Answer:
Through this remaining period, until the conclusion of mitosis, the cell contains 92 chromatids. Only the G1 phase precedes the S phase and has half the amount of DNA as the rest of the cell cycle; therefore, cells in the G1 phase have the least amount of DNA.
In the cell cycle, DNA becomes half at the division phase, or M phase (mitotic phase). As a result, each daughter cell gets a copy of the genetic material of the parent cell.
How does DNA number decrease in cell division?In the S phase, DNA duplicates, and as a result, the DNA number becomes double. In the case of humans, there are a total of 23 pairs of DNA, or 46. In the S phase, the DNA number becomes double, which is 92. The chromosome number remains the same in S phase that is 46. Chromosome numbers are counted by their centromere number. The number of centromeres and chromosomes are same.
In the division phase (M phase), the cell divides and the duplicated chromosomes are separated to make daughter cells. As a result, the 92 DNA of a cell are divided into 46 DNA. Each daughter cell has 46 DNA, or 23 pairs in M phase. In mitosis each daughter cell has 46 DNA, while in meiosis each daughter cell has 23 DNA.
Hence, in M phase and especially in anaphase, the DNA becomes half.
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What occurs during the latent period of these isometric contractions.
Answer:
The latent period refers to the period of time, in which no force is generated, that elapses between the generation of an action potential and the beginning of muscle contraction. The contraction phase begins at the end of the latent period and ends at the peak of muscle tension.
Explanation:
:)
During the latent period of isometric contractions, there is no visible change in muscle length. It is the time period between the initiation of a stimulus and the actual start of muscle contraction.
Here is a step-by-step explanation of what occurs during the latent period:
1. The stimulus is received by the muscle fiber, either from a motor neuron or an electrical impulse.
2. The stimulus triggers the release of calcium ions from the sarcoplasmic reticulum.
3. Calcium ions bind to troponin, causing a conformational change in the troponin-tropomyosin complex.
4. This conformational change exposes the binding sites on actin for myosin heads.
5. ATP is hydrolyzed by myosin, providing energy for the myosin heads to bind to actin.
6. Cross-bridge formation occurs, where myosin heads attach to actin filaments.
7. However, during the latent period, there is no visible shortening or movement of the muscle fiber.
8. This is because the force generated by the myosin heads is balanced by an opposing force within the muscle, preventing any visible movement.
9. The opposing force is created by the tension in the series elastic elements of the muscle, such as the tendons and connective tissues.
10. This tension allows the muscle to maintain a stable position and prepare for the upcoming contraction.
11. The latent period typically lasts for a few milliseconds, depending on the type of muscle and the intensity of the stimulus.
12. After the latent period, the muscle enters the contraction phase, where the myosin heads continue to bind and detach from actin, causing muscle shortening and generation of force.
In summary, the latent period of isometric contractions is the time between the stimulus and the start of visible muscle contraction. During this period, the muscle prepares for contraction by releasing calcium ions, allowing myosin to bind to actin. However, there is no visible movement because the force generated by the myosin heads is balanced by an opposing force within the muscle.
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what properties DO NOT require a tool?
1. Cleavage
2. Hardness
3. Luster
4. Carbonate Content
Answer:the correct answer is luster
Explanation:took the quiz made a 100
a reflected light glow: sheen specifically: the appearance of a mineral's surface dependent on its reflecting qualities the luster of polished metal
What does it mean by luster?a reflected light glow: sheen specifically: the appearance of a mineral's surface dependent on its reflecting qualities the luster of polished metal The luster of the stars: a glow of light from within. b: radiance is an inner beauty.Glossy paper is extremely shiny, whereas lustre paper is semi-shiny. Glossy prints have more vibrant colors. A lustrous finish, on the other hand, reveals more accurate skin tones. A lustrous finish is also less susceptible to fingerprints, smudges, and scratches.To learn more about : Luster
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what type of restriction enzymes are used in genetic engineering to mend DNA segments together ?
True or False: Radiation and chemicals in cigarettes can cause cancer because they increase the likelihood of base pairing errors during replication.
Answer:
The answer is true. There is honestly NO safe way to consume Tobacco products. they are prone to cause cancer.
Explanation:
does this help you???
Explain. How mitotic cell division results in more cells that allow growth of the organism, can differentiate to create different cell types, and replace dead cells to maintain a complex organism.
Answer:
The mitotic cell division results in more cells that allow growth of the organism because of mitosis. Mitosis is when a single cell divides into two identical daughter cells. The major purpose of mitosis is for growth and to replace worn out cells.
hope this helps :)
Explanation:
TWO FUNCTIONS OF CELL DIVISION FOR MULTICELLULAR ORGANISMS AND GIVE AN EXAMPLE FOR EACH FUNCTIOM
Answer:
Two functions of a cell, which are involved in the cell division are: Nucleus – It is the control centre of the cell. Chromosomes are present inside the nucleus.
EXAMPLE: Nuclear membrane disintegrates during division and reforms after the division.
Explanation:
what floral family has(9)+1 arrangement of anther in the androcium.
a. malvacea
b. rutacea
c fabacea
d. caesalpinaceae
Explanation:
floral family has(9)+1 arrangement of anther in the androcium.
fabaceaoption c
OPTION C
The family leguminosae or Fabaceae also termed as tea family it distributed all over the world this family is third largest family of angiosperms plant Structure are which have rhizobium bacteria for nitrogen fixation trees from herb , shrub and root nodules stem or erect or climber and leaves alternate compound or simple velation reticulate.
thus,, option C is correct fabacea are floral family has 9 + 1 arrangement of another in the androcium .
fabacea is related to pea family.
______________________help me please
Which term describes the two groups of plants that do not need water to reproduce?
Paleozoic plants
cotyledons
spermatophytes
embryophytes
Spermatophyte is the term that describes the two groups of plants that do not need water to reproduce.
Water is not necessary for fertilization or reproduction in spermatophytes since siphonogamy occurs where the male gametes are transported via the pollen tube. Siphonogamy is a condition in plants in which the male cells are transferred to the eggs via the development of pollen tubes. Seed plants are often siphonogamous.
Spermatophyte is a group of plants including gymnosperms and angiosperms. Gymnosperms are cone-bearing plants, while angiosperms are flower-bearing plants. They reproduce sexually through the means of seeds.
Spermatophytes initially develop pollen for fertilization. The pollen is then transferred to the ovary via pollen tubes, resulting in the production of seeds. Pollen is transferred by vectors like air, any insect, etc. Thus, they do not require water for reproduction.
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Mkk nnenenrnenenrn rnrntnr t r t r. R r r f r r r r r r e r r
Answer:
Yes my dude just yes
Answer: What are you saying
Explanation:
WILL MAKE BRAINLIST IF CORRECT HELP FAST PLEASE 20 POINTS!!!! Which soil is made of 25% sand 25% silt and 50% clay?
The soil which is made up of 25% sand, 25% silt, and 50% clay is known as loamy soil.
What are the characteristics of soil?The characteristics of soil are as follows:
Soil is typically composed of organic matter and small inorganic matter.It is significantly composed of minute rock fragments and is the roughest in texture. It possesses a broad characteristic of texture, structure, porosity, chemistry, and color. It generally consists of air, water, and moisture.According to the context of this question, the loamy soil significantly consists of 25% sand, 25% silt, and 50% clay. This is because it is the only soil that possesses a mixture of sand, clay, and silt.
Apart from this, it also consists of 50% pore spaces and water. The presence of an equal amount of soil particles of various sizes imparts enough pores to loamy soil to facilitate water drainage.
Therefore, the soil which is made up of 25% sand, 25% silt, and 50% clay is known as loamy soil.
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Emerging viruses that infect human cells can originate from __________. View Available Hint(s)for Part A poor hygiene a rapidly mutating lytic phage lambda viruses that were previously confined to bacterial populations that can now spread due to technological changes a virus spreading from one host species to humans
An emerging virus result from a rapidly mutating lytic phage lambda viruses that were previously confined to bacterial populations that may from technological changes.
What are emerging viruses?An emerging virus refers to an entirely new virus that does not have a previous record of infections in the past. In short, an emerging virus is a novel virus.
One of the possible origins of an emerging virus is a rapidly mutating lytic phage lambda viruses that were previously confined to bacterial populations that can now spread due to technological changes.
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true or false your body's first line of defense against pathogens includes phagocytosis and fever
Answer:
true
hope this helps :)
Explanation:
Your body's first line of defense would be mucous membranes, which prevent bacteria from entering the body.The immune system uses phagocytosis when the cell is trying to destroy something, like a virus or an infected cell.
Which lists three living units of the human body in order from the simplest to the most complex level of organization?
A. red blood cell → circulatory system → blood
B. nervous system → nerves → brain
C. red blood cell → heart tissue → circulatory system
D. bone tissue → skeletal system → bone
Answer:
C
Explanation:
Cell to tissue to organ to organ system to organism
Answer:
The correct answer is
(B.) nervous system → nerves → brain
Explanation:
The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.
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which factor least influences the rate of photosynthesis?
A) Atmospheric concentration of carbon dioxide
B) Time of day
C) Number of chloroplasts
D) Concentration of nitrogen in the air
Which factor least influences the rate of photosynthesis?
Options :-A) Atmospheric concentration of carbon dioxide
B) Time of day
C) Number of chloroplasts
D) Concentration of nitrogen in the air
Answer :-D) Concentration of nitrogen in the air
Explanation :- Concentration of nitrogen in air is about 78% and it's insert in nature bez neither the planets nor the animals have the ability to break three bonds of N2 molecule (gas ) so any alterations in its concentration will not make any influence in photosynthesis concentration of CO2 make influence in the maximum but it also makes its effect upto some extent and that extent is called the saturation point Time of the day is effects like in morning and Evening photosynthesis is very less in comparison to the photosynthesis in afternoonRate of photosynthesis is directly proportional to number of chloroplast as more the number of chloroplast more will be the photosynthesisThe factor that least influences the rate of photosynthesis is the Concentration of nitrogen in the air. Thus, the correct option for this question is D.
What is Photosynthesis?Photosynthesis may be defined as a type of process through which green plants and some photosynthetic algae synthesize their own food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.
The process of photosynthesis significantly depends on the amount and color of sunlight along with the amount of carbon dioxide because they are the reactants of this reaction while the amount of sugar is delivered as a product of the reaction.
Therefore, the factor that least influences the rate of photosynthesis is the Concentration of nitrogen in the air. Thus, the correct option for this question is D.
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Raquel tends to get extremely upset if she does not get her way, and she feels that it is a reflection of how much of a failure she is bound to be. raquel would most likely benefit from __________. a. systematic desensitization b. family therapy c. rational-emotive behavior therapy d. aversion therapy
Rational-emotive behavior is about the therapy needed to cool down the mind and Raquel tends to get extremely upset so for her the correct answer is option c. rational-emotive behavior therapy.
Find methods to reply to conditions that are practical and now no longer a reaction to irrational thoughts.Recognize that despite the fact that they can't manipulate the activities of life, they have got the cap potential to pick out their manner of responding and coping with tough conditions.What is rational-emotive behavior therapy?
REBT is an action-orientated method it truly is centered on supporting humans with ideas addressing irrational ideals and discovering ways to manipulate their emotions, thoughts, and behaviors in a healthier, extra practical manner. According to REBT, our cognition, emotions, and conduct are connected.
Thus it is clear that rational-emotive behavior therapy is Raquel would most likely benefit.
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Answer:
C
Explanation:
The major blood vessel of the upper arm is know as the _____ artery which is a continuation of the axillary artery
A. Exertion
B. Artery
C. Systolic
D. Brachial
Answer:
Brachial Artery
Explanation:
Upper Arm: Brachial Artery. The brachial artery is a continuation of the axillary artery past the lower border of the teres major. It is the main supply of blood for the arm.
Answer:
D.
Explanation:
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The grid like lattice of proteins that gives the cell shape and support
How can i help my friend not to be influenced by media ??
HELP ME PLEASE
What is dysgeusia?
A. a disorder that causes a bad taste
B. a disorder that causes a reduced ability to taste
C. a disorder that causes a reduced appetite
D. a disorder that causes a reduced ability to smell
Answer:
B. a disorder that causes a reduced ability to taste
Explanation:
Answer:
it's B. a disorder that causes a reduced ability to taste
A larger population density always indicates a larger population size. Please select the best answer from the choices provided T F
Answer:
the answer its false
Explanation:
I just take the quiz
Answer:
False
Explanation:
Marcie is writing an article on the Big Bang Theory. What fact should she include in it? A. The universe started expanding after the Big Bang. B. The universe started shrinking after the Big Bang. C. The universe coalesced into one solar system after the Big Bang. D. The universe ended at the Big Bang.
Answer:
C. The universe coalesced into one solar system after the Big Bang.
Explanation:
This is true because, since she is writing about Big Bang theory, she would have to include how the universe was able to expand to one solar system made up of different planetary bodies. This explanation would help someone reading her writeup to understand what the Big Bang theory is all about.
Answer:
C
Explanation:
The correct answer is (C) because Marcie has the simple information but she is missing how the the (Big Ban) happened
Why is the sepal important to the development of the flower.
Answer:
The initial function of sepals is to provide support and protection for a flower bud as they close up around it until it's ready to bloom. The sepals surround the petals and the reproductive organs inside the flower and protect them from harsh environmental conditions and drying out.
Explanation:
brainliest pls :3
What is a proper hypothesis to guide your experiment?
Answer:
hope it helps...
Explanation:
When conducting scientific experiments, researchers develop hypotheses to guide experimental design. A hypothesis is a suggested explanation that is both testable and falsifiable. You must be able to test your hypothesis, and it must be possible to prove your hypothesis true or false.
1.
Which weather pattern can drop torrential amounts of rain, create storm surges, and destroy structures with high winds?
drought
tornado
hurricane
thunderstorm
2.
What is the main energy source for a hurricane?
winds blowing from high pressure to low pressure
warm air masses
cool ocean water
warm ocean water
3.
What makes the weather inside the eye of the storm calm and clear?
high pressure air
low pressure air
clockwise rotation
counterclockwise rotation
I will mark brainliest.
*These three questions are strictly for study.
#1
Hurricane
Thunder storm can't do storm surges like hurricane .Rest can destroy with winds but hurricane can bring rain .#2
winds blowing from high pressure to low .
When ocean becomes hot low air pressure is created.
#3
Clock wise rotation .The low pressure is surrounded by high pressure which forces the hurricane to turn around its eye.
can i get some help on this please
What difference in axonal signaling determines whether we experience a mild or a strong sensation?.
Answer:
frequency of action potentials
Explanation:
what are the levels of organization in a living thing
Answer:cells
Explanation:cells
Use the drop-down menus to determine which system the following structures belong to. pituitary gland thyroid gland salivary glands
The following glands may be classified by using the drop-down menus:
Pituitary Gland ------ Endocrine Thyroid Gland ------- Endocrine Salivary Gland ------- Exocrine. What do you mean by Glands?A gland is an organ that produces and releases substances that perform a specific function in the body. They perform a key role in the metabolism process.
Endocrine Glands secrete hormones whereas exocrine glands secrete enzymes. The pituitary gland secretes growth hormone, LH, etc, while the thyroid gland secretes thyroxine hormone. So, both of these glands are classified under Endocrine glands. But the salivary gland produces an enzyme called salivary amylases, which leads to the formation of saliva. Hence, it is classified under the exocrine gland.
Therefore, all the above-described glands are classified on the basis of their functions.
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Answer:
pituitary gland : Endocrine
thyroid gland : Endocrine
salivary glands : Exocrine
Explanation:
Got it right on edge! Good Luck <3
12.) Latitude and longitude coordinates are used to determine
A. An exact location on Earth without the use of landmarks or addresses
B. The depth of the water at that point
C. The distance from one point to another
D. The temperature and climate of an ecosystem
13.) The deepest place in the ocean is found in the Pacific Ocean and is called what?
A Great Pacific Reef
B. Marianas Trench
C.Japan Trench
D. Abyssal Plain
Answer:
D
Explanation:
How many organ systems are there in the human body?
Thanks :)
Answer:
there are so many
Explanation:
reproductive organs, respiratory organs, sensory organs, and others