True or False? The branches of a phylogenetic tree aims to show proportionality of the amount of change between organisms over evolutionary time, but the branches of a cladogram generally do not.
Answer:
True
Explanation:
What structures of the knee joint function to separate and align the articular surfaces within the joint capsule
Answer:
Two menisci
Explanation:
They separate and align the femoral and tibial joint surfaces.
What are egg laying animals called
Answer:
Oviparous animals is ur ans
Explanation:
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What is a roundworm. A- earthworm. B.planarian. C. Nematode. D.tapeworm
Answer:
C. Nematode
Explanation:
Also called roundworms, Nematodes is a phylum of unsegmented, cross-sectionally round and reproducing dimorphic animal parasites. Females produce large numbers of eggs. Larvae develop through a series of molt shedding in soil or in hosts.
How does the body react to cold temperatures?
A.Your body shivers to help it maintain homeostasis.
B.Your body shivers to make the internal temperature balanced with the external environment.
C.ou body sweats to make the internal temperature balanced with the external environment.
D. Your body sweats to help it maintain homeostasis.
Answer:
Your body shivers to help it maintain homeostasis.
Explanation:
This answer is 100% correct
Body react to cold temperatures Your body shivers to help it maintain homeostasis.
The correct option is A
When exposed to cold temperatures, the body responds through various physiological mechanisms to maintain its core temperature and achieve homeostasis. Shivering is one of the body's natural responses to cold temperatures. Shivering is an involuntary muscle contraction and relaxation that generates heat, helping to warm the body.
When the external environment is colder than the body's internal temperature, shivering helps to increase heat production by the muscles, which helps to counteract the heat loss to the surrounding environment. This is an essential adaptive response to prevent the body from cooling too much and to maintain a stable internal temperature within a narrow range necessary for proper physiological functioning.
Hence , A is the correct option
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In a transformation experiment, a sample of E. coli bacteria was mixed with a plasmid containing the gene for resistance to the antibiotic ampicillin (ampr). Plasmid was not added to a second sample. Samples were plated on nutrient agar plates, some of which were supplemented with the antibiotic ampicillin. The results of E. coli growth are summarized below. The shaded area represents extensive growth of bacteria; dots represent individual colonies of bacteria.
1. Wildtype + No Amp: Lawn
2. Wildtype + Amp: No growth
3. Plasmid + No Amp: Lawn
Which of the following best explains why there is no growth on plate II?
A. The initial E. coli culture was not ampicillin-resistant.
B. The transformation procedure killed the bacteria.
C. Nutrient agar inhibits E. coli growth.
D. The bacteria on the plate were transformed.
The tomato you examine in the lab develops from what structure in an angiosperm?.
Answer: The flower
Explanation: Angiosperms, or flowering plants, exist in many forms such as orchids, apple trees, and even tomatoes. The flowers act as pollination stations, which attract bees and bugs, and other pollinators to fertilize the flower. Once fertilized, it begins to develop into a fruit. This is why you will see cherry blossoms, apple tree blossoms, and a multitude of other flowering plants and trees producing fruit. It's an excellent seed carrier and encourages animals to spread the seed to far and wide places through their poop!
Which of these animals is most likely to be infected with rabies in the United States
Cow - Horse - Hamster - Bat
How did scientists make glow-in-the-dark cats?
Answer:
Perhaps they injected bioluminescent Algi into the cat's DNA.
Explanation:
During which stage of a scientific investigation is data collected?
O evaluate the conclusions
O conduct an investigation
o analyze the results
O design an investigation
Answer:
B-conduct an investigation
Explanation:
I got it right on my test
20 points
a student carried out an experiment to determine how different concentrations of sucrose solution will affect osmosis. the student set up dialysis tubing bags of different sucrose concentrations. then the student massed the bags, placed them in beakers of distilled water for thirty minutes, and then removed the bags. the masses were taken again and the percent change for each bag was calculated. the results were graphed and are shown here. which statements best summarize the experimental data. choose all that apply.
a. low sucrose concentrations caused more water to move out of the bags
b. high sucrose concentrations cause more water to move out of the bags
c. low sucrose concentrations caused more distilled water to move into the bags.
d. high sucrose concentrations caused more distilled water to move into the bags.
e. there is a correlation between sunrise concentration in the bag and the rate of osmosis in the bag.
The inference is that high sucrose concentrations caused more distilled water to move into the experimental bags.
What is osmosis?It is the movement of water molecules from the region of high water potential (low solute concentration) to the region of low water potential (high solute concentration) through a selectively permeable membrane.
Thus, the higher the concentration of sucrose in the bag, the lower the water potential, and the more water molecules move into the bag.
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Answer:
D and E
Explanation:
Taking it rn, Hate test prep
why are dolphins and whales called mammals even they swim like fishes
Answer:
Both Whales and Dolphins are classified as mammals since they produce milk to feed to their young. Unlike other creatures in the sea, they also have warm blood, not cold.
Answer:
They are not fish, they are cetaceans! Unlike fish, they don't have gills, they are viviparous, which means they don't lay eggs and they produce milk for their babies. Also, they are warm-blooded.
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
A.I and II only
B. I, II, and III
C. ll only
D. l only
An example of a non-specific immune response is: A. I and II only.
What is a non-specific immune response?A non-specific immune response can be defined as a generalized response from a living organism to pathogen infections that typically involves the use of various white blood cells, as well as plasma proteins.
The examples of non-specific immune response.In Biology, some examples of non-specific immune response including the following:
White blood cells invading the area of a cut (injury) in the skin.An injury that triggers many cells to release histamine, thereby, causing inflammation.A macrophage that engulfs invading pathogen such as bacteria.Read more on pathogens here: https://brainly.com/question/1008643
Binary fission is the primary reproduction method of.
In plant cells, what are the holes between directly connected cells used for intercellular communication called?.
Answer:
However, they do have specialized junctions called plasmodesmata (singular, plasmodesma), places where a hole is punched in the cell wall to allow direct cytoplasmic exchange between two cells.
Explanation:
(i search it sorry if I'm wrong)
Choose how a cell recognizes only the signals meant for it.
Cells may have receptor proteins that respond to light and sound
O
Cells may have receptor proteins in the cytoplasm that respond to touch.
Cells may have receptor proteins of specific shapes that certain molecules fit in
Cells may have receptor proteins that repel certain sig
Answer:
Cells have different receptors that are specific for different molecules. Receptors can also respond directly to light or pressure, which makes cells sensitive to events in the atmosphere.
Explanation:
Which is the largest migratory wild reindeer herd in the world?.
Answer:
The Western Arctic caribou herd
Explanation:
In your own words, describe the three Law's of Motion.
Explanation:
There are Newton three law's of motion
1st) none of the object move form it's original position without any force acting on it
2nd) In the second law, the force on an object is equal to its mass times its acceleration.
3rd) For every action, there is an equal and opposite reaction
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Describe how a plant survives the change of seasons in a temperate deciduous forest. Write a short paragraph to explain your answer.
Answer:
Which environmental factor would likely lead to an increase in genetic variation in a population of squirrels?
What enzyme connects the new bases to the old bases.
Answer:
Ligase is the enzyme that binds the new bases in the DNA template to the old bases. Explanation: The ligase enzyme performs a vital function in the replication and repair of DNA. It joins Okazaki fragments, seals DNA repairs, and seals recombination fragments.
What is the most important factor in determining the type of volcanic eruption?
a.
The location of the volcano
b.
The type of magma
c.
The temperature of lava
d.
The shape of the volcano
Which characteristics is common to all three groups of reptiles?
They use claws for defense.
They protect their eggs.
They have moveable eyelids.
They are ectotherms.
How are earthworms and fish similar?
Answer:
The answer is D
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Fill in the blank with the correct relative pronoun. They chose the Lamborghini, ___________is an amazing car Group of answer choices that which who whom
Lymph in the cisterna chyli differs in composition from lymph in the general lymphatic stream in that it contains more ________.
Answer:
Lymph in the cisterna chyli differs in composition from lymph in the general lymphatic stream in that it contains more fat
Monarch butterflies were successfully reared where in 2009?.
Name two major types of mutations. What do they have in common? How are theydifferent? Give an example of each.
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.
An exocrine gland with a branched duct is said to be:.
An exocrine gland with a branched duct is said to be a compound exocrine glands.
Exocrine glands of the body systemExocrine glands are those glands or organs that secrete substances which are transported to its target site through a duct or open pores.
There are different types of exocrine glands which include:
Simple exocrine glands: They are comprised of branches that are not branched andCompound glands: They are comprised of branched ducts. Examples of compound exocrine glands are the salivary duct and pancreas.Therefore the exocrine gland with a branched duct is said to be a compound exocrine glands.
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How many phosphates would amp have attached to it?.
Answer:
A nucleotide is a nucleoside attached to 1, 2, or 3 phosphate groups. In the figure, when adenosine is attached to one phosphate, the structure can be referred to as AMP, adenosine monophosphate, and a nucleotide. When adenosine is attached to two phosphates, the structure can be referred to as ADP, adenosine diphosphate, and a nucleotide.
Explanation:
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How is pathogenic staphylococcus aureus distinguished from other species of staphylococcus?.
Given what we know, we can confirm that pathogenic staphylococcus aureus can be distinguished from other species given that it is coagulase positive.
What does it mean to be coagulase positive?This means that this exact type of bacteria has the ability to cause blood to coagulate, giving them their pathogenic nature. This can be extremely dangerous and even fatal to humans as it disrupts blood flow and leads to cardiac arrest.
Therefore, we can confirm that pathogenic staphylococcus aureus can be distinguished from other species given that it is coagulase positive.
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Mitosis consists of four phases. When do
these phases take place?
A. cell division
B. active transport
C. photosynthesis
D. respiration
Answer:
A. Cell Division
Explanation:
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