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. Consider each of the pairs shown below select all that correctly paired the level with an appropriate example.
A) organ: heart
B) cell: neuron
C) tissue: blood
D) organ: muscle
E) organ system: small & large intestines, stomach, pancreas, gall bladder
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Answer:
B) Tissue is made of different types of cells.
D) Organs are made of different types of tissue.
Explanation:
The tissues are made of different types of cells. The organs are also made of different types of tissue. There is no need of same types of tissues to make organs. Thus, option (B) and (D) is correct answer.
Related Questions
The secondary ossification center in a long bone is located in the:.
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Answer:
epiphyses
Explanation:
How does nitrification occur in nature, starting from gaseous Nitrogen?
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Answer:
Either through bacteria or lightning
Explanation:
Nitrogen can be converted directly to nitrates through lightning.
It can also be converted to ammonia (NH3) through free-living nitrogen fixing bacteria e.g Azotobacter or fixed on plants by symbiotic micro-organisms e.g Rhizobium. The Ammonia formed is converted to Nitrites (NO2) by nitrifying bacteria e.g Nitrococcus bacteria. The Nitrites are converted to nitrates by other nitrifying bacteria e.g Nitrobactor
Number 3? Someone pls help me
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Answer:
option C
Explanation:
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Answer to 21?………………….
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Answer:
its the first one is the correct answer
Answer:
They use ribosomes and molecules inside a host cell to reproduce
Explanation:
Viruses also known as the host cell and use its resources to make more viruses, basically reprogramming it to become a virus factory. Because viruses can't reproduce by themselves which also means without a host viruses are not considered living.
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what's dark reaction? explain in brief
Answers
Explanation:
any of a series of chemical reactions in photosynthesis not requiring the presence of light and involving the reduction of carbon dioxide to form carbohydrate especially : Calvin cycle
Why is rna incorporated into the dna molecule during dna replication?.
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Answer:
The use of this RNA as a template allows telomerase to extend the 3′ end of chromosomal DNA by one repeat unit beyond its original length. The complementary strand can then be synthesized by the polymerase α-primase complex using conventional RNA priming.
Explanation:
hello humans ~
Which among the following is not the function of lysosomes?
A. Breaking down of food particles.
B. Protection against the pathogens.
C. Perform photosynthesis.
D. Digest worn-out cells.
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Answer:
C. Perform photosynthesis.
Explanation:
Lysosomes are membrane-bound organelles that can degrade biomolecules such as proteins, carbohydrates, nucleic acids, and lipids
Hope it helps!!! brainliest pls!!!The earth is located _______ of the Milky Way galaxy.
Answers
Answer: The earth is located at the edge of the Milky Way galaxy.
Hope this helps!
5. a) The human body produces hundreds of different enzymes. Why can't one type of enzyme be used
everywhere in the body? (4 points)
b) Pepsin is an enzyme in the stomach that helps break down proteins. What problems would you expect a
person to have if his or her stomach did not have enough pepsin? (2 point)
Answers
a) A single type of enzyme could not be used in every region of the body because the body is not a single celled organism, it is a multicellular organism and each cell needs special and specific care in order to function.
A single type of enzyme could not control all the different systems of the body. Different enzymes and specialized cells have the responsibility to carry out specific functions so that the body can properly operate. One type of enzyme could not manage the excretory, digestive, reproductive, skeletal systems etc as these regions of the body require distinct attention and assistance to keep the body regulations active and to maintain proper health.
b) Problems expected of someone who lacks pepsin would be a protein deficiency. This would be present by way of weak and brittle bones and overall immuno compromised health.
Another problem expected would be stunted growth and development. As an individual is not receiving the right and recommended amount of digested protein, their bodies will lack the nutrients to properly grow as they age.
bats vs skunks. Who will win?
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Answer:
Probably a bat because it has the advantage of flight something a skunk cant do. And yes although the skunk can shoot its gas all the bad has to do is avoid it right? But bats don't sense gas they sense sound since they don't have good vision. But they can sense heat and since a skunks defense is a huge pile of heat it can steer clear and beat the skunk.
Explanation:
Using x-ray crystallography, as well as other methods, the researchers watson and crick discovered the ________________ structure of dna.
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Answer:
Double-helix.
Explanation:
To insert a DNA segment into a plasmid, it is necessary to cut and stick the DNA molecules. Which enzymes are essential for this to happen?
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Answer:
Restriction enzymes and DNA ligase are often used to insert genes and other pieces of DNA into plasmids during DNA cloning.
A word that descibes air with a lot of water vapor is
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Answer:
humidity
Explanation:
Answer:
Humid
Explanation:
When the air is humid, it has a lot of water vapor in it.
Which category of veins are the main conduit for blood, are surrounded by muscle, and have an accompanying artery
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In photosynthesis conducted by plants, atp is made by.
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Answer:
is synthesized in the thylakoid membrane of the chloroplast.
Explanation:
Which statement best describes living off the grid?
Group of answer choices
living in isolation to refuse industrialization
living carefree to have great adventures in life
living independently without utilizing public utilities
living in isolation but with high dependence on public utilities
Which is NOT a reason why many people consider living off the grid?
Group of answer choices
to have more privacy
to develop self sufficiency
to cut down on increasing utility bills
to join the fad of living sustainably
Answers
Explanation:
living in isolation to refuse industrialization
Stages of mitosis?? 20 points!!!
Not sure what goes with what it’s like a matching game please help
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Answer:
prophase- G1, S, G2, M
telophase- chromosomes condense and nucleus dissolves. centromeres and spindle fibers move into position
metaphase- lines at middle
anaphase- separated by spindle fibers and nuclear membrane regenerated
cytokinesis- splitting of cytoplasm
The Colorado River carved out a deep canyon in the habitat of an Abert’s squirrel population. This is an example of which stage of speciation? Question 3 options: The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring. The populations successfully interbreed. The populations become totally separated from one another. The populations are isolated and thus do not interbreed.
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The correct answer is the populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
A species is a populace whose participants can interbreed and bring fertile offspring. Reproductive isolation takes place while a populace splits into corporations and the 2 populations now do not interbreed. When populations grow to be reproductively isolated, they could evolve into separate species.
What is speciation?Speciation is the evolutionary manner via way of means of which populations evolve to grow to be awesome species. The biologist Orator F. Cook coined the time period in 1906 for cladogenesis, the splitting of lineages, rather than anagenesis, phyletic evolution inside lineages.
Hence concluded that the populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
To know more about speciation refer to the link :
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Answer:
The answer is C) "The populations become totally separated from one another."
Explanation:
I took the test! This is right.
Which organisms in the food web are primary consumers?
sparrow, owl, ladybug, grasshopper
grub, mouse, sunflower
mite, grasshopper, caterpillar, grub
owl, sparrow, mouse
Answers
Answer:
mite, grasshopper, caterpillar, grub
Explanation:
These are all examples of primary consumers because they only eat autotrophs (plants).
How many kinds of organisms are there
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Cellular respiration is a ______________process where the bonds in food and __________ molecules are broken, and molecules are rearranged to form new compounds that can provide _____________ to muscles
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Answer:Cellular respiration is a chemical process in which the bonds of food molecules and oxygen molecules are broken and new compounds are formed that can transport energy to muscles.
Explanation:
What do the letters A, G, C, and T represent in nucleotides ?
A) phosphate groups
B) deoxyribose sugars
C) nitrogenous bases
D) ribose sugars
Answers
Answer:
C) nitrogenous bases
Explanation:
A = adenine
T = thymine (DNA only)
C = cytosine
G = guanine
:)
Answer:
C) nitrogenous bases
While doing field research, two scientists discover a new species of plant. They take the plant back to their lab to watch how it grows and reproduces. Soon, the plant begins to produce a small purple flower. Upon further investigation, the scientists discover that the plant's seeds contain two embryonic leaves. Which group could the plant belong to
Answers
A dicotyledonous plant is an angiosperm that produces flowers and their seeds contain two cotyledons. The new species belong to the dicotyledonous group.
What is an angiosperm?
Angiosperms are woody or herbal plants, with a wide diversity of biotypes. Among many other characteristics, we can mention the followings,
They have flowers that can be either hermaphrodites or unisêxual, usually protected by perianth leaves.
During fertilization, pollen grains get in touch with the ovule. They have double fertilization.
They produce seeds from ovules protected in ovaries or closed carpel cavities.
They can be either monocotyledonous or dicotyledonous since seeds have one or two cotyledons.
What are dicotyledonous plants?
Dicotyledonous are one type of angiosperms. Among many other characteristics, we can mention the followings,
Their seeds carry two embryonic leaves -cotyledons-.
They have a primary root from which many secondary roots emerge.
Their stem is ramified, and their leaves have a reticulated vein system.
According to the description, the new plant species belong to the dicotyledonous angiosperm group.
You can learn more about dicotyledonous at
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A bacterial culture grown in a glucose-peptide medium causes the pH to increase. The bacteria are most likely
Answers
Answer:
using the peptides
i hope that helps
Give 3 reasons why plasmids are considered ideal vectors.
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Answer:
Self-replicating: Plasmids contains origin of replication and hence they are able to multiply by themselves independently of the chromosomal DNA. They maintain their number in progenies.
ii) Low molecular weight: Plasmids have low molecular weight which makes them easy to handle and hence can be present in multiple copies.
iii) Multiple Cloning Sites: This is a site on plasmid which has recognition sites for many restriction enzymes.
iv) Selectable Marker: Plasmid has certain genes which help in identifying the transformed cells. For example, antibiotic resistance genes.
v) High copy number: Due to low molecular weight of plasmids, they are present in multiple copies. High copy number plasmids are require to produce large quantities of the recombinant DNA.
vi) Host range: Plasmids used as coning vectors have narrow host range so that transmission of these plasmids to other organism in environment is avoided.
Explanation:
Plasma makes up approximately what percentage of whole blood?.
Answers
Answer:
55%
Explanation:
Plasma constitutes 55% of total blood volume. Composed of 90% water, salts, lipids and hormones, it is especially rich in proteins (including its main protein albumin), immunoglobulins, clotting factors and fibrinogen.
Which of the following choices distinguishes an oxbow lake from a deep meander? (1 point)
A: A deep meander forms over soft rocks that are easily eroded. An oxbow lake forms where the river meets the ocean.
B: A deep meander is formed by erosion. An oxbow lake is formed by deposition.
C: A deep meander forms near the source of a river where water is fast-moving. An oxbow lake forms near the mouth of a river where water is slow-moving.
D: Water from a river flows through a deep meander. An oxbow lake is cut off from the river and contains still water. .
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Explanation: For an oxbow lake to occur, there has to be and existing meander already. The necks break on the meander and deposition causes the lake to be separate from the river.
Answer:
B
Explanation:
give the girl/boy up there all credit.
A doctoral student is studying the genetic makeup of a species of jellyfish that occurs at low, middle, and high latitude regions of the Pacific Ocean. On an
oceanographic expedition, she collects specimens of the jellyfish throughout its range Upon returning to the laboratory at the university, an assistant places all of the
Jellyfish in an aquarium with an average temperature of approximately 20'C. After a few days, he notes that almost two-thirds of the jellyfish have died. Using the figure
below, how would you explain which jellyfish likely make up the bulk of the survivors and what the mistake was?
A. The survivors were likely collected from the dark gray areas on the map. those from other regions could not adapt
B. The survivors were likely collected from the light gray areas on the map those from other regions could not adapt.
C. The survivors were likely from the black areas of the map but had the most advantageous genes of those collected.
D. The survivors were likely from the black areas of the map but adapted to the difference in temperature in the laboratory.
Answers
The survivors were likely collected from the light gray areas on the map those from other regions could not adapt. That is option B
The effect of temperature change on organismsThere are some organisms such as plants and animals that are capable of changing and adjusting to different environmental conditions.
Aquatic animals such as jellyfish can adapt to warmer ocean waters, but not necessarily to extreme heat or extreme cold weather. That is, it can survive the temperature of 12 - 24°C as indicated in the figure.
But some species of jellyfish that has adapted in extreme cold and extreme hot weather, may find it difficult to abruptly adapt to an average weather.
Therefore when placed in the 20°C aquarium, they couldn't survive because of the temperature of the new environment.
Learn more about temperature change here:
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You are studying the enzyme alcohol dehydrogenase in a population of Drosophila. The allele frequency of the fast allele is 0.3 and the allele frequency of the slow allele is 0.7. Assuming the population is in Hardy Weinberg equilibrium, what is the expected frequency of heterozygotes in the population
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Natural resource is the base of our survival
Answers
Answer:
water shelter food and air
Explanation:
we cannot survive with output these