Answer:
the right hemisphere
Explanation:
The images show fossils of a modern bird and two extinct organisms( a Tyrannosaurus rex and archaeopteryx). Based on the structure of the three organisms, it can be concluded that blank . The archaeopteryx and have wings, while dinosaurs have limbs. So, it can be concluded that blank.
Answer:
Many individuals consider that Archaeopteryx would have been the first bird, however, many paleontologists are against it. The findings of many fossils of Archaeopteryx have revealed that though the creature exhibited wings, the majority of its characteristics were of reptile, like the existence of full teeth set. Apart from this, the wings formation of the creature demonstrated that it was not completely capable of flying.
No matter what, the presence of wings makes them closely associated with the modern time birds. Thus, it can be concluded that Archaeopteryx could be considered as an intermediate between the reptiles and the birds and is a precursor to the modern-day birds' evolution.
Determine the correct sequence of events during the creation of recombinant DNA.
I. Plasmid is cut open with enzymes
II. Target gene is cut out with enzymes
III. Plasmid is inserted into the bacterium
IV. Target gene is bonded to the plasmid with Ligase
A. IV, I, II, III
B. II, I, IV, III
C. I, II, III, IV
D. IV, III, I, II
Answer:
I believe the correct answer to your question is A
IV, I, II, III
Which of the following biological macromolecules is correctly paired with one of its functions?
Choose ONE answer:
A. Proteins ----> provide cell structure
B. Carbohydrates ----> store genetic information
C. Nucleic acids ----> digest dead cells
D. Lipids ----> give quick energy to cells
Of the given options, proteins is correctly paired with its function, that is, provide cell structure.
What are proteins and their functions?They are the large and complex molecules, which perform many essential roles in the body. They perform majority of the function in cells and are needed for the structure and function of the cells. Apart from this, they also play an essential role in the regulation of the tissues and organs of the body.
Of the different kinds of proteins found in the body, the structural proteins provide structure and support for the cells. On a bigger scale, they also help the body in movement, for example, actin protein.
Thus, the correct answer is option A.
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Collections of lymphoid tissues, called MALT, are strategically placed throughout the respiratory, digestive, and genitourinary systems. Which one of these is located at the end of the small intestine?
a) appendix
b) Peyer's patches
c) tonsils
How is the earth protected from the sun’s particles? Select one: a. The earth’s magnetosphere protects it b. The sun is 93 million miles away, and the particles do not impact the earth. c. The earth is not protected from solar particles. d. The heliosphere protects the earth.
Answer: A.
Explanation: The Earth has a magnetic sphere that protects it from the sun's particles. Even though the particles take a while to travel to Earth, whenever they are deflected that is what causes the Northern Lights.
A storm brings two formerly separated populations of beetles together. They look very similar. Under the biological species concept, which of the following would show that the two populations are different species?
A. One population breeds in spring, the other in fall.
B. Males of the two populations have different flight patterns in courtship.
C. When individuals from the two populations mate with each other in the laboratory, the eggs fail to hatch.
D. All of the above is correct.
E. None of the above is correct.
Answer:
The correct option is D: All of the above is correct.
Explanation:
The biological species concept says that species are population groups that, in a real or potential way, can reproduce among each other and that are reproductively isolated from other groups.
Individuals belonging to a species cannot mate with members of other species, and if they do there is not any reproductive success.
The mechanisms of reproductive isolation might be divided in prezygotic and postzygotic.
Prezygotic or Premating mechanisms:
Ecological or due to habitat isolationSeasonal or temporal. This is the case described in option A "One population breeds in spring, the other in fall". These species are reproductively isolated because they differ in their breeding season.Sexual or ethological. This is the case described in option B "Males of the two populations have different flight patterns in courtship". Males belonging to each species behave differently during courtship. MechanicalGametes incompatibilityZygotic or Postmating Mechanisms:
Hybrid inviability. This is the case described in option C which states that "When individuals from the two populations mate with each other in the laboratory, the eggs fail to hatch". Eggs fail to hatch because the zygote is inviable. Hybrid sterilityHybrid decreased fertilityWhat is the type of mouth part found in the female anopheles?
Answer:
Piercing and sucking mouthpart
Explanation:
Hope it helps.
which of the following adaptions allowed plants to transport water and nutrients from the soil to all of the cells within the plant?
A. Vascular system
B. Leaves
C.Cuticle
D. circulatory system
Answer:
c
Explanation:
I took the test
Answer:
D. circulatory system
Explanation:
Circulatory system is the method of transport of plants and animals. It gives the plants nutrients and carbon dioxide in every cell and release waste products from their system.
What is the function of the central nervous system?
O A. To circulate blood throughout the body
O B. To relay signals from the spinal cord to the rest of the body
O C. To transport oxygen and nutrients to the brain
D. To process information about changes in the external or internal
environment
Answer:
To transport oxygen and nutrients to the Brian
List some characteristics of each type of seismic wave. Include what type of material (solids, liquids, or both) each can travel through. Primary wave: Secondary wave: Love wave: Rayleigh wave:
Answer:
The primary wave or the P wave is the fastest kind of seismic wave. These waves can travel through the fluids like the liquid or the water layers of the Earth, and solids rocks. It pulls and pushes the rock it moves through similar to the sound waves that pull and pushes the air. These waves are also called compressional waves, due to the pulling and pushing they do.
The secondary wave is also known as the S wave is slower in comparison to a P wave, and possess the tendency to move through the solid rock, however, not through any kind of liquid medium. The characteristic of the S wave helped seismologists to conclude that the outer core of the Earth is a liquid. The S waves help in moving the particles of rock side to side perpendicular to the direction of the wave or up and down.
The Love wave and Rayleigh waves are the two kinds of surface waves. These waves possess lower frequency in comparison to the P and S waves. Of the surface waves, the Love waves are the fastest surface wave and move the ground from side to side.
On the other hand, a Rayleigh wave rolls around the ground similar to the rolling of the waves across an ocean or a lake. Both these waves only travel through a solid medium.
What usually happens to the host’s DNA during the lytic cycle? It is destroyed. It is integrated with the viral DNA. It becomes a provirus. It is deactivated.
Answer:
It is destroyed
Explanation:
The lytic cycle of the viral life cycle is characterized by the destruction of the host's DNA. The infecting phage gains entrance into the host's cell synthesizes proteins that break down the host's DNA, and then utilizes its own DNA as the cellular DNA.
From there on, the phage takes over the cell's genetic mechanisms and utilizes it in the synthesis of the necessary proteins to manufacture new infecting structures.
Answer:
destroyed
Explanation:
Which animals are vertebrates
Answer:
Animal which have backbone in their body are called vertibrates. eg:tiger,human,bear
Answer:
Animals that have a backbone are vertebrates. those include mammals, birds, fish, amphibians and reptiles.
examples are humans, cows, snakes, frogs etc....
In captivity, tigers and lions have been known to interbreed and produce hybrids, known as ligers. Why does this NOT make them the same species, according to the biological species concept
Answer:
Explanation:
A cross between a tiger and a lion will produce an hybrids. During fertilization it has been observed that both the father and the mother contributes equally to the genetic makeup of the offspring this therefore will make the liger have 50%gene from the tiger and 50% gene from the lion which is different genetic makeup from the parents.
Since the parents are of two different species the offspring will always be of a different species because its makeup is genetically different from the two parents it is a combination of two species forming a new species.
If the parental species are the same i.e two lion or tiger the offspring will be of the same species but a combination of the parental gene.
Name the important endocrine glands present in our body
Answer:
The hypothalamus, pituitary gland, and pineal gland are in your brain. The thyroid and parathyroid glands are in your neck. The thymus is between your lungs, the adrenals are on top of your kidneys, and the pancreas is behind your stomach.
Explanation:
Hope this helps.
The endocrine system is made up of the endocrine glands that secrete hormones. Although there are eight major endocrine glands scattered throughout the body, they are still considered to be one system because they have similar functions, similar mechanisms of influence, and many important interrelationships.
These include...
Hypothalamus.
Pineal Gland.
Pituitary Gland.
Thyroid.
Parathyroid.
Thymus.
Adrenal.
Pancreas.
What is the main function of the human immune system?
O A. To protect internal organs and assists in movement
O B. To collect and respond to information about the internal and
external environment
O C. To protect the body against infection
D. To transport oxygen and nutrients to the body's tissues
Answer:
to protect the body from infection
Which amino acid chain will be formed by the codons shown below?
ACU CCA UCG
Messenger
Second base in codon
RNA Codons U
С
A
G
UUU UCU
UAU
UGU U
UUC
Phe
UCC UAC
Tyr
UGC
Cys
U
Ser
UUA
Leu
UCA UAA Stop UGA Stop A
UUG UCG UAG Stop UGG Tep G
CUU CCU CAU CGU
U
His
CUC ССС CAC) CGC
Leu
Pro
Arg
CUA CCA CAA CGA
A
Gin
CUG CCG CAG CGGI G
AUU) ACU
AAU
U
Asn
AGU
SC
AUC
lle ACC
AAC AGC
A
Thr
AUA ACA ААА AGA
AUGStart Me ACG AAG AGG
GUU GCU GAU GGU
U
Asp
GUC GCC GAC GGC
С
Val
Ala
Gly
GUA GCA
GGA A
GUG GCG GAG) GGG
G
c
First base in codon
= 0 < =0 < = conoco
Third base in codon
Lys
Arg
G
GAA Glu
A. Thr-Pro-Phe
B. Thr-Pro-Ser
C. Asn-Pro-Ser
D. Thr-Ser Pro
Answer:
the answer is b. thr-pro-ser
The amino acid chain which will be formed by the codons "ACU CCA UCG" will be Threonine-Proline-Serine. Thus, the correct option will be B.
What is amino acid chain?An amino acid can be defined as the fundamental molecule which serves as the building block for protein molecules in the body. There are about twenty different amino acid molecules present inside the body of an organism. A protein molecule consists of one or more chains of amino acid molecules called as polypeptides whose sequence is encoded in a gene.
Different codons are present in the cell which encodes for different amino acids. A codon is a set of three nucleotides which encode amino acid molecules. ACU codon encode for threonine amino acid, CCA encode for Proline amino acid, and UCG encode for Serine amino acid.
Therefore, the correct option will be B.
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what is scientific advancement? describe characteristics
Scientific or technological advancement is the generation of information or the discovery of knowledge that advances the understanding of scientific relations or technology. This definition encompasses the definition of scientific advancement, advancement of scientific knowledge and technological advancement. The only difference is that scientific advancement and advancement of scientific knowledge relate to science whereas technological advancement relates to technology.
Help pls. ive been stuck on this for a long time
Answer
Tundra: lichens and moose
Taiga: cone-bearing evergreens and timberwolves
Deciduous Forests: broad leafed trees and ptarmigans
Grasslands: grasses and hyenas
Rainforests: air plants and parrots
Desert: succulent plants and dingo dogs
hope it helps
How does cross pollination differ from self pollination?
Answer:
Cross pollination:
the transfer of pollen grain from anther to stigma that takes place between two different flowers of the same species.
Self pollination:
the transfer of pollen grain from anther to stigma that takes place at a single flower.
Hope this helps ;) ❤❤❤
Answer:
It assures that there is genetic variety within each plant species.
Explanation:
Not all of the members of everyday categories have the same. Most fish have gills, fins, and scales. Sharks lack the feature of scales, yet they are still categorized as fish. This is most problematic for the __________ approach to categorization.
Answer:
species to
Explanation:
answer the questions above
Answer:
Hey there!
3) Well injection is usually done through the vein because they need the substance to go into the blood.
4) Some people believe that the heart is on the left side because its the left ventricle and atrium responsible and when people hear left they think the heart is on the left.
5) People living in high altitudes don't get as much oxygen so their bodies evolved into carrying ,more RBC so more oxygen is carried into their bodies.
Hope this helps :)
What three different genotypes are possible for an individual in this population
Answer:
With alleles 'A' and 'a' there are three possible genotypes AA, Aa and aa
Explanation:
Pls mark as brainliest answer
Which characteristic is one of the three main characteristics used to classify igneous rocks?
Answer: Texture
Explanation: the rate at which the rock had cooled when molten magma was cooling gives out a clear comparrison of the rocks which is the texture
Answer:
Explanation:
Texture
PLEASE HELP! An original dna strand has the following base sequence: taggtaact What base sequence would be produced through dna replication? A B C D
The correct answer is D. ATCCATTGA
Explanation:
In DNA, there are four nucleobases: guanine (G), thymine (T), adenine (A), and cytosine (C). Additionally, these bases form pairs as guanine aligns with cytosine, and adenine aligns with thymine. This base pairing principle is essential in replication because complementary bases are required to create a new strand or replicate DNA.
According to this, if the sequence is TAGGTAACT, the complementary sequence is ATCCATTGA because, in this way, each base matches with the complementary base.
T (Thymine) is paired with A (Adenine)
A (Adenine) is paired with T (Thymine)
G (Guanine) is paired with C (Cytosine)
G (Guanine) is paired with C (Cytosine)
T (Thymine) is paired with A (Adenine)
A (Adenine) is paired with T (Thymine)
A (Adenine) is paired with T (Thymine)
C (Cytosine) is paired with G (Guanine)
T (Thymine) is paired with A (Adenine)
What is endocrine system? What are its functions? Name the important endocrine glands present in a human body. Draw a labelled diagram to show the positions of these endocrine glands in the human body (male/female)
Answer:
endocrine system produces hormones required to coordinate reactions in the body.
Nitrogen-fixing bacteria in the roots of soybeans help provide a source of nitrogen to the plants, and in exchange, the bacteria obtain food from the plants. Which type of interaction is this
Answer:
symbiotic relationship
Explanation:
A symbiotic relationship is a relationship in which the members of the relationship get benefits from each other....... In roots of leguminuous plants , the bacterias are the only source for nitrogen by plants & in turn plants provide food to bacterias
Tachycardia, decreased or absent breath sounds on the affected side, hyperresonance, and sudden chest pain on the affected side are clinical manifestations of:__________
A) Sarcoidosis
B) Pneumothorax
C) Hypersensitivity pneumonitis
D) adult respiratory distress syndrome
Answer: Option B.
Pneumothorax
Explanation:
Pneumothorax occurs when air buildup between the chest wall and the lungs thereby leading to increased pressure in the chest and it inturn decrease the amount of blood that flow back to the heart because the blood find it difficult to force it's way into the chest and the heart. This is cause by injury to the chest, lung danage, rupture air blisters and mechanical ventilation.
The symptoms include decreased or absent breath sounds on the affected side, hyperresonance, and sudden chest pain on the affected side , racing heart, shock.
When a pneumothorax is large, a needle or tube is used to remove excess air.
The paranasal sinuses are lined with a membrane that creates mucus during allergies or the common cold. Presence of mucus and swelling of the membranes can cause a "sinus headache." If Regina has a cold and she feels the pain of a sinus headache inferior to her eyes, which bone is housing the affected paranasal sinus?
Answer:
The maxillary sinus, that is, the sinus located in the upper jaw, would be affected.
Explanation:
Sinusitis is a very traditional disease that is associated with headache, discomfort, and increased mucus making.
The causes can be viral or bacterial or even by some inhaled noxa, sinusitis of this type is bilateral, different from sinusitis of dental cause that are usually unilateral.
The paranasal sinuses are the sinuses that pneumatize the head, that is, they generate an internal air current in the bones to be able to heat and disinfect them from those noxas that are inhaled (that is why they are covered by a ciliated mucosa that drags the noxa to the outside and also its structure is pseostratified with mucous cells that secrete mucus enveloping the noxa).
Another function of the paranasal sinuses is to be able to alleviate the weight of the head, since the shell and the bones that remain in the head formation are very heavy, thus generating these cavities filled with air to alleviate the feeling of "heavy head" "When they become inflamed and filled with mucus, they are obliterated or with a reduced space, so the head feels heavier for some people.
The paranasal sinuses are the maxillary sinuses that are in the upper jaw, the sphenoid sinuses that are in the sphenoid, the ethmoid sinuses that are in the ethmoid and the frontal ones that are in the frontal bone that is vulgarly called as the forehead.
identify the sphere wher life first emerged on earth hydrosphere, lithosphere, atmossphere
Answer:
hydroshere
Explanation:
hydro=water
Answer:
you're answer would be hydrosphere
Explanation:
Life on Earth, emerged in the hydrosphere, at least from the findings and data so far. The reason for that was that the atmosphere and the lithosphere were still in a faze were they were not very hospitable for any living organisms to develop. The hydrosphere, or the water bodies, on the other side, were enabling conditions for life, not perfect or as we have today, but still reasonably good, so the life started developing into the water environment, and after the atmosphere and lithosphere changed over time, it spread on them as well.
hope this answer is correct :)
While studying a newly discovered prokaryotic organism, you notice that it uses binary fission to multiply. Based on your knowledge of the structures and processes of eukaryotes and prokaryotes, predict how this form of division would differ from mitosis and meiosis.
Answer:
Binary fission is different from mitosis and meiosis because it occur in prokaryotic cells. And prokaryotic cells does not have nucleus like the eukaryotic cells and there is not mitotic spindle formation during binary fission compared to mitosis and meiosis.
Explanation:
Binary fission is a process of cell division where a single cells divide into two or more parts and the parts regenerate into another organisms which resembles the parent organisms. This occur only in prokaryotic cells and is very different from mitosis and meiosis that occur in eukaryotic cells because prokaryotic cells lack nucleus and no spindle formation in the nucleus.
Mitosis occur in eukaryotic cells because they have nucleus and membrane bound organelles and is the process where a parent cell divide to produce two daughter cells that are genetically identical to the parent cell and each cell having the same number of chromosomes of the parent cell.
Meiosis is a type of cell division that occur in eukaryotic cells and it occur in sex cells where a single cell divide into four daughter cells with each having half number of parent cell chromosomes.