Blank 1 is protein digestion
Blank 2 is urine
Blank 3 is Viruses
Blank 4 is pathogens
Blank 5 Achilles tendon
Blank 6 atrium
What are 3 pieces of evidence to support the theory of endosymbiosis?
The theory of endosymbiosis states that the mitochondria and chloroplast were initially prokaryotes but were infused with anaerobic bacteria. It is simply the theory about the origin of eukaryotic cells.
Therefore, the three pieces of evidence that supports this theory include:
Mitochondria and Chloroplast have their own circular DNAThere exists double membrane in Mitochondria and ChloroplastThey have their own genomesRead more here:
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what is the name for the process in which the organisms best adapted to their environment survive? APEX!!!!!
A. upwelling
B. predation
C. keystoning
D. natural selection
Answer: D. natural selection
Explanation:
Natural selection can be define as the phenomena of differential survival and reproduction. In this the organisms having better phenotypic trait is likely to survive in adverse environmental conditions. Such organisms are expected to adapt in adverse conditions and hence they will survive.
The United States uses which source of energy to produce almost 40 percent of its electricity? A. solar B. water C. biomass D. wind E. coal
Answer: coal
Explanation: if you search it up online you can see that it will say coal because they have a lot of that to burn so try coal way better answer
Answer:
For plato family
E. coal
Explanation:
I just took the test
Which short-term environmental changes would a very small asteroid or comet impact on Earth most likely cause? Check all that apply. Flooding extinction craters on surface changes in weather patterns death of organisms and populations
Answer:
C, Surface craters
Explanation:
The others are all too drastic
A geologist out in the field comes across the landform pictured here. She identifies it as having steep slopes, which give it a higher elevation. The top, however, is relatively flat, so it has low relief.
What type of landform is this?
A) plain
B) plateau
C) mountain
D) valley
Plateau is an Area of Highland with Steep Slopes and is Relatively Flat on the Top.
The Type of Landform the Geologist came across is Plateau.
Answer:
b.) plateau
Explanation:
edge 2021
your two friends just told you what to order for them at the drive through fast food restaurant. You give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory.
A. semantic
B. flashbulb
C. long-term
D. short-term
I think I know but I'm not really sure
c hopes this helps jfhghfghrehrehrgkre
The diploid number of chromosomes in horses is 64. what is the haploid number of chromosomes in horses? 64 16 32 128
32
Haploid = Half
Diploid = Double
So...
64 ÷ 2 = 32
Answer:
C.32
Explanation:
You just divide 64 by 2
64÷2=32
Haploid=half
diploid=double
So horses have 32 haploids and 64 diploids
^U^
HOPE DIS HELPS
If a sculptor wanted to build a monument that would last for centuries, which combination of materials would she want to use?
Skeletal muscle fibers with the greatest endurance rely on ________ for energy.
A. anaerobic glycolysis
B. oxidative phosphorylation
C. lactic acid accumulation
D. ketone body degradation
The endurance of skeletal muscle fibers is powered by oxidative phosphorylation. This process generates the ATP necessary for prolonged muscle activity and is dependent on oxygen.
Explanation:Skeletal muscle fibers with the greatest endurance rely on oxidative phosphorylation for energy. This process is a part of cellular respiration, where energy from nutrients is converted into ATP (adenosine triphosphate), the primary energy currency of cells. This energy-providing pathway relies on oxygen, and it occurs within the mitochondria, an organelle often referred to as the 'powerhouse of the cell', allowing the muscle fibers to sustain their activity for longer periods without getting fatigued.
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All objects in the universe exert one particular force on all other objects this force is gravitational force
Gravity or gravitational forces are forces of attraction. That pull is gravity at work. Every object in the universe that has mass exerts a gravitational pull, or force, on every other mass. The size of the pull depends on the masses of the objects.
What is the science of describing, naming, and classifying organisms called?
Taxonomy is the science that involves describing, naming, and classifying organisms. It's a system developed by Carolus Linnaeus and uses a hierarchical structure to categorize organisms based on shared characteristics. It also includes the binomial nomenclature that assigns each organism a genus and a species name.
Explanation:The science of describing, naming, and classifying organisms is known as Taxonomy. This scientific discipline was developed by the Swedish botanist, zoologist, and physician named Carolus Linnaeus, who published his system of categorization, the Linnaean taxonomy, in 1735. It's a hierarchical model of classification that organizes organisms based on shared characteristics and can be as simple as color or as complex as genetic traits. From broadest to specific, the categories are: domain, kingdom, phylum, class, order, family, genus, and species.
A notable feature of taxonomy is binomial nomenclature, which assigns each organism two Latin names: genus and species. For example, in Felis catus (house cat), 'Felis' refers to the genus, while 'catus' points to the species. This system of naming allows scientists across different regions and cultures to have consistent terminology for organisms.
Taxonomy is more than just an accounting of species; it determines an organism's unique characteristics and helps in identifying where that organism fits in terms of other described species. This understanding and classification of the myriad of living species help conserve and harness the benefits from this biodiversity.
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When antigens are administered to produce immunity, why are different routes of administration considered?
a. Different routes allow the speed of onset of the antigen to be varied, with the intravenous route being the fastest.
b. Some individuals appear to be unable to respond to an antigen by a specific route, thus requiring the availability of different routes for the same antigen.
c. Antigen-presenting cells are highly specialized and thus require stimulation by different routes.
d. Each route stimulates a different lymphocyte-containing tissue, resulting in different types of cellular and humoral immunity.
Hai there :3
Your question is related to pathology.
When antigens are administered to produce immunity, different routes of administration are considered because each route stimulates a different lymphocyte-containing tissue, resulting in diff. types of cellular and humoral immunity (D.)
Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex? A organism, organ, organ system, cell, B tissue organism, organ system, organ, tissue, cell C cell, tissue, organ system, organ, organism D cell, tissue, organ, organ system, organism
Cancerous condition involving white blood cells
1. Thrombocytopenia
2. Embolus
3. Anemia
4. Polycythemia
5. Leukemia
Leukemia is a cancer that affects white blood cells and begins in the bone marrow. It results in the creation of a large number of abnormal, non-functioning white blood cells. This differs from other conditions such as Thrombocytopenia, Embolus, Anemia, and Polycythemia.
Explanation:The cancerous condition involving white blood cells is known as Leukemia. This type of cancer begins in the bone marrow and results in a high number of abnormal white blood cells. These abnormal cells do not perform the role of normal white blood cells, which is to fight against infections. Compared to other conditions such as Thrombocytopenia, Embolus, Anemia, and Polycythemia, Leukemia directly affects white blood cell production and functioning, making it the correct answer to your question.
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How do biozones help scientists determine the age of a rock unit? a specific biozone can indicate a particular type of past environment. a biozone can help trace the path of evolution over time. the relative age of the rock can be determined by the types of fossils it contains. the fossils in different rock layers are not related to each other?
The correct answer is that a biozone can help in tracing the path of evolution over time.
Biozone refers to a stratigraphic unit that comprises fossils in the layers of strata prevailed in a specific geologic period. It is termed as biozone as it signifies the number of biological taxa prevailed in specific strata. Thus, the changes in characteristics within the taxonomic groups in biozones can provide the indication of evolution with regard to time.
In pea plants, tallness (T) is dominant to shortness (t). What is the predicted genotypic ratio of the offspring if a homozygous shirt plant is crossed with a heterozygous y'all plant?
One similarity between DNA and messenger RNA molecules is that they both contain?
The genetic code found in DNA is where a protein's manufacturing instructions are kept. Transcription, a procedure that uses mRNA to read DNA, is referred to as transcription. After that, ribosomes process this mRNA to create proteins.
What similar between DNA and messenger RNA molecules?The fact that both DNA and RNA have a phosphate backbone, to which the bases attach, is one of their most notable commonalities. This backbone has a negative charge because of the phosphate group, which many genetic procedures take use of.
The genetic code is stored in both DNA and RNA. Large biological polymers like DNA and RNA both exist. The building blocks of DNA and RNA are sugar, nitrogenous bases, and a phosphate backbone.
Therefore, The bases guanine and cytosine pair on both molecules.
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Carbon dioxide is an example of an _____ transported by the cardiovascular system to excretory organs and tissue
Help will give brainliest
The heat-trapping ability of some gases in the atmosphere can be compared to
a.condensation because of heating.
b.the way glass traps heat in a greenhouse.
c.heating water on a stove.
d.the melting of snow.
name 2 essential roles that enzymes play in cells
Enzymes are macro molecular biological catalysts. They accelerate chemical reactions.
Enzymes break down waste and they also break down pyruvic acid.
Define what a fossil is?
A fossil is the remains of a prehistoric animal or plant, that turned into rock over many years.
A standard drink contains __________ of alcohol.
A. .6 grams
B. 6 grams
C. .6 ounces
D. 1 ounce
Answer: C. .6 ounces
In the United States, a standard drink is a criteria which states the amount of alcohol that should be present in an alcoholic drink. A standard alcoholic drink should contain 14 gram equivalent to 0.6 ounces of pure alcohol.
Final answer:
A standard drink in the U.S. contains 0.6 ounces of pure alcohol, which is equivalent to 14 grams. Varieties of alcoholic beverages have standard drink equivalents, like 12 ounces of beer or 1.5 ounces of distilled spirits.
Explanation:
A standard drink in the United States contains 0.6 ounces of pure alcohol. This translates to approximately 14 grams or 1.2 tablespoons of pure alcohol. The common alcoholic beverages that typically equate to one standard drink include:
12 fluid ounces of beer (approximately 5% alcohol).
8 to 9 fluid ounces of malt liquor (approximately 7% alcohol).
5 fluid ounces of table wine (approximately 12% alcohol).
1.5 ounces of 80-proof distilled spirits or liquor (e.g., gin, rum, vodka, whiskey), which is about 40% alcohol.
Being aware of what constitutes a standard drink is crucial for understanding alcohol consumption and its associated risks.
The elongation of the leading strand during DNA synthesis
A) progresses away from the replication fork.
B) occurs in the 3' → 5' direction.
C) produces Okazaki fragments.
D) depends on the action of DNA polymerase.
E) does not require a template strand.
The only correct one is D - depends on the action of DNA polymerase.
A - no progresses towards the replication fork (the "fork" opens up as elongation moves towards it)
B - the DNA template is READ in the 3' - 5' direction, but it is BUILT in the 5' - 3' direction
C - Okazaki fragments are only made on the lagging strand (because it is hard to make the DNA on that strand
D - YEP
E - Absolutely requires a template strand (otherwise we wouldn't exist!)
The elongation of the leading strand during DNA synthesis occurs in the direction away from the replication fork and depends on the action of DNA polymerase.
Explanation:The elongation of the leading strand during DNA synthesis occurs in the direction away from the replication fork, which is option A. Option B is incorrect because DNA polymerase reads the template strand in the 3' to 5' direction and adds nucleotides only in the 5' to 3' direction. Option C is incorrect because Okazaki fragments are produced during replication on the lagging strand, not the leading strand. Option E is also incorrect because the leading strand does require a template strand. The correct answer is option D, which states that the elongation of the leading strand depends on the action of DNA polymerase.
One important difference between the anatomy of roots and the anatomy of leaves is that
a. root cells have cell walls and leaf cells do not.
b. only leaves have phloem and only roots have xylem.
c. leaves have epidermal tissue but roots do not.
d. vascular tissue is found in roots but is absent from leaves.
e. leaves have mesophyll tissue but roots do not.
Answer: e. leaves have mesophyll tissue but roots do not.
Mesophyll tissues are found in the leaves of the plant, they are not found in roots. The primary role of mesophyll tissues is photosynthesis. Mesophyll tissues are made up of two types of cells.These include palisade parenchyma cells and spongy mesophyll cells. Palisade parenchyma cells are present beneath the upper epidermis of the leaf. They are elongated cells, which contains large number of chloroplast. The chloroplast helps in trapping sunlight energy.The spongy mesophyll cells are present beneath the palisade parenchyma cells and above the lower epidermis of the leaf. These are loosely arranged spherical cells, which consists of empty spaces or large pores and few chloroplast. The empty spaces or large pores helps in gas exchange between the internal and external environment of leaf.
Final answer:
Leaves have mesophyll tissue for photosynthesis, a feature that is absent in roots, making option e) the correct answer to the difference between the anatomy of roots and leaves.
Explanation:
One important difference between the anatomy of roots and the anatomy of leaves is that leaves have mesophyll tissue but roots do not. The mesophyll is the layer in the leaf where photosynthesis takes place, consisting of the palisade and spongy cells, and is not present in roots. Unlike the options suggesting roots or leaves lack certain cell types or vascular tissues, roots and leaves both contain epidermal, vascular (xylem and phloem), and various specialized cells that contribute to their respective functions. Roots are designed for anchorage, water and mineral absorption, and sometimes storage. On the other hand, leaves are primarily the photosynthesis sites, requiring mesophyll tissue for this process. Therefore, option e is the correct answer.
Dr. macpherson believes that the way students organize and think about the information in their textbooks will strongly influence their ability to later remember and use what they have studied. dr. macpherson's ideas most directly exemplify the _____ perspective. behaviorist
In the given question, the blank can be filled with cognitive.
The study of mental procedures like language use, attention, perception, memory, creativity, problem-solving, and thinking is known as cognitive psychology. In psychology, the cognitive approach is a comparatively modern approach towards human behavior, which aims at how one thinks. It presumes that one's though procedures influence the manner in which one behaves.
The cognitive perspective is related to mental procedures and understanding like perception, memory, problem-solving, and thinking, and how these are associated with behavior.
All living things are made of
a mercury.
b silicon.
c carbon.
d boron.
C. Carbon
Mercury is dangerous to humans
Carbon is the main element in organic compounds, so carbon is essential to life on Earth.
All living things are made up of c. Carbon
THE ONE ON THE LEFT
In a hydroelectric power plant, water is stored high above a turbine. As it falls, the water spins the turbine blades to generate electricity. Which form of energy does the stored water have?
A.
elastic potential energy
B.
gravitational potential energy
C.
radiant energy
D.
vibrational energy
Answer:
B. gravitational potential energy
Explanation:
If we talk about gravitational potential energy, it is the energy that a body or object possess due to its certain position in a gravitational field.
This energy is commonly used by an object that is present near the earth surface where the value of gravitational acceleration is around 9.8 m/s2.
If we talk about a hydroelectric power plant, where water is stored high above a turbine, it means it is at a certain height from the earth. Because water is stored high above a turbine but is starts to fall due to gravitational energy (GPE) towards the earth. When water falls this gravitational potential energy is converted into kinetic energy that moves the turbine. When the turbine moves, generator that is connected to it converts kinetic energy into electrical energy.
Thus the energy that is triggering the whole process is GPE, that is is why the most appropriate option is B: gravitational potential energy.
Hope it help!
________ is the backup energy molecule that can be rapidly converted to ATP in active skeletal muscle.
A. Protein
B. Glucose
C. Fatty acid
D. Phosphocreatine
Hai :3
What is the backup energy molecule that can be rapidly converted to ATP in active skeletal muscle?
The answer would be D. Phosphocreatine, because phosphocreatine plays a major role on energetic homeostasis in both active skeletal and cardiac muscles. Phosphocreatine is basically creatine but phosphorylated, and that is why it has such a name. It has the role of turning ADP (adenosine diphosphate) into ATP (adenosine triphosphate).
Remember, ATP is the currency of life! That is what my biology teacher taught me.
Phosphocreatine is the backup energy molecule that can be rapidly converted to ATP in active skeletal muscle. It donates high-energy phosphate groups to ADP to regenerate ATP, helping meet immediate energy needs during heavy or sudden exertion.
Explanation:The backup energy molecule that can be rapidly converted to ATP in active skeletal muscle is D. Phosphocreatine. When the body is at rest or engaged in low-intensity activity, ATP (adenosine triphosphate) is readily available. However, during sudden or intense physical activity, the ATP stores can quickly get depleted. To avoid exhaustion of ATP, the body keeps a backup energy molecule called phosphocreatine.
Phosphocreatine acts as a reserve of high-energy phosphate groups that can be quickly donated to ADP (adenosine diphosphate) to regenerate ATP. This quick turnover allows skeletal muscle cells to meet the immediate energy needs during heavy or sudden exertion, thus postponing muscle fatigue.
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Question 26
What are the structures labeled #1 and #2 in the diagram below?
A
centrioles; spindle fibers
B
chromosomes; centrioles
C
spindle fibers; centromeres
D
centrioles; sister chromatids
(PLEASE ANSWER)
Answer:
A . centrioles; spindle fibers
Explanation:
1. Centrioles are a cell organelle present in all animal cells in pair. In plant cells, centrioles are present in the male gametes of ginkgo, cycads, and bryophytes. They are normally present near the nucleus but can be seen only when the cell is dividing. Centrioles are made of a set of three microtubules. The microtubule is made of tubulin protein. Centriole forms and organize spindle fibres during cell division.
2. Spindle fibres are filaments which are formed during mitosis and meiosis. They are made up of microtubules and formed by centrioles. Spindle fibres formed at opposite poles of the cell and meet at the equatorial plane. They arranged like a spindle-shaped structure, so they named as spindle fibres. They help in moving and separating the chromosomes during cell division.
I need help with number 12