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chloroplasts are energy organelles found in what? is it animal cellsplant cellsplant and animal cellsall living cells???
Chloroplasts are found in plant cells.
They can also be found in some algae.
What 3 regions are used for auditory?
The human auditory is divided into 3 parts:
1. The outer ear- involving the externally visible portion of the auditory system along the ear canal.
2. The middle ear - this part transmits sound vibration from the end of the ear canal to the cochlea.
3. The inner ear- the primary organ of the inner ear is the cochlea, the cochlea is responsible for transmitting sound information to the nervous system.
Describe any variation (numerical and non-numerical) between individual replicate
measurements for the respiratory-rate experiment (before and after exercise).
The independent variables of measuring physical properties are given below -
What is physical properties?
A physical properties in any property that is measurable, whose value describe a state of physical system.
The changes in the physical properties of a system can be used to describe its changes between the momentary that state of
physical properties are often referred to as observables.
They are not modal properties.
Any variable that can be attributed a value without attributes a value to any to any other variables is called independent variables.
It is a variable that stands alone and isn't changed by other variables you are trying to measure.
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What’s the correct answer answer asap for brainlist
Answer:
Its B. The canopy consists of very tall trees that block sunlight from lower layers.
Explanation:
I got it right on the quiz.
Self esteem is reflected through how well a person cares for him self/herself physically mentally and emotionally
Self-esteem and body image start in the mind itself. They can completely alter the way you understand your worth. Healthy body image and self-esteem are important part of well-being.
Body image is mental as well as emotional. It’s the mental picture that you have of your body and also the way you feel about your own body when looking in a mirror.
Self-esteem is generally about how you value and respect yourself as a person. Self-esteem greatly impacts how you take care of yourself emotionally and physically. Self-esteem is about yourself as a whole and not just the body.
When you have good self-esteem, you value yourself, and also know that you deserve care and respect .You appreciate and celebrate your strengths and abilities. Don’t put yourself down if you make a mistake. Good self-esteem means that you feel good even when time and situations are difficult.
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What is a result of group behavior that enhances survival?A. being able to run faster than predatorsB. having an easier time finding matesC. having an easier time finding foodD. having the ability to walk long distances with little food
In Biology, group behavior refers to actions made by one organism that help to the survival of another organism in the group.
Some examples are:
• Meerkats have lookouts for predators
,• Bees have designated individuals for different tasks, such as foraging for food or defending the nest.
,• Sharing food resources.
,• Migrating birds fly in formation to conserve energy.
,• Fish swim in schools to avoid predators
One consequence of the organisms living in groups and doing group behaviors is that is easier to find a mate, given that they don't have to travel to find another individual of the same species.
This means that B) having an easier time finding mates, would be the right answer.
20. Why would cells die without a membrane?
A plasma membrane, made of a phospholipid bilayer containing proteins that control the transit of chemicals into and out of the cell, separates a eukaryotic cell from the extracellular environment.
Why cells die without a membrane?All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The cell membrane regulates the flow of substances into and out of the cell.The proteolytic enzymes known as caspases, which cause cell death by cleaving certain proteins in the cytoplasm and nucleus, mediate apoptosis. All cells contain the inactive precursors of caspases known as procaspases. These procaspases are typically triggered by cleavage by other caspases, resulting in a proteolytic caspase cascade.A plasma membrane, made of a phospholipid bilayer containing proteins that control the transit of chemicals into and out of the cell, separates a eukaryotic cell from the extracellular environment. Loss of this barrier function may affect cellular homeostasis and result in cell death.To learn more about a membrane refer to:
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An engineer wants to develop a model to simulate the safety of varioushelmet materials during a race car crash. Which type of model would bestrepresent this?O A. Conceptual modelOB. Molecular modelOC. Computer modelOD. Mathematical model
The correct answer is C. Computer model
In an American football game, linebacker with a momentum of 121 kg m/s tackles
a quarterback who had a momentum of -80 kg m/s. After the tackle, the linebacker
has a momentum of 72 kg m/s. If momentum was conserved, what is the momentum
of the quarterback after the collision?.
-80 kg m/s
41 kg m/s
121 kg m/s
-31 kg m/s
The moment of a system results from adding the vectorial moments of each object composing the system. According to the law of conservation of momentum, the initial moment is equal to the final moment. D) -31 kg m/s.
What is the momentum?First, let us remember that momentum or lineal momentum is a motion quantity. In physics, it is the fundamental quantity that characterizes the motion of any object.
The momentum is a vectorial quantity calculated as the product of the object mass by its lineal velocity ⇒ mv.
The total lineal moment of a system constituted by a group of objects, is the sum of the vectorial moments of each of the objects.
In an isolated system (like crushes, explosions, and collisions), the moment remains constant through time. This is the law of conservation of momentum. The initial moment is equal to the final moment ⇒ Pinitial = Pfinal
In the exposed example,
linebacker and quarteback are the objects in this system. each object (players) has a vectorial moment (121 kgm/s and -80 kgm/s)Pinitial = Pfinal.121 kgm/s + (-80 kgm/s) = P initial
72 kg m/s + X = P final
Pinitial = Pfinal
121 kgm/s + (-80 kgm/s) = 72 kg m/s + X
Now, we just need to clear X to determine the momentum of the quarterback after the collision.
121 kgm/s - 80 kgm/s - 72 kgm/s = X
121 kgm/s - 80 kgm/s - 72 kgm/s = - 31 kgm/s
Option D is correct.
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Is stored energy kinetic or potential?
We have to consider that kinetic energy is the one which in-movement bodies have, like atoms, or molecules. So the stored energy could be known as potential energy since it's a reserve the cells or other bodies, materials, atoms, or molecules can use to develop a determined process.
In order for a transport mechanism to not need atp does the molecule travel down or up the concentration gradient?
Answer:
It goes down
Explanation:
The net flow of molecules is always down their concentration gradient
Which of the following is the best definition of condution
What is a membrane? a form of tissue that connects cells and structures together a thin tissue layer that separates, protects, or connects structures a single layer of tightly packed cells a thin layer of connective tissue packed tightly together
A membrane is referred to as a thin tissue layer that separates, protects, or connects structures and is denoted as option B.
What is a Membrane?This is referred to as a biological layer which comprises of lipids and other types of compounds which are found in cells and it is usually a thin layer which separates the internal environment from the external areas.
This ensures that the cell is protected as it prevents pathogens and other harmful substances from entering. It also helps to connect different structures together which is therefore the reason why option B was chosen.
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What cell shape allows long distance communication
Non-neural cells, both normal and cancerous, communicate over long distances via thin membrane protrusions (TMPs), gap junctions, and exosomes. Long-distance neurons form networks capable of complex computation, which are regulated by macrophage pruning activity.
What is cell?Cells are the fundamental building blocks of all life. Trillions of cells produce the human body. They support the body's structure, absorb nutrients from food, convert those nutrients into energy, and perform specialized functions. A cell is a cytoplasmic mass that is externally bound by a cell membrane. Cells, which are typically microscopic in size, are the smallest structural units of living matter and comprise all living things. Most cells have one or more nuclei as well as other organelles that perform a variety of functions. Cells are classified into two types: eukaryotic cells, which have a nucleus, and prokaryotic cells, which do not have a nucleus but do have a nucleoid region.To learn more about cell, refer to:
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an enzyme is specific. this means
Enzymes are said to be specific because an enzyme binds to only one or one group of substrates for its activity.
The enzyme's specificity is a property that indicates how restricted the enzyme is in its substrate selection; There would only be one substrate for a completely unique enzyme. Specificity is the capacity of an enzyme to select a specific substrate from a variety of chemically similar compounds. Specificity is a molecular identification process due to the complementary structural and conformational properties of the enzyme and substrate. Since the specific substrate must fit into the enzyme's active site before catalysis can take place, only well-designed molecules can be enzyme substrates; An enzyme will frequently react with a single naturally occurring molecule or substrate.
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What different roles and functions do membrane proteins serve?
Membrane proteins mediate processes that are fundamental for the flourishing of biological cells. Membrane-embedded transporters move ions and larger solutes across membranes, receptors mediate communication between the cell and its environment and membrane-embedded enzymes catalyze chemical reactions.
Explain how the Meselson-Stahl experiment contributed to our understanding of DNA replication, and describe that process.
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Meselson-Stahl's experiment contributed to our understanding of DNA replication because the use of radioactive nucleotides showed that one DNA strand is synthesized in each round of replication while the other chain remains unchanged, which is known as semiconservative replication.
What is semiconservative replication?In genetics, semiconservative replication refers to the process by which DNA is duplicated during the process of DNA replication. In semiconservative replication, one DNA chain is conserved in intact conditions while the other one is synthesized in the final double helix DNA molecule.
Meselson-Stahl's experiment contributed to the discovery of the semiconservative nature of DNA replication by observing that only one radioactive chain was added to each round of replication.
Therefore, with this data, we can see that the semiconservative replication of the double helix DNA molecule is a fundamental process associated with DNA replication which was discovered by Meselson-Stahl's experiments.
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What’s the correct answer answer asap for brainlist
Wetlands are the one located between aquatic and terrestrial environments and reduces the flooding and filters water.
What is wetland and how it reduces flooding and filters water?See wetland is the portion of land located just before the aquatic system and the terrestrial land.During the wet season or wet years wetland acts as flood control supplement by acting as sponges , capturing water.What actually happen is during the need hours when flood is used to be at peak the wetland holds a significant amount of water temporarily .To ease out the rising issue quickly they holds the water , and they also filter the water by removing the pollutants.To know more about wetlands visit:
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Help plss, will do brainliest again.
A sphere with a mass of 12 g has a radius measuring 2 cm. What is its density?
0.36 g/cm^3
1.43 g/cm^3
6 g/cm^3
24 g/cm^3
Answer:
A. 0.36 g/cm^3
Explanation:
Hope this is correct for u
