The evolution of numerous ecologically diverse species from a single ancestor in a relatively short time period, as seen in darwin's finches, is called _____.
20 points and brainleist to whoever answers each question.When did stem cell research become known? Who discovered stem cells? What experiments or studies have been conducted so far?
Which organ is responsible for most of the absorption of nutrients into the body?
A nurse is caring for a client diagnosed with schizophreniform disorder. the nurse demonstrates understanding of this disorder when identifying that the client is at risk for developing what?
The fact that the helixes of the dna strand are arranged in opposite directions gives dna its _____ characteristics.
Which study led biologists to infer that the ancient archosaur was active during the night? ancestral state reconstruction suggesting that these animals had red fluorescent protein ancestral state reconstruction suggesting that these animals had green fluorescent protein ancestral state reconstruction suggesting that these animals had opsins that were shifted toward the red molecular clock analysis suggesting little evolutionary change from the archosaurs to their nocturnal descendants molecular clock analysis suggesting a great deal of evolutionary change from the archosaurs to their nocturnal descendants?
What characteristics do geologists look for when observing a rock?
You are shooting at a moving target. you raise the shotgun and point where you think the target will be when the shot arrives. this method of shooting is called: swing-through sustained lead snap-shooting sight alignment
The method of shooting described is called sustained lead, where the shooter predicts the target's position when the shot arrives.
The method of shooting described in the question is called sustained lead.
When shooting at a moving target, sustained lead involves continuously tracking the target with the shotgun and firing at a point ahead of its current position,
where the shooter predicts the target will be when the shot arrives.
Sustained lead enables the shooter to account for the time it takes for the shot to reach the target,
ensuring a higher chance of hitting it.
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Answer to what type of arthropod appendage is comprised of a single series of segments attached end-to-end, rather than branching into two?
Appendages of the arthopods can be uniramous or biramous.
Further Explanation:
An arthropod is known to be an invertebrate animal with an exoskeleton, paired jointed appendages, and a segmented body. It forms the phylum called Euarthropoda that involves insects, crustaceans, and arachnids. They are characterized by jointed limbs as well as cuticle which are made up of chitin that is often mineralized with the calcium carbonate. The body plan comprises of segments, each having a pair of appendages. The hard cuticle blocks the growth and so arthropods substitutes it periodically by molting.
Arthropod leg refers to the kind of jointed appendage of the arthropods and it is usually used for the walking purposes. According to the appendages, arthropods can be biramous or uniramous. The uniramous limb consists of one series of segments linked from one end to another whereas, biramous limb branches into two and each of it comprises of the row of segments which are linked end to end.
The external branch or ramus of the appendages found in crustaceans refers to exopod or exopodite whereas the internal one is known as endopodite or endopod. The exopodites are completely absent in the insects while can be seen missing in amphipods and isopods.
Learn more:
Learn more about cell membrane https://brainly.com/question/5923583 Learn more about cell cycle https://brainly.com/question/1600165 Learn more about diffusion https://brainly.com/question/1386629
Answer Details:
Grade: High school
Subject: Biology
Chapter: Organism classification
Keywords:
Appendages, arthropod, biramaous, uniramous, exopod, insects, endopodites, segments, Euarthropoda, moulting, cuticle, chitin.
Which of these is a renewable resource?a)coalb)geothermalc)petroleumd)potash?
During exercise, you would expect blood vessels in her skeletal muscle to be ________ and the blood vessels in the digestive organs to be _______.
In which direction will water molecules (the small blue spheres) move across the membrane in the illustration shown here?
Answer:
B to A is the correct answer
credit goes to davidsilva2019
Explanation:
which organelle aids with the detoxification of the cell as well as makes lipids for cell membrane
Mitochondria
Golgi apparatus
Smooth endoplasmic reticulum
Rough endoplasmic reticulum
Correct answer: Smooth endoplasmic reticulum
Endoplasic reticulum is a membrane system that form a sac like structure in the cytoplasm of the eukaryotic cell. It is of two type rough endoplasmic reticulum and smooth endoplasmic reticulum
Rough endoplasmic contains ribosomes on their surface that’s why called as rough endoplasmic reticulum.
Smooth endoplasmic reticulum play an important role in lipid synthesis . In liver cells sooth endoplasmic reticulum contains enzymes that detoxify harmful drugs and metabolic by-products.
It play an important role in synthesis and storage of lipid including cholesterol and phospholipids.
The Smooth endoplasmic reticulum
The division of the autonomic nervous system that calms the body down after arousal and returns the body to a balanced internal condition is the ______.
Dehydrated bodies should be injected with a __________ solution; whereas edematous bodies would be injected with a __________ solution. why?
The enormous complexity of cells supports the theory of.. inetelligent design or evolution
Which is the most likely explanation for the membrane's asymmetrical nature?
In addition to producing orexin, the ________ monitors levels of the body's other appetite hormones.
a.hippocampus
b.amygdala
c.cerebellum
d.hypothalamus
The yellow fever virus replicates in lymph nodes and in other immune system cells. how does it arrive in lymph nodes
The yellow fever virus replicates in lymph nodes and in other immune system cells, the yellow fever pathogens reach the lymph node of humans from bite through mosquitoes.
Explanation:
The yellow fever is a viral disease that occurs for a short time, this disease is spread to the humans from mosquito's. Once it enters the blood stream through the bite of a mosquito it directly enters the blood stream and gets caught in the lymph nodes, these lymph nodes serve as sites for multiplication of these organisms.
Contrast the major differences between the organization of dna in viruses and bacteria versus eukaryotes.
Answer:
Viruses and bacteria have a very specific way of organizing their own genetic material inside themselves.
Explanation:
On viruses, this can vary a little bit, but most of them will have their genetic material not confinated in a nucleus, but so, spread along all of the cytoplasm. This can be because of very different reasons, and the bacteria have the same thing here, they too have their genetic material spread all across their cytoplasm.
Instead of that, eukaryotes have something that the scientists call the nucleus. This nucleus contains all the DNA a cell needs to produce the proteins for the body, but remember, the protein making process happens inside and out of the nucleus.
Which of the following best describes how the cells formed during mitosis compare to the cells formed during meiosis? Mitosis produces four genetically identical cells, while meiosis produces two genetically different cells. Mitosis produces two genetically different cells, while meiosis produces four genetically identical cells. Mitosis produces two genetically identical cells, while meiosis produces four genetically different cells. Mitosis produces four genetically different cells, while meiosis produces two genetically identical cells.
Answer:
Mitosis produces two genetically identical cells, while meiosis produces four genetically different cells.
Explanation:
Mitosis and Meiosis are both kinds of cellular division that occurs in all living cells, however, they are used for different purposes. Mitosis is a type of cell division that produces two daughter cells that are identical to the parent cell. They are identical in the sense that they contain same alleles of the same genes as the parent cells. It is usually used for growth, repair or REPRODUCTION in asexually-reproducing organisms.
On the other hand, meiosis is a type of cell division that results in four daughter cells with each having a reduced number of chromosomes as the parent cell (by half). It is employed by only sexually reproducing organisms to produce gametes. Meiosis occurs in a two-step division process resulting in 4 daughter cells. Meiosis increases genetic variation among species by producing gametes that are genetically different from the parent cell. This is achieved by a process called CROSSING-OVER, peculiar to meiosis, where chromosome segments are exchanged between homologous chromosomes (non-sister chromatids).
What is the name of the process in which glucose is converted to pyruvic acid?
Identify the simple organic molecule formed in the leaf and the process that produces it.
Final answer:
The simple organic molecule formed in the leaves during photosynthesis is glucose, produced through the conversion of sunlight, CO2, and H2O. If an unidentified organic molecule is part of plant cell walls and comprises only C, H, and O, it is likely a complex carbohydrate like cellulose.
Explanation:
The simple organic molecule formed in the leaf through photosynthesis is glucose, a simple sugar. This process occurs in the chlorophyll-containing plastids within the leaf cells, where sunlight, alongside carbon dioxide from the air and water from the soil, is converted into glucose and oxygen.
Photosynthesis: The Leaf's Sugar Factory
A leaf functions like a factory with specialized structures that capture sunlight. This energy is used in the chloroplasts, which convert the raw materials, CO2 and H2O, into the final product: glucose. This sugar is then used by the plant for energy or as a building block for more complex carbohydrates.
Identification of Unknown Organic Molecules
If an unknown organic molecule contains only carbon, hydrogen, and oxygen, and is part of the cell wall structure, it is likely to be a complex carbohydrate, such as cellulose. The cell walls of plants give them structure and support, and cellulose is a major component of these walls. It is a polysaccharide made up of long chains of glucose units.
which statement describes the formation of a protein molecule
Amino acids combine to form a protein chain. Hence the correct option is c.
Proteins are macromolecules composed of amino acid monomers linked together through peptide bonds. During the process of protein synthesis, amino acids, which have amino and carboxyl groups, join together through peptide bond formation. This peptide bond is established between the amino group of one amino acid and the carboxyl group of another, resulting in the formation of a protein chain or polypeptide. This sequential linkage of amino acids forms the primary structure of a protein, and the specific sequence of amino acids determines the protein's unique structure and function.
The amino acids are linked together by peptide bonds, forming a linear chain. This primary structure is just the beginning of protein folding and structure formation. As the polypeptide chain emerges from the ribosome, it begins to fold into a three-dimensional shape, driven by interactions between amino acid side chains. The final folded structure, known as the protein's tertiary structure, is critical for its function. Hence the correct option is c.
Complete question:
Which statement describes the formation of a protein molecule?
A. Fatty acid monomers combine to form a protein chain.
B. Amino acids dissolve monomers to form a protein chain.
C. Amino acids combine to form a protein chain.
D. Fatty acid monomers dissolve to form a protein chain.
A person who eats and sleeps too much is experiencing a depressive episode with __________ features.
Final answer:
A person who eats and sleeps too much is experiencing a depressive episode with atypical features. Seasonal affective disorder (SAD) is a specific type of depression characterized by increased appetite, excessive sleepiness, and weight gain during the winter months. Non-drug therapies for SAD include light therapy.
Explanation:
A person who eats and sleeps too much is experiencing a depressive episode with atypical features. Seasonal affective disorder (SAD) is a specific type of depression characterized by increased appetite, excessive sleepiness, and weight gain during the winter months. It is associated with decreased exposure to sunlight, which can disrupt the body's circadian rhythm and affect mood. Non-drug therapies for SAD include light therapy, where individuals are exposed to bright artificial light to mimic natural sunlight and regulate melatonin production.
Why is some fat essential for normal functioning?
Why are Earth's materials and energy considered to be in equilibrium? (can be multiple answers)
Earth's materials are recycled and reused constantly
Earth's materials are all divided in equal amounts
Energy is balanced and cannot be created or destroyed
Energy is always converted into usable forms
The correct answer is option A , C and D
The earths material is recycled and this can be visualized from the different chain cycles such as nitrogen cycle, carbon cycle , sulphur cycle, water cycle etc. These basic components which constitute all the matter existing on earth are continuously recycled and reused. Likewise the energy obtained from sun is neither created nor destroyed; it is only converted from one form of energy to the other form. Such as heat energy obtained from sun is converted into kinetic energy when it converts water into water vapor.
If a diploid cell has 12 chromosomes, how many chromosomes will each of its haploid daughter cells have after cell division?
a. 4
b. 6
c. 12
d. 24
What part of an amino acid makes it unique from other amino acids?
Final answer:
An amino acid's unique character comes from its side chain or R-group, which varies in size, structure, and properties, defining its polarity, charge, and hydrophilicity, and influencing protein assembly and function.
Explanation:
The part of an amino acid that makes it unique from other amino acids is its side chain or R-group. All amino acids share a common structure, which includes an amino group (NH2), a carboxyl group (COOH), a hydrogen atom, and a central carbon atom. However, the R-group varies between amino acids in size, structure, and properties, such as polarity, charge, and hydrophilicity.
For instance, amino acids like valine, methionine, and alanine have nonpolar, hydrophobic side chains, while others like serine, threonine, and cysteine have polar, hydrophilic side chains. Additionally, amino acids like lysine and arginine have positively charged side chains, which make them basic amino acids. These unique side chains influence how proteins are assembled and function.
Paisley wants to prepare a graph of the rate of growth of a lentil seedling. Which factors would be the independent and dependent variables?
A. The height of the lentil seedling would be an independent variable and the length of the leaves the dependent variable.
B . The height of the lentil seedling would be an independent variable and the time passed would be the dependent variable.
C. The time passed would be an independent variable and the height of the lentil seedling would be the dependent variable.