Answer:
An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms.
Explanation:
what is a phosphorelated nucleoside?
Answer:
Nucleosides can be phosphorylated by a displacement reaction between phosphate and an electrophilic carbon of a nucleoside. To render a carbon electrophilic, the hydroxyl group must be converted into a leaving group of some kind (e.g., a halogen or sulfonate ester)
Explanation:
muscle strains are most often located:
on the surface of the muscle.
under the surface of the muscle.
in the middle section of the muscle.
where the muscle meets the tendon.
Answer:
where the muscle meets the tendon.
Explanation:
I put the answer above and I got it wrong so this is the correct answer!!
:)
Muscle strains are most often located where the muscle meets the tendon. Therefore, the correct option is D.
Stretching or tearing of muscle fibers can occur when a muscle stretches or contracts suddenly or excessively. This often occurs at the musculotendinous junction, where the muscle attaches to the tendon. The area where the tendon meets the muscle is particularly prone to strain, because of the significant stress and tension that occurs there during muscle contractions and movements. Depending on the degree of muscle fiber damage, the intensity of a strain can range from mild to severe.
Therefore, the correct option is D.
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1) The biological levels of organization range from a single cell all the way up to the biosphere in a highly structured hierarchy. The biological hierarchy includes cells, tissues, organs, organ
systems, and organisms. Muscle is a type of tissue meaning it is made of groups of cells working together. However, the three types of muscle tissue are specialized for different functions.
What do all three types of muscle tissue have common? Select ALL that apply
A) Muscle cells all contract.
B) Muscle cells are all striated
Muscle cells all cause movement
D) Muscle cells are all cylindrical
E) Muscle cells all have one nuclei.
Answer:
A C D
Explanation:
Got it right
All three types of muscle tissue have three things in common: Muscle cells all contract; muscle cells all cause movement, muscle cells are all cylindrical; that is, they have the same similarities as options A, C, and D.
What are muscle cells?All three types of muscle tissue—skeletal muscle, smooth muscle, and cardiac muscle tissues have some common features, such as being composed of elongated cells and having the ability to contract and generate force that enables muscle tissue to cause movement, such as the movement of a limb, the beating of the heart, etc. Skeletal and cardiac muscle cells are striated, meaning they have alternating bands of dark and light regions, while smooth muscle cells are not.
As a result, muscle cells all contract; muscle cells all cause movement; and muscle cells all have cylindrical shapes, i.e., options A, C, and D.
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The period of revolution of the earth is called a ?
Orbit
Day
Year
Month
Answer:
Explanation:
A year is defined as the time it takes a planet to complete one revolution of the Sun, for Earth this is just over 365 days. This is also known as the orbital period. Unsurprisingly the the length of each planet’s year correlates with its distance from the Sun as seen in the graph above.
Answer:
a year
Explanation:
The amount of time it takes for a single trip around the sun is called a period of revolution. The period for the Earth to revolve around the sun is 365.24 days or one year.
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Did cellular respiration occur in trial 3 with the yeast and sugar?
Yes or no
14. How do your kidneys help maintain water-salt balance?
A. Both A and B
B. Controlling the frequency of urination.
C. Changing the concentration of your urine.
15. Which two systems are in charge of signaling within the body?
A. Nervous and endocrine
B. Integumentary and immune
C. Circulatory and respiratory
Answer:
14.A
15.c
Explanation:
air is made of ____and ____
Answer:
The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
Answer:
air is made of nitrogen and oxygen
How do the baby’s respiration and circulation change when the baby is born?
Answer:
Oxygen and carbon dioxide flow through the blood in the placenta. Most of it goes to the heart and flows through the baby's body. At birth, the baby's lungs are filled with fluid. ... Increased oxygen in the lungs causes a decrease in blood flow resistance to the lungs.
Which of the following is a biotic limiting factor? a. Fire b. Earthquake c. Hurricane d. Predators
- BRAINLIEST answerer
the process of breaking food is to release energy is called _____
Answer: cellular respiration
Explanation: I hope this helps
There are no ____________ in the ____________ , located where the nerve fibers of the ____________ leave the eye and enter the ____________ . Consequently, this region of the retina is commonly called the ____________
There are no PHOTORECEPTORS in the OPTIC DISC located where the nerve fibers of the RETINA leave the eye and enter the OPTIC NERVE. This region is commonly called the BLIND SPOT.
The retina is an important layer of nervous tissue that covers the inside of the eye, in which the sensation of vision initiates.
Photoreceptors are specialized cells within the retina that respond to light stimuli. In the retina, there are two types of photoreceptor cells: cones and rods.
The blind spot is a small portion of the visual field of the eye that localizes in the optic disk within the retina.
There are no rods or cones (i.e. photoreceptor cells) within the optic disk.
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Which bacteria are useful in converting milk into curd?
(A) Azotobacter
(B) E. Coli
(C) Lactobacilli
(D) Pseundomonas
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
The correct Choice is ~ C
Lactobacillus bacteria are useful in converting milk into curd ~
Answer: (C) Lactobacilli
Brainliest pls if correct!I need help with dis one too plz!!!question 5
Explanation:
4) option D
5) option A
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Please answer
Right the kingdoms for different categories for example if eubacteria is prokaryotic or eukaryotic.
Eubacteria: Prokaryotic - Single Celled - Consumers
Protista; Eukaryotic - Multicellular - Consumers
Fungi: Eukaryotic - Multicellular - Consumers
Plantae: Eukaryotic - Multicellular - Producers
Animalia: Eukaryotic - Multicellular - Consumer
how can natural disasters hurt the balance between biotic and abiotic elements??? I need an answer soon pleaseeeee!!! I know how it would affect the biotic and abiotic elements but the balance?!?
Answer:
Earthquakes, landslides, volcanic eruptions and natural bush fires all affect the many different ecosystems on our planet. Initially, these disasters negatively affect the biodiversity of wetlands, forests and coastal systems by causing the spread of invasive species, mass species mortality and loss of habitat.
WHAT IS THE ROLES DOES THE CYTOSKELETON PLAY IN LIVING CELL
Answer:
.
Explanation:
The cytoskeleton is responsible for contraction, cell motility, movement of organelles and vesicles through the cytoplasm, cytokinesis, establishment of the intracellular organization of the cytoplasm, establishment of cell polarity, and many other functions that are essential for cellular homeostasis and survival.
What are some of the differences between Eukaryotic and Prokaryotic gene expression? I need several answers.
Answer:
Prokaryotic
Nucleus is absent
Membrane-bound nucleus absent.
One chromosome is present, but not true chromosome plastids
Unicellular
Lysosomes and Peroxisomes absent
Microtubules absent
Endoplasmic reticulum absent
Mitochondria absent
Cytoskeleton absent
Ribosomes smaller
Vesicles present
Golgi apparatus absent
Chloroplasts absent; chlorophyll scattered in the cytoplasm
Submicroscopic in size Flagella is present and made up of only one fiber
Cell wall chemically complexed
Vacuoles absent
Permeability of Nuclear membrane is not present
Sexual reproduction is absent
Endocytosis and exocytosis are absent.
It may have pili and fimbriae.
Eukaryotic
Nucleus is present
Membrane-bound Nucleus is present.
More than one number of chromosomes is present.
Multicellular
Lysosomes and Peroxisomes present
Microtubules present
Endoplasmic reticulum present
Mitochondria present
Cytoskeleton present
Ribosomes larger
Vesicles present
Golgi apparatus present
Chloroplasts present in plants
Microscopic in size, membrane-bound
Cell wall is present in plants and fungi and chemically simpler
Vacuoles present
Permeability of Nuclear membrane is selective
Sexual reproduction is present
Endocytosis and exocytosis occurred
Pili and fimbriae are absent
Why is grafting considered asexual reproduction and not sexual
reproduction?
Answer:
The reason that grafting is not considered sexual is because there is no conjoining of male and female germ cells. (there is no germination like how sperm and egg cells do). So its considered asexual
Explanation:
How does pollution contribute to global warming?
O lt changes the direction of major currents.
O It forms a barrier that keeps in the sun's heat.
O It makes it harder for the sun's rays to reach Earth.
O It makes it more difficult for sea life to survive in the ocean.
Pollution contribute to global warming by (B). It forms a barrier that keeps in the sun's heat.
Meaning of Global WarmingGlobal warming can be defined as the process by which the earth surface is heated and its temperature is raised up leading to a climate change that affects all the inhabitants of the earth.
In conclusion, Global warming has done more harm than good and in recent times it has really led to a variation in climates
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Which statement contains inaccurate information about stem cells?
Stem cells are undifferentiated.
Stem cells are specialized.
Stem cells can make more cells of the same type through cell division (potentially indefinitely).
Answer:
The incorrect statement is stem cells are specialized.
Explanation:
By their nature stems cells are unspecialized because they are undifferentiated. This means that they have not yet been assigned a specific role in the body.
MENE
Which is the word equation for photosynthesis?
A. carbon + hydrogen + oxygen → glucose + water
B. glucose + water → carbon dioxide + oxygen
C. carbon dioxide + water → glucose + oxygen
D. glucose + oxygen → carbon + water + oxygen
Answer:
C. Carbon dioxide + water → glucose + Oxegyn
Explanation:
Number form 6CO2+6H20+ energy+ C6h1206+602
Carbon dioxide^ Water^ sunlight^ Glucose^ Oxegyn^
Which of the following characters can NEVER be an adaptation?
Answer:
ahh......
where r the options??
Chemicals that help chemical reactions occur faster rates in living organisms are known as
You are competing at a high school gymnastics meet. Your floor routine music begins
and you start running in a positive direction into a tumbling pass, starting from rest.
At 2s, your velocity is 4.5m/s. Calculate your acceleration.
Your Answer:
Answer
units
Answer:
2.25 m/s^2
Explanation:
Acceleration is the speed which you are increasing by per second. Therefore to find acceleration all you need to do is divide the change in velocity (4.5) by the time (2). Your units than become (m/s)/s or m/s^2.
NEED NOW
Why would I think dogs have unusual cells?
Answer:
Elevated white blood cell counts indicate infection, inflammation and some forms of cancer or leukemia. Low white blood cells counts can indicate viral infections, bone marrow abnormalities or overwhelming infections and sepsis (blood poisoning).
Say that you look at the nuclei of 100 skin cells taken from the same person. About how many of these skin cells would you expect to be in interphase
Answer:
45 cells would be in the interphase
In the nuclei of 100 skin cells. The number of skin cells would be in interphase is 45.
What are cells?Cells are the key unit of living organisms. The cell divides into many cells through the process of cell division.
Prokaryotic cells are the primitive type of cells that are present only in unicellular organisms, and they do not undergo cell division. These cells do not have true cell organelles and a nucleus, in that DNA is present in coil form in the cytoplasm. They contain ribosomes the organisms are bacteria that contain prokaryotic cells.
Eukaryotic cells are higher cells that contain cell organelles they have to perform various complex functions of large organisms. They have a nucleus which contains DNA or genetic material, it does not have flagella.
Therefore, the number of skin cells in the interphase is 45 cells.
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give a scientific explanation of evolution
Explanation:
according to DARWIN'S theory, evolution is derived from the parent's philosophy. meaning, the parents are offspring from an animal that mated with an (updated) version of that species...
Argumento la importancia de la clasificación de los seres vivos
How does respiration impact the amount of carbon in the atmosphere?
The process of respiration produces energy for organisms by combining glucose with oxygen from the air. During cellular respiration, glucose and oxygen are changed into energy and carbon dioxide. Therefore, carbon dioxide is released into the atmosphere during the process of cellular respiration.
Complete the Punnett square
1) BbEE
2) BbEe
3) BbEe
4) bbEe
The Punnett square is a diagram used to predict the genotypes of a particular breeding / etc. For example, in the top left BE and BE becomes BBEE because you take both letters and put them together. Here, the Bs will go first and the Es. In the one to the right of that, Be and BE becomes BBEe as you put the Bs and Es in order, but you also have to make sure that lowercase bs go after uppercase bs, and etc.
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