All animals are multicellular.
All animal have cells that contain a nucleus and organelles. These two are the correct statements.
Animals have a huge variety of characteristics that set them apart from species in other kingdoms, despite the fact that they all belong to the animal kingdom. The vast majority of animals have specialized tissues, and all animals are eukaryotic, multicellular organisms. The majority of animals are mobile, at least at some points in their lives. Animals need nourishment in order to thrive and grow. Every animal is heterotrophic, meaning they consume both live and dead organic stuff. They differ from autotrophic creatures like most plants, which produce their own nutrition through photosynthesis, and from fungi, which externally digest their food, in that they receive energy in this manner. Animals can be parasitic, herbivorous, carnivorous, or omnivorous.Most animals reproduce sexually, and unlike plants, the young go through a sequence of developmental stages that shape their body plans.Therefore, all animals are multicellular and have cell organelles.
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what does the pH scale indicate
Answer:
pH is a measure of how acidic/basic water is
Explanation:
The
of a microscope refers to the ability to distinguish clearly between two
adjacent, but distinct, objects.
Answer:
resolution
Explanation:
Resolution is the ability of the lenses in the microscope to clearly distinguish between two adjacent objects as distinct and separate.
A compound light microscope has a maximum resolution of 0.2 µm, which means it can clearly distinguish between two adjacent, but distinct objects. Any objects closer than 0.2µm will be seen as 1 object.
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How many gypsy moths are there now (what is there population?) 2022
Answer:
52,396
Explanation:
that's what G o o g l e said
What characteristic must physical properties have in order to use them to classify matter
Answer:
Physical properties are characteristics that describe matter. They include characteristics such as size, shape, color, and mass.
Explanation:
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These nutrients move up through the food chain
Answer:
organic
Explanation:
These organic nutrients move up through the food chain. However, when death occurs, decomposition returns the nutrients to the earth.
Which statement best represents how structure relates to function?
O Parrots typically lay clutches of 2-4 eggs per year.
O Longer legs and different hip bones let modern humans walk upright.
O Hummingbird feathers come in a wide variety of iridescent colors.
O When a sandhill crane finds a mate, it bonds for life.
The statement that best represents how structure relates to function is as follows: longer legs and different hip bones let modern humans walk upright.
What is structure and function?The structure of a biological organism refers to the arrangement or organization of parts to form an organ, system, or living thing.
The structure of an organism determines the adaptation and survival of that organism in its natural environment because these structures perform functions that are germane to its survival.
Some common examples of structures in living organisms and their functions are as follows:
Radula in snails - for feedingHorns - for protection against intrudersClaws - for holding on to preyTherefore, the statement that best represents how structure relates to function is as follows: longer legs and different hip bones let modern humans walk upright.
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Analyze the model below. Identify as organic or inorganic compound, or
element/molecule.
H-C-C-0-H
HH
0><=0
ㅐㅐ
carbon dioxide (CO2) organic compound
inorganic compound
OD
Answer:
Organic compounds are compounds which contain carbon and hydrogen covalently bonded to each other and other elements, most notably oxygen, nitrogen, etc.
In this case, the first compound (ethanol, C₂H₅OH) is an organic compound.
Inorganic compounds are any compound which cannot be classified as an organic compound (meaning they lack carbon-hydrogen bonds).
In this case, the second molecule (carbon dioxide, CO₂) is an inorganic compound.
Elements are substances that cannot be broken down and contain a unique amount of protons. Sometimes, elements exist as diatoms in nature (two atoms of the same element).
In this case, the third substance (H₂) is an element.
please help ! im so confused
Answer:
Hydrolysis- adding water to split polymers
Dehydration Synthesis- removing water to join monomers together
Please help!!!
Name 3 pairs that show a strong evidence that there is a difference between the populations. Explain why you chose those 3 pairs. Compare the locations to one another in pairs.
Answer:
Bombay,capehenlopen,rheboth
Explanation:
population can increading according the paychart that shown in the top there.
Please answer the following questions based on the titration curve:
1. From the plot, determine the number and types of titratable groups for the unknown amino acid.
2. Determine best you can the experimental pKa values for each titratable group from the plot
3. Determine best you can the molecular weight of your unknown amino acid from data obtained from
your plot.
4. Calculate the isoelectric point of your sample. a) What is the definition of isoelectric point? b)
Where would you find the isoelectric point on a titration curve?
5. What is the identity of your unknown amino acid? Justify your conclusion by comparing the
observed molecular weight and pKa values to those for all of the amino acid
Titration is a useful tool in the determination of amino acid side chains and the ionizable groups. There are two titratable groups for the unknown amino acid. These are α-COOH and α-NH₃⁺. The experimental pKa values for the groups are- pK₁ = 2.35 for α-COOH and pK₂ = 9.78 for α-NH₃⁺.
What is Isoelectric point?Amino acids are the organic compounds that contain both amino and carboxylic acid functional groups. Isoelectric point (pI) is the pH at which the net charge on an amino acid is zero. The isoelectric point of the given amino acid can be calculated by the formula:
pI = (pK1+pK2)/2 = (2.35+9.78)/2 = 6.065
Isoelectric point will be in the middle part of the curve in the buffer region. Buffer region is the section of curve between the initial point and the equivalence point.
The unknown acid would be glycine. The curve gas two dissociation steps- loss of H⁺ from the carboxyl group at low pKa value and gain of H⁺ by the amino group at high pKa value.
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And you choose this answer?
Two test tubes labeled A and B
We set up another experiment in which we added the following enzymes:
Test Tube A = cellulase and Test Tube B = amylase. When the substrate
from the enzyme lab is added what would you expect to see happen in
each tube?
An enzyme-catalyzed reaction initially progresses at a faster pace as substrate concentration rises. This rise in rate of a reaction levels off as the substrate saturates the enzyme molecules.
An enzyme's concentration increases along with the speed of an enzyme-catalyzed process. The breakdown of the polysaccharide starch (amylose) into the disaccharide maltose is catalyzed by the enzyme amylase. Although it is easily abundant in saliva, obtaining high amounts might be uncomfortable. It is found throughout plant tissues, but it is most prevalent in seed, where that might play a role in starting the conversion of starch that has been stored into the much-needed glucose in enzyme-catalyzed process. The most prevalent organic polymer on earth is cellulose, a polysaccharide made up of a linear chain of 1,4-linked d-glucose subunits with such a degree of polymerization ranging from few hundreds to over ten thousand. An enzyme-catalyzed process is created when an enzyme binds to its substrate. This complex provides certain ions or chemicals groups that really establish chemical bond with molecule as a crucial stage of the reaction process, lowering the energy of activation and promoting its quick progression.
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If someone helps me with this I will give brainiest.
Answer: One reason is the Co2 (Carbon Dioxide) in the air may cause the algae growth.
Explanation:
Carbon dioxide has been known to cause excessive blue or green algae.
Antibodies are a Y-shaped protein that are secreted by the immune system to identify and neutralize pathogens in vertebrates. Antibodies have an antigen binding site that allows for binding to surface proteins found on a specific pathogen, called antigens. All cells have identifying protein markers on the surface that specify whether it’s foreign or a part of the same organism. Some pathogens have the ability to alter their antigens, preventing antibodies from identifying them.
Which of the following arguments is BEST supported by this information?
A
The shape of an antigen allows for antibodies to identify the cell, indicating that the shape of the protein provides specificity.
B
The binding site of an antibody can be altered to accommodate more pathogens.
C
Antibodies must be a complex protein because it is only found in vertebrates.
D
Pathogens can release their own antibodies to fight off host immune system.
Why would overfishing cause a starfish outbreak
Answer:
quote, "Cause of crown of thorns starfish outbreak
These outbreaks may be a result of overfishing of the crown-of-thorns starfish's primary predator, the giant triton or they may be a natural phenomenon. These starfish are known to be more successful at preying on large swaths of coral reefs when the corals are already stressed."
Crown-of-thorns Starfish - Oceanahttps://oceana.org
Explanation:
The effects of different conditions on carrying capacity
if abiotic or biotic factors change, the carrying capacity changes as well, natural disasters can destroy resources in an ecosystem. if resources are destroyed, the ecosystem will not be able to support a large population. this causes capacity to decrease.
Kelp is a representative of the
Answer: Seaweed.
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Describe how a hypothesis and a design are similar.
A hypothesis outlines your expectations for the results of your investigation. It is a speculative, untested response to your research question. You might need to develop a number of hypotheses for some research projects that speak to various facets of your research issue.
A hypothesis should be founded on accepted ideas and body of information; it shouldn't just be a wild guess. Additionally, it must be testable so that you can use scientific research techniques to either confirm or disprove it (such as experiments, observations and statistical analysis of data). A relationship between two or more variables is proposed by a hypothesis. Anything the researcher modifies or controls is referred to as an independent variable. An observation or measurement made by the researcher is a dependent variable.
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Question 3 (5 points)
How many centimeters are in 5.7 meters?
Answer:570
Explanation:
There are 100 centimeters in one meter so if we have 5.7 meters we would multiply that by one hundred to get our answer of 570.
what by-product is produced when cereal grains are being screened and cleaned, which has a quite variable composition?
The by-product which are produced when cereal grains are being screened and cleaned are bran and endospermic tissue which are removed from the cereal grains.
What are cereals?Cereals are the staple food that are the major source of nutrition for the whole world. The bran of cereal is obtained from the process of milling as by-product and it contains various advantages such as they contain health promoting constituents such as minerals, vitamins, dietary fibers, polyphenols, as well as phytosterols.
Cereal grains are used for the food of humans and they are the basic source of food for humans and it has a great variety and majority is used directly. They are also great source of food for animals.
Therefore, The by-product which are produced when cereal grains are being screened and cleaned are bran and endospermic tissue which are removed from the cereal grains.
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7. Heat tolerance in flies is a heritable trait. The variation in heat tolerance across a population of flies can be measured by subjecting groups of 100 flies to different temperatures and measuring the percentage of flies that survive. The following graph shows the distribution of heat tolerance across one species of fly living in hot desert regions of Africa. Predict what will happen to the size of this population and its allele frequency if a massive heat wave descends on the area in the future, bringing daily temperatures to 42°C and lasting several months of time.
All flies that can't tolerate 42°F will die. Only high-temperature-tolerant alleles are handed down.
'This is further explained below.
What are alleles?Generally, One of two or more variants of a DNA sequence (either a single base or a segment of bases) at a specific position within the genome is known as an allele.
In conclusion, All of the flies in the population that are unable to withstand temperatures higher than 42 degrees Fahrenheit will perish. Only those alleles that are responsible for high-temperature tolerance will be passed down to subsequent generations.
The populace will get used to the heat.
The survival curve will begin to ascend after a few months have passed.
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2. For
Mass number -
Atomic number-
Na
Sodium
22.989 7492
-Symbol of the element
Atomic mass
how many protons the atom has? How many neutrons? How many electrons?
Answer:
Na
Protons = 11
Electrons = ( protons = electrons )
= ( 11 = 11 )
= 11
Neutrons = ( Mass index - protons )
= ( 23 - 11 )
= 12
Explanation:
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Question 13
Imagine you are exploring a new planet and discover a plant-like organism which does not have chloroplasts. Which of the
following statements would be TRUE about the organism?
O It may not be capable of photosynthesis.
O It still has all the appropriate organelles to photosynthesize like an earth-based plant.
O It uses different wavelengths to photosynthesize than earth-based plants.
O It does not store energy as glucose
Chlorophyll, a pigment found in chloroplasts, is what allows plants to prepare food through photosynthesis. There would not have been any plant life if there were no chloroplasts.
Chlorophyll, which is found in chloroplasts, traps light and aids in photosynthesis. Without chlorophyll, there would be no food, which would mean no life. We wouldn't have food if plants lacked chloroplasts since they couldn't use the sun's energy to stay alive. On the other hand, mammals would not have enough cellular energy and would not be able to exist without mitochondria. The process of photosynthesis is carried out by some plants that lack chloroplasts.
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State 3 characteristics of a lipid.
Answer:
Fats, oils, and lipoproteins
How does a fast moving stream respond and adjust to changes?
Answer:
A stream does not respond and adjust to changes,
Explanation:
because it does not react to changes in environment.
Bobby drives 1,200 miles in 8 hours what is his average speed (s=d/t)
Answer: 150 mph, no explanation needed, just simple math
Answer:
150
Explanation:
1,200 divided by 8 is 150.
Hope It Helps
Sorry If I'm Wrong
an atom total number of electrons gives its
What molecule did Woese and Fox use to construct their polygenetic tree?
Answer:
16S ribosomal RNA
Explanation:
Carl Woese used the 16S rRNA gene to discover the third major domain of life, the archaea.
What is the difference between sickle-cell
DNA sequence and normal DNA sequence?
Answer:
the difference is that a normal DNA sequence is stronger than a sickle cell DNA
Explanation:
Question 14 of 25
The development of cars has been good in some ways and bad in others. The
car has allowed for better transportation but it is also responsible for a great
deal of pollution. Which activity helps solve the pollution problem through the
use of new technology?
OA. Encouraging people to walk more
OB. Encouraging people to ride a bus
O C. Building fewer cars
OD. Building cars that give off less pollution
SUBMIT
Answer:
the bus they are riding also causes harm to nature and it will make most people very tierd