Describe what happens in budding
What does it mean to say that cells are “specialized”?
Hope this helps !!!
Explanation:
A cell is the basic unit of life. However, there are many different types of specialized cells. This means they are modified by size, shape, or function according to their purpose. Specialized cells make up tissues, tissues make up organs, and organs make up the systems that work together to make up our bodies.
Approximately how many mutations occur naturally in DNA per 10,000 bases?
Answer:
Modern methods indicate that the mutation rate is roughly one mutation per 10,000 genes per generation.
Explanation:
Answer: Approximately 1 - 2.
Explanation: I actually learned this. This is a fact.
Amino acids bond to each other using hydrogen bonds. true or false
Answer:
The correct answer is false
Explanation:
Why do scientists conduct experiments?
A. To test their results.
B. To explain an observation.
C. To test a hypothesis.
D. To test a conclusion.
Which of the forest management practices keeps the florist in a state of mid to late succession
D. seed-tree cutting
Select the correct answer.
Which important biochemical process receives a supply of NAD+ ions from the fermentation process during anaerobic respiration?
Answer:
Glycolysis
Explanation:
this is the chemical that recieves it
Jesse has recently started using methamphetamines. Which of the following is he risking by taking this drug? Stroke, Blood pressure, Common Cold, or Constipation?
Final answer:
Methamphetamine use can increase blood pressure and pose risks to the cardiovascular system. It can also lead to addiction, psychosis, and changes in brain structure and function.
Explanation:
Methamphetamine use poses several risks to the health of an individual. One of the risks associated with taking this drug is an increase in blood pressure. Methamphetamine is a stimulant that can cause vasoconstriction, which narrows the blood vessels and leads to an increase in blood pressure. This can put strain on the cardiovascular system and increase the risk of heart-related issues, including stroke. It is important to note that methamphetamine use can also lead to other adverse effects such as addiction, psychosis, and changes in brain structure and function.
Select the correct answer.
A skeletal muscle is a composition of several components bundled one into the other. At which structural level in the muscle does contraction occur
to bring about contraction in the whole muscle?
Answer:
The correct answer will be- myofilamants-actin and myosin.
Explanation:
The skeletal muscle is made up of the muscle fibers which are cylindrical cells enclosed by layers. The muscle cell is divided into smaller units, the smallest of which is myofilaments.
The myofilaments are composed of the thin filaments called actin and thick filaments called myosin which together forms the functional unit of a muscle known as the sarcomere. The muscle contraction takes place due to the sliding of these actin and myosin over each other as a result of the signals arrived from the CNS.
Thus, myofilaments-actin and myosin is the correct answer.
Question 3 of 10
2 Points
A paleontologist finds a plant fossil that shows evidence of a vascular
structure. What can the paleontologist conclude?
O
A. It was a sporophyte.
B. It was a gametophyte.
C. It was an ocean plant.
D. It was a land plant.
If a paleontologist finds a plant fossil that shows evidence of a vascular structure, he can conclude that it was a land plant. Thus, the correct option is D.
Who is Paleontologist?A Paleontologist may be defined as a scientist who is a specialist in the study of past life forms that existed in previous geologic periods, as represented by their fossils. The science that deals with the life of past geologic periods as known from fossil remains are known as paleontology.
Sporophyte plants are non-vascular plants such as Mosses. The gametophytes have no vascular tissues at all. Ocean plants are rooted in the soil deep in the soil. They do not have vascular tissues.
Land plants such as banyan trees, mango trees, etc. have well-defined vascular structures for the transport of food and nutrients from the soil to the entire plants.
Therefore, if a paleontologist finds a plant fossil that shows evidence of a vascular structure, he can conclude that it was a land plant. Thus, the correct option is D.
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Identify the types of mutations represented by the change in each DNA sequence.
What are Mendel’s three laws of inheritance
Answer:
Mendel's studies yielded three "laws" of inheritance: the law of dominance, the law of segregation, and the law of independent assortment. Each of these can be understood through examining the process of meiosis.
Poison dart frogs live in the rainforest. They produce a poison by eating toxic fire ants. The only known predator is a snake, Liophis epinephelus. Which of the following factors is most likely a density-independent regulator of population growth of poison dart frogs in the rainforest? clear cutting the rainforest limited food source susceptibility to disease increase in population of Liophis epinephelus
Answer:
The correct answer is CLEAR CUTTING THE RAIN FOREST
Explanation:
The factors that affect the survival of living organisms can be divided into two major groups, which are density dependent and density independent factors. Density dependent factors refers to those factors that their impacts depend on the size of the population. Example of such factors are food availability, predation, migration and diseases.
Density independent factors on the other hand refers to those factors that affect population size regardless of their sizes. Examples of such factors are temperature, natural disasters, human activities, etc.
In the question given here, the clear cutting of the rain forest is brought about by human activity and is an example of density independent factor.
The answer is A. Clear cutting the rain forest because it is a human activity and that does not depend on the population size of a place.
What do you write for “Introduction” in a biology lab report?
Answer:
Start by introducing your topic. What are you learning about? How will it impact your life or the lives of others? Give some context, or background information, to your audience if it is an uncommon topic. Try not to explain anything about your experiment or the data that you collected. Share what you were trying to find out, what your problem was. Conclude it by introducing how you started to research.
Which best describes the outcome of DNA replication? The new DNA molecule consists of one strand of DNA. The new DNA molecule accumulates a new strand of DNA with each replication. The new DNA molecule consists of one new strand and one old strand of DNA. The new DNA molecule contains new DNA, and the old molecule keeps the old DNA.
Answer:
The new DNA molecule consists of one new strand and one old strand of DNA
Answer:
The correct answer is the third statement.
Explanation:
The replication of DNA refers to a biological phenomenon, which produces two similar molecules of DNA that are the replicas of the original molecule of DNA. The double-stranded DNA gets distinguished into two template strands. Each of the template strand functions as a guiding strand for generating a counterpart known as a complementary strand.
The complementary and the template strands attach with each other to produce a new double-stranded DNA. Thus, the new molecule of DNA comprises one new strand (complementary strand) and one old strand (template strand) of DNA.
17. Matter is defined as anything that has
and volume.
atoms
mass
O molecules
energy
Mass and volume
(make me brainliest answer por favor)
Definition of matter:
physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
At higher elevations, the boiling point of water decreases, due to the decrease in atmospheric pressure. As a result, what could be
said about hard boiling an egg?
a. At higher elevations, it would take less time to hard boil an egg, because there is less atmospheric
pressure.
b. At higher elevations, it would take longer to hard boil an egg, because there is a lower boiling point,
the egg is boiling in water at a lower temperature.
c. At higher elevations, it would take less time to hard boil an egg, because there is a lower boiling point
Therefore it would take less time to achieve the boiling point.
d. At higher elevations, it would take longer to hard boil an egg, because it would take longer to achieve
the boiling point
b. At higher elevations, it would take longer to hard boil an egg, because there is a lower boiling point, the egg is boiling in water at a lower temperature. The correct answer is that at higher elevations, it takes longer to hard boil an egg because the water boils at a lower temperature due to reduced atmospheric pressure.
At higher elevations, the boiling point of water decreases due to the decrease in atmospheric pressure. When hard boiling an egg, this means that the water will boil at a lower temperature, so the correct answer is: b. At higher elevations, it would take longer to hard boil an egg, because there is a lower boiling point, the egg is boiling in water at a lower temperature.
The interaction between atmospheric pressure and boiling point is such that as pressure decreases, the boiling point also decreases. This means that at higher elevations where the pressure is lower, water does not reach as high a temperature when it boils compared to sea level, which implies that cooking an egg thoroughly will require more time as the temperature at which energy is transferred to the egg is lower.
Use the periodic table to identify the name of atomic number for each element below. (Give the name not the chemical symbol for each element)
Answer: Hafnium-72
15-Phosphorus
45- Rhodium
Osmium-76
Magnesium-12
Explanation:
Explanation:
Hafnium is a transition element and belongs to period six. It's atomic number is 72.
Element with atomic number 15 belongs to group 5 and period third. Name of this element is phosphorous. Symbol that represents phosphorous is P.
Element with atomic number 45 is a transition element and it belongs to period 5. Name of this element is rhodium and it is represented by the symbol Rh.
Osmium is also a transition element and belongs to period six. It's atomic number is 76.
Magnesium is a group 2 element and belongs to third period. Atomic number of magnesium is 12.
Hence, we can conclude that complete information in the given table will be as follows.
hafnium : atomic number 72
phosphorous : atomic number 15
rhodium : atomic number 45
osmium : atomic number 76
magnesium : atomic number 12
The movement of tectonic plates in two locations is described below: 1) Location A Tectonic plates push together. 2) Tectonic plates pull apart. Which statement is most likely true? A) ocean basins May form in both locations. B) volcanic eruptions May occur in both locations. C) ocean basins May form in location A but not in location B. D) volcanic eruptions May occur in location B but not in location A.
Answer:
The answer is D.
Explanation:
Plates which pull apart are known as divergent plate boundaries, while plates which push together are known as convergent plate boundaries. At divergent plate boundaries, magma flows up from the inner parts of the earth and flows out. When it cools and turns to stone, types of volcanoes are left. Magma is stored inside the volcanoes.
The diagram shows a cellular process in which a double-stranded molecule of nucleic acid gives rise to a single-stranded molecule of nucleic acid. Which best describes the process shown?
- RNA is translated into DNA.
- DNA is translated into RNA.
- RNA is transcribed into DNA.
- DNA is transcribed into RNA
Answer: dna transcripted into rna
Explanation: dna is double stranded and rna in single and transcribed has to do with rna while translated is with ribosomes
This process is called transcription and it involves the conversion of DNA into RNA using the enzyme RNA polymerase. Transcription happens in three steps: initiation, elongation, and termination.
Explanation:The process mentioned in the question, where a double-stranded molecule of nucleic acid gives rise to a single-stranded molecule of nucleic acid, is best described as: DNA is transcribed into RNA. In this biological process, known as transcription, the DNA serves as the template for synthesizing RNA. This happens in three steps: initiation, elongation, and termination. During initiation, the enzyme RNA polymerase binds to the DNA strand. In elongation, RNA polymerase moves along the DNA template strand, building the RNA molecule. Finally, in termination, the RNA polymerase reaches a sequence of DNA called the termination sequence, signaling the end of RNA synthesis.
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The number of bacteria in an experiment can be represented by f(x) = 4*,
where x represents the number of hours.
What is x when fx) = 64?
O
A. x = 3; In the 3rd hour there will be 64 bacteria.
. X = 16; In the 16th hour there will be 64 bacteria.
O
c. x = 60; In the 60th hour there will be 64 bacteria.
O
D. X= 4; In the 4th hour there will be 64 bacteria.
The number of bacteria is represented with a function,
[tex]f(x)=4^x[/tex]
The practise says [tex]f(x)=64[/tex] therefore,
[tex]64=4^x[/tex]
We can rewrite this,
[tex]4^x=4^3[/tex]
If bases are equal then exponents are too, from here the solution emerges,
[tex]\boxed{x=3}[/tex]
The answer is A.
Hope this helps.
r3t40
Answer:
The correct option is A.
Explanation:
The number of bacteria in an experiment can be represented by an exponential function
[tex]f(x)=4^x[/tex]
where, x represents the number of hours.
We need to find the value of x when f(x)=64.
Substitute f(x)=64 in the given function.
[tex]64=4^x[/tex]
It can be rewritten as
[tex]4^3=4^x[/tex]
On comparing both sides by get
[tex]3=x[/tex]
The value of x is 3.
Since f(3)=64 it means the population of bacteria is 64 in 3rd hour.
Therefore the correct option is A.
Explain how the tilt of Earth's axis of rotation, with respect to the sun, causes the seasons.
Use the cladogram about fish to answer the
following questions.
Bones
Jaws
Which of the following best describes the
organism located at point B?
does not have jaws
has bones, but not jaws
has bones
has jaws, but not bones
DONE
Answer: Has jaws but no bones
Explanation:
which species biological calssification translates to the goddess of hairy shellfish and was first discovered in the pacific ocean in 2005
Answer:
Kiwa hirsuta (aka the yeti crab).
Explanation:
Kiwa hirsuta is biological calssification translates to the goddess of hairy shellfish and was first discovered in the pacific ocean in 2005.
Which would be an adaptation in a rain forest, but not in a desert?
A. Ability to store water for a long time
B. Better eyes for hunting prey
C. Skin that blends in with green plants
D. Very small leaves to trap water
ANSWER:
The correct option is C: Skin that blends with green plants. Most animals in rain forests are green so that they can camouflage and appear like plants.
EXPLANATION:
Adaptation is the way in which animals survive in different climatic conditions and different regions. In rain forests, to protect themselves and to find food, most animals are green in colour. This prevents the animals from being spotted easily and therefore they are protected from hunters and other animals that eat them. This way, the animals can also find their prey and catch it easily.Answer: c <3
Explanation:
How do bacteria cause disease?
A. A bacterium injects its DNA into the genome of a host cell.
B. A bacterium reproduces inside a host cell and causes the cell to
break open.
C. A bacterium replaces the host cells with bacterial cells.
D. A bacterium releases harmful proteins or other poisons into the
host's body
Answer:
A Bacterium injects its DNA into the genome of the host cel. (Ans. A)
Explanation:
This stage of bacteria causing disease is known as Lytic cycle ,in this cycle phage 1st binds to the receptor present on the surface of the bacterial cell. Then the phage injects its DNA into the host cell and then protein synthesis and DNA coping occurs. The capsid proteins are stuffed with DNA to make lots of new phages particles.
All animals are A. autotrophs. B. biotrophs. C. heterotrophs. D. polytrophs.
Answer:
C. Heterotrophs
Explanation:
Heterotrophs cant make their own food. They cant make there own food so they eat animals and plats and all sorts of different things. Because of this heterotrophs are known as consumers. Anything that consumes/eats things are consumers.
17. Approximately how much of the world's population lives in cities?
A. 75 percent B. 25 percent C. 80 percent D. 50 percent
I think the answer is D im not 100 percent sure
Disturbances inside Earth’s core cause earthquakes. The starting point of the disturbance is called the epicenter. Why does the amplitude of a seismic wave usually decrease as the wave moves away from the epicenter?
Answer:
The energy released by the earthquake spreads throughout a larger volume of Earth.
Explanation:
At farther distances the amplitude of the seismic waves decreases as the energy released by the earthquake spreads throughout a larger volume of Earth. Also with increasing distance from the earthquake, the waves are separated apart in time and dispersed because P, S, and surface waves travel at different speeds.
How many miles are in half a light year
Answer:
2.939e+12 Basically 2.93 miles
Explanation:
If one light year equals 5.879e+12
then (.5) half of a light year equals 2.939e+12