Answer:
Two major categories of mutations are germline mutations and somatic mutations.Germline mutations occur in gametes. These mutations are especially significant because they can be transmitted to offspring and every cell in the offspring will have the mutation.
Somatic mutations occur in other cells of the body.
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Organisms that obtain and ingest organic molecules for their nutrition are classified as.
Answer:
Also refered to as consumers, heterotrophs are organisms that obtain their energy (nutrition) from organic compounds/materials. In other words, they are organisms that are unable to produce their own food (unlike autotrophs) and therefore have to consume/ingest organic compounds as a source of energy.
Energy from the sun causes water to evaporate from the land and from bodies of water. As this water vapor moves high into the air, the surrounding air cools it, causing it to condense and form ________________. *
a.runoff
b.evaporation
c.clouds
d.groundwater
Answer:
c. Clouds
Explanation:
It is the process called as condensation. Condensation is when the water vapor moves up to from clouds.
What happens in telophase of mitosis?
•This is the cell's normal functioning stage
•Chromosomes are on opposite sides of cell, nucleus is reforming
• Chromosomes line up in the middle
•Two separate cells are made
Which gymnosperm is often confused with a palm tree?.
Answer:
Cycads (phylum Cycadophyta)
Explanation:
Cycads (phylum Cycadophyta) resemble palm trees and grow in tropical climates. Gingko biloba is the only representative of the phylum Gingkophyta. The last phylum, Gnetophyta, is a diverse group of shrubs that produce vessel elements in their wood.
(I will put the correct answers for the whole quick check in the comments)
If you were analyzing a microscopic model of a freshwater ecosystem, what is one
autotroph you might encounter? (1 point)
O ciliates
o algae
O bacteria
O flagellates
Answer:
Explanation:
1. ecosystem
2. arthropods
3. Microscopic models move at a much faster rate than large-scale systems.
4. algae
100%
If you were analyzing a microscopic model of a freshwater ecosystem, one autotroph that you might encounter is an alga. Thus, the correct option for this question is B.
What is an Ecosystem?An ecosystem may be defined as a type of place or an area where individuals of different species live together and interact with one another for the purpose of food, shelter, and space.
According to the context of this question, algae are generally found in the freshwater ecosystem as well. They significantly utilize the nutrients from other water bodies and grow appropriately. While organisms like ciliates, bacteria, and flagellates are found in polluted or salty/marine water.
Therefore, if you were analyzing a microscopic model of a freshwater ecosystem, one autotroph that you might encounter is an alga. Thus, the correct option for this question is B.
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Strawberry jelly is a very strong solution of sugar. By contrast the cytoplasm in bacteria is a much weaker solution. The cell wall of bacteria is made up of a PARTIALLY permeable membrane. Would water flow from the microbe to the jam, or from the jam to the microbe by osmosis? Explain
Since the concentration of the jelly is higher than the concentration of the bacterial cytoplasm, water would flow from the microbe to the jam by osmosis.
What is Osmosis?Osmosis is the movement of water molecules from a region of low solute concentration to a region of high solute concentration through a semi-permeable membrane.
The strawberry jelly is a stronger solution than the bacterial cytoplasm.
Therefore, water would flow from the microbe to the jam by osmosis.
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what are some other types of trees that do not change color
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Coniferous trees are what you might generally refer to as pine or evergreen trees; they have thin, waxy needles instead of broad leaves. In stark contrast to they're deciduous counterparts, conifers needles don't change colors and aren't shed annually, but only every few years.
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Answer: There is a 100% chance of a heterozygous offspring, or an offspring with the allele Pp
Explanation: This percentage is calculated by looking at the total number of Pp divided over the number of possiblities. In this case there are 4 Pp, divided by 4 possible variations from the two parent alleles, making it a 4/4 or 1/1 orrr 100% chance of getting a Pp, or heterozygous offspring.
What structural feature makes the 20 common amino acids different from one another?.
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Question, what are Earth's major systems?
Answer:
geosphere (solid and molten rock, soil, and sediments), the hydrosphere (water and ice), the atmosphere (air), and the biosphere (living things, including humans).
Explanation:
In humans, having dimples in the cheeks is a dominant trait. If a child has dimples but only one of her parents does, what are the genotypes of her parents?.
Which enzyme is involved in the “part A” image? What is it doing?
Answer:
Enzyme activity is measured in units which indicate the rate of reaction catalysed by that enzyme expressed as micromoles of substrate transformed (or product formed) per minute.
Why are start and end amino acids encoded by only one codon?
Answer:
The nucleotide triplet that encodes an amino acid is called a codon. Each group of three nucleotides encodes one amino acid. Since there are 64 combinations of 4 nucleotides taken three at a time and only 20 amino acids, the code is degenerate (more than one codon per amino acid, in most cases).
Why is dna synthesis considered to be discontinuous? what are some other terms associated with discontinuous dna synthesis?.
Which type of metabolic reaction is an example of a process that does not require coupling to atp hydrolysis?.
In 1978, scientists studied how the fitness of marine sticklebacks would be affected if they were introduced into a freshwater environment. They collected 90 male and 90 female sticklebacks from a marine population and 10 male and 10 female sticklebacks from a freshwater population. The 200 sticklebacks were introduced into a freshwater environment that had no stickleback fish previously.
Recently a scientist decided to repeat this study, but relocated a population of sticklebacks from a freshwater environment into a marine environment. Which of the following best predicts how the frequency of the allele would change over time if a population of sticklebacks from a freshwater environment was placed into a marine environment?
The frequency of alleles in the population started low and continued to increase over time.
What is frequency of alleles?The frequency of alleles refers to the ratio of the number of times an allele occurs to the copies of all the alleles at that particular genetic locus in the given population.
We can see that the sticklebacks had a greater number of those introduced from marine to fresh water hence of the 200 sticklebacks, the frequency of alleles in the population started low and continued to increase over time.
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What rarely reacts with metals? acids , bases or both?
Answer:
bases
Explanation:
Bases don’t occasionally react with metals.
I hope It helps! Have a great day!
Lilac~
Bases rarely react with metals.
Do bases react with most metals?
Some metal reacts with a base to form salts and hydrogen gas. Most metals do not react with bases but zinc metal does because it is amphoteric. That is, it reacts with acids as well as bases. When sodium hydroxide solution is heated with zinc, then sodium zincate and hydrogen gas are formed.
Which metals do not react with bases?Metals form salts by transforming themselves into cations and combining with the anions present in the acids. Hence, not all metals react with bases, only amphoteric metals like zinc and aluminium react with bases.
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In addition to observing living organisms, Darwin studied the perserved remains of ancient organisms called
Answer: Darwin studied the perserved remains of ancient organisms called Fossils.
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What is the first procoagulant that the extrinsic and intrinsic pathways have in common?.
Answer:
Prothrombin is activated to thrombin.Factor X is the first procoagulant that the extrinsic and intrinsic pathways of the blood clotting system have in common. Thus, option D is correct.
What is the blood clotting pathway?Blood clotting is the process to stop the flow of blood from the injury. There are two pathways the extrinsic and the intrinsic that have Factor X as the common procoagulant.
Factor X or the Stuart factor is synthesized in the liver and interacts with the other procoagulant in the blood clotting pathway to form a clot and stop bleeding.
Therefore, Factor X is the common procoagulant in the intrinsic and extrinsic pathways of blood clotting.
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The complete question is attached to the image below.
In order to study genetic mutations, scientists must study genetic material. Which statement describes the genetic material scientists are most likely studying?.
Did the results of the cross match your prediction? If not, why do you think that was the case?
Question 1 of 10
Nucleic acids and carbohydrates are both types of what?
A. Proteins
B. Macromolecules
C. Atoms
D. Elements
SUBMIT
Answer:
the answer is B: macromolecules
:)
Explanation:
The fatty acid tails of phospholipids are ______ and are found in the ______ of the phospholipid bilayer.
Fungi often live in close association with other organisms in a nondetrimental fashion known as ______.
Answer:
ecosystem
Explanation:
because jt also needs other organisms for survival
How is a phylogenetic tree similar to a dichotomous key.
Answer: Phylogenetic trees are similar to the dichotomous keys because they used for identification and are artificial.
Answer:
Both focus on illustrating taxonomic relationships between organisms.
Explanation:
this is the correct answer
What is the end result of the eukaryotic cell cycle?
no parent cells and two daughter cells
one parent cell and two daughter cells
two parent cells and one daughter cell
one parent cell and one daughter cell
No parent cells and two daughter cells.
Answer:
The end result of the eukaryotic cell cycle is an increase in cell number.
Answer:
A. no parent cells and two daughter cells
Explanation:
Which of the following is an example of a nonspecific immune response? I. White blood cells that invade the area of a cut in the skin II. An injury triggers mast cells to release histamine, causing inflammation III. Killer T-cells destroy pathogens by recognizing proteins on cell surfaces.
Nonspecific is the innate immune response that is present since birth. White blood cells and mast cells are examples of non-specific immunity.
What is a nonspecific immune response?The non-specific immune response is the immunity present in the child from his/her birth and is a generalized response that employs white blood cells and mast cells for conferring the pathogens.
It is innate immunity that protects from the invasion of pathogens and provides the first line of defence by forming barriers.
It includes the invasion of the white blood cells in the area of any cut or injury or the release of the histamine from the mast cells in an injured area for the inflammation pathway.
Therefore, the statement I about white cells and II about mast cells are examples of the non-specific immune response.
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Explain the flow of information from DNA to RNA to proteins. What occurs at each stage of this pathway?.
Answer:
Adenine, thymine, cytosine and guanine are the 4 dna protiens, when they are being translated to RNA thymine is replaced with uracil, the now converted strands of rna clump together as animno acids and code for proteins
Explanation: