please help 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?
A.
myofibril
B.
muscle fiber
C.
myoneural junction
D.
tendon
E.
fascicle
Answer:
C. Myoneural Junction
Answer:
myofibril
Explanation:
got it correct!
Which two show that onions are not non living and in fact are living
- they respond to stimuli
-engage in movement
-able to reproduce
- use energy
Answer:
- they respond to stimuli
- able to reproduce
Explanation:
hope I helped
Which organisms are prokaryotes?
A. archaea
B. fungi
C. protists
D. plants
A AAAAAAAAAAAAAAAAAAAA
ARCHAEA
14. Which of the following correctly lists the levels in an ecosystem from largest to smallest?
a. Ecosystem, community, population, individual
b. Community, ecosystem, population, individual
C. Population, ecosystem, individual, community
d. Ecosystem, population, community, individual
Answer:
(a) Ecosystem, community, population, individual
is right answer I think
Which parts of the water cycle are caused by the force of gravity?
Answer:
Participation.
Explanation:
Both are moving downwards. Participation falls from the sky.
Select the correct answer. Which allgnment of the Sun, Moon, and Earth causes a lunar eclipse? А.Sun Earth Moon B.Sun Moon Earth C.Moon Sun Earth D.Earth Moon Sun
Answer:
sun earth moon
Explanation:
earths shadow blocks suns light and the moon reflects the light
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What differentiates passive transport from active transport?
Answer:
Active Transport: Active transport pumps molecules through the cell membrane against the concentration gradient.
Passive transport, also known as passive diffusion, is a process by which an ion or molecule passes through a cell wall via a concentration gradient, or from an area of high concentration to an area of low concentration.
Explanation:
Movement of sugar into the cell is an example of _____
Answer:
The answer is Diffusion.
Explanation:
Diffusion is a net movement of molecules or ions where it moves from a region of high concentration to a region of low concentration.
In this case, cell has a lower concentration than sugar solution.
True or False?
Substitutions can lead to frameshift mutations.
True
False
Answer:
false
Explanation:
because substitution it can't lead
Answer:
True
Explanation:
I did some
research
What is the result of homeostasis at the cellular level? *
A The cell dies.
B The environment within the cell is stable.
C The cell no longer obtains energy
D The cell divides.
B - The environment within the cell is stable.
Homeostasis is when your body works to maintain equilibrium (balance) so within a cell, the cell would be stable
Answer:
I think its B
Explanation:
Homeostasis is the act of maintaining everything so its the same, like body temp.
Through what protein can water cross the cell membrane
Answer:
(b) Carrier proteins are more selective, often only allowing one particular type of molecule to cross. A specialized example of facilitated transport is water moving across the cell membrane of all cells, through protein channels known as aquaporins.
Explanation:
Answer:
aquaporins(b) Carrier proteins are more selective, often only allowing one particular type of molecule to cross. A specialized example of facilitated transport is water moving across the cell membrane of all cells, through protein channels known as aquaporins.difference between bat and dove
Answer:
Explanation:
Bats are webbed structured flying animals while birds are feathered winged animals. Bats are mammals, so they don't lay eggs, compared to birds that are known as egg-laying animals. When flying, bats don't flap their forelimbs completely compared to birds.
Please help me! 10 points
Why is it important to melt the gold to make a jewelery? Why can't we use solid gold to make jewelery, why melt it? *
Write in your words donot copy paste from google
Answer:
you melt it so that you can mold it into the shape of jewelry.
Explanation:
you can't mold solid gold!
How is cell differentiation different than mitosis?
A. Cell differentiation produces cells with different gene expressions.
B. Cell differentiation does not cause proliferation.
C. Cell differentiation only occurs after a wound.
D. Cell differentiation produces cells with different DNA.
Answer:
A. Cell differentiation produces cells with different gene expressions.
How do doctors detect abnormalities in patients with the help of an EKG?
A.
by determining changes in the heartbeat
B.
by determining changes in blood pressure
C.
by determining changes in blood components
D.
by determining changes in arterial blood flow
Reset Next
Answer:
A. by determining changes in the heartbeat.
Answer:
determining heartbreak
Which of the following is not a reason for cell devision?
A. DNA cannot be copied quickly enough in large cells
B.The cell gets too big to process and transport nutrients
C. Surface area to volume ratio becomes to large
D.New cells are needed for growth
Answer:
C
Explanation:
thats not true
Meiosis produces which cell type?
haploid
diploid
chromosome
somatic
Answer:
it produces haploid cells
Explanation:
hope this help :D
what is human inference?
Answer:
How humans draw conclusions.
Explanation:
One student made this incorrect diagram of the rock cycle. Which of these statements best describes a method to correct the diagram? (1 point)
A.Interchange the labels inside ovals A and B
B. Interchange the labels inside ovals A and
C. Interchange the labels on the arrows 5 and 1.
D. Interchange the labels on the arrows 2 and 4.
According to the diagram of the rock cycle, the flaw can be corrected by interchanging the labels inside ovals A and B. The correct option is A.
What do you mean by the rock cycle?The processes which involves the production and alteration of the different types of rocks that are found in the Earth's crust that make up the rock cycle.
The three main forms of rock include igneous, metamorphic, and sedimentary rocks. These are formed and decomposed according to various applications of heat and pressure on them throughout the time, and this process-based network is known as the rock cycle.
The reason the diagram for the many types of rocks and how they change is shaped into a circle gives rise to the name rock cycle. It resembles the rocks that goes through a cycle in certain ways. According to their location and circumstances, it appears that the rocks are recycled continuously and are transformed into various forms of rocks.
Therefore, according to the diagram of the rock cycle, the flaw can be corrected by interchanging the labels which are inside ovals A and B.
Therefore, the correct option is A.
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why a termeric stain on a white shirt is turned to red when it is washed with soap
Answer:
Curry contains turmeric powder and soap is basic in nature. ... Hence, when soap (which is basic in nature) is scrubbed on the stain, the stain turns red. When the cloth is washed with plenty of water, the soap is removed and the yellow colour of the stain reappears.
Explanation:
What are some ecological events that would impact cellular respiration?
Ex. A drought would effect photosynthesis.
Answer:
Temperature, glucose availability, and oxygen concentration.
Explanation:
:)
Which statement best describes the significance of meiosis to sexual reproduction?
A. It produces haploid gametes, with half the number of chromosomes.
B. It creates organisms with better adaptability to the environment.
C. It allows all types of cells to produce two sets of identical chromosomes.
D. It produces up to eight diploid cells, each with the same number of chromosomes.
In meiosis sexual reproduction produce haploid cells to produce gametes and chromosome number is reduced, hence option a is correct.
What is meiosis in sexual reproduction?Gametes or sex cells, which are needed for sexual reproduction are created during meiosis.
It deactivates the sporophytic information while activating the genetic information for the production of sex cells.
Meiosis is a kind of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this procedure is necessary.
Therefore in sexually reproducing organisms meiosis is important to produce gametes, hence option a is correct.
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how does carbon moves from the atmosphere to the biosphere?
Answer:
Via a range of pathways, carbon travels from one storage reservoir to another. In the food chain, for example, plants, by photosynthesis, transfer carbon from the atmosphere into the biosphere. Respiration, excretion, and decomposition release the fuel, continuing the cycle, back into the atmosphere or soil.
Explanation:
Which graph shows a car is stopping at 1 stop sign to the next? (8th grade science)
Answer:
the answer to this complicated question is c
Mitosis is an important process for maintaining homeostasis in organisms. Which of the
statements below does NOT reflect a function of mitosis.
A. Contributing to the growth of organisms.
B. Responding to the loss of cells due to natural cell death.
C. O Producing gametes for sexual reproductive purposes.
D. Being the process for asexual reproduction in single celled organisms.
Answer:
C. Producing gametes for sexual reproductive purposes
Answer:
C. Producing gametes for sexual reproductive purposes.
Consciousness can best be described as __(blank)__.
a) Internal chemical systems that are regulated by a circadian rhythm
b) an ability to sleep and have lucid dreams
c) a lack of awareness of things going on inside or outside of yourself
d) an awareness of things going on inside or outside of yourself
Consciousness can best be described as an awareness of things going on inside or outside of yourself, hence option D is correct.
How consciousness is regulated?Wakefulness/arousal and awareness are frequently used as the two components that make up consciousness.
It appears that proper arousal levels and subsequently wakefulness, which is required for consciousness, depend on well-synchronized phases of awake and sleep.
Circadian rhythms are changes in the body, brain, and behavior that occur on a 24-hour cycle. Most living things, including animals, plants, and bacteria, are impacted by these natural processes, which predominantly react to light and darkness.
Therefore, the 24-hour cycle of normal physical, emotional, and behavioral changes that the body experiences.
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the table show five of the most common chromosomal abnormalities that occur during reproduction. each abnormality cause significant alteration to the genome of the individual in which they occur. analyze the information in the table and determine the genotype of the abnormality that will result in a male having some female characteristics
a) down syndrome;xy
b)edwards syndrome;xx
c) turner syndrome;xyy
d)kilinefelter syndrome;xxy
Answer:
d)
Explanation:
The abnormality that will result in a male having some female characteristics is Klinefelter syndrome that is Option D is the correct answer. The Klinefelter syndrome, which has XXY genotype. This disease affects only the male
What are the different types of chromosomal abnormalities?Chromosomal abnormalities are of different types; some are related to autosomes, and some are related to X and Y chromosomes. The down syndrome happens due to the trisomy in the 21st chromosome, which means instead of two chromosomes, there are three chromosomes.
In Patau syndrome, the trisomy is seen in the 13th pair of homologous chromosomes, and as a result, instead of two chromosomes, three are present. Klinefelter syndrome is associated with males who have an extra X chromosome. Infertility is observed as a result of this male display of female characteristics, such as behavioral changes. Turner syndrome is associated with females who have lost one X chromosome.
As a result, the correct answer is option D, which is Klinefelter syndrome, which is XXY.
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The typical growth period of a cell occurs during which stage of the cell cycle?
Answer:
Interphase
Explanation:
interphase is composed of G1 phase (cell growth)
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