Answer:
Red sky at night, sailors delight.
When we see a red sky at night, this means that the setting sun is sending its light through a high concentration of dust particles. This usually indicates high pressure and stable air coming in from the west. Basically good weather will follow.
Explanation:
During the falling phase of the action potential, the membrane hyperpolarizes beyond the resting membrane voltage. The phenomenon is due to: _________
How are primary and secondary succession similar and how are they different?
Why is it essential to fix smears on slides before staining?
a. to cause swelling of the cell to make interior structures more visible
b. to provide a nutrient medium to sustain the bacteria
c. to attach them to the slide
d. to enhance the uptake of stains
Why is it important that meiosis produces a haploid cell? What would happen to subsequent generations if mitosis were used to produce gametes?
Answer:
It is important that meiosis produces a haploid cell because it prevents the number of chromosomes from doubling each generation. If mitosis were used to produce gametes the subsequent generations would be diploid so in the next generations the normal amount of chromosomes would double meaning each subsequent generation would double the number chromosomes again and again.
Explanation:
Meiosis
- the process by which the number of chromosomes is halved during the formation of gametes.
- In human cells, for example, 46 chromosomes are arranged in 23 pairs. Therefore, human cells are diploid i.e. they have two sets of 23 chromosomes per set. During generative reproduction, the sex cells of the parent organism unite with one another and form a fertilized egg. In this situation, each sex cell is gamete. Gametes from haploid human cells, from Greek haplos, which means "single." This term implies that each gamete contains a set of 23 chromosomes in humans. When human gametes unite with each other, the original diploid condition of 46 chromosomes is rebuilt. Meaning cells containing a diploid number of chromosomes are converted into four cells, each of which has a number of haploid chromosomes. In human cells, for example, reproductive cells containing 46 chromosomes produce four cells, each with 23 chromosomes.
Mitosis
- the phase of the cell cycle where the nucleus of a cell is divided into two nuclei with an equal amount of genetic material in both the daughter nuclei. It succeeds the G2 phase and is succeeded by cytoplasmic division after the separation of the nucleus. Mitosis is essential for the growth of the cells and the replacement of worn-out cells. Abnormalities during mitosis may alter the DNA, resulting in genetic disorders.
-In each cycle of cell division, two daughter cells are formed from the parent cell. The cell is also known as equational cell division because the chromosome number in the parent cell and daughter cell is the same.
Hope this helps!!
Meiosis' production of haploid cells is crucial because it stops the chromosome count from doubling every generation.
What is meiosis?Meiosis is a reductional division. The number of chromosomes would double in the following generations if mitosis were utilized to make gametes, making the subsequent generations diploid and doubling the number of chromosomes in each successive generation.
Meiosis is the process by which the number of chromosomes is cut in half as gametes are developing.
For instance, there are 23 pairs of 46 chromosomes in human cells. Human cells therefore have two sets of 23 chromosomes each, making them diploid.
Therefore, Meiosis' production of haploid cells is crucial because it stops the chromosome count from doubling every generation.
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34. Which of the following is not a solution?
a Salt dissolved in water
b. Sand dissolved in water
c. Sugar dissolved in water
d. Oxygen dissolved in water
b is wrong solution so because sand can't dissolve in water
Which of the following activities below shows a heterogeneous mixture? *
A.Mark Angelo prepares a mixture of vinegar and soy sauce.
B.Zaywon dissolves sugar in a hot water.
C.Cassey washes a cup of rice grain in a rice cooker.
D.Jasmine prepares a dough to bake pandesal.
What is the charge of an atom?
O positive
negative
neutral
Answer:
neutral
Explanation:
they have no charge
meaning of vertical growth of tree
Briefly summarize the main stages of human evolution beginning 410 million years ago with the evolution of amphibians.
Biologically, man is defined as primate by the species Hom.o sapiens, of which the only living subspecies is Hom.o sapiens sapiens. It is quite clear that man's closest living relatives are the African apes, chimpanzees and gorillas, and it is almost certain that chimpanzees are more closely related to us than to gorillas.
The early development of the human race took place in Africa. All fossils from our evolution from 7 million years ago to 2 million years ago that were found lived in Africa. Sometime almost 2 million years ago, however, human-like creatures of the genus Hom.o began to spread around the world, and fairly quickly populated large parts of Asia and Europe, all the way to Indonesia and China. Regarding the geographical origin of modern man, there are two main explanatory models.
According to the Out of Africa hypothesis, modern humans evolved in Africa and from there spread out over the world, competing with other hominids. The multiregional hypothesis instead claims that humans evolved in parallel from several at least partially isolated populations of hominids.
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Since animal cells don’t have a cell wall, what would happen if they loss water indefinitely?
Answer:
Cells with a cell wall will swell when placed in a hypotonic solution, but once the cell is turgid (firm), the tough cell wall prevents any more water from entering the cell. When placed in a hypertonic solution, a cell without a cell wall will lose water to the environment, shrivel, and probably die.
Explanation:
:)
Answer:
Explanation:
it will lose water to the environment shrivel up and probably die
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Answer:
shhh i need ur points
Explanation:
thanks
which objective lens will still remain in focus when placed at the longest working distance from the specimen?
Answer:
10x objective lens
Explanation:
The objective lens that will still remain in focus when placed at the longest working distance from the specimen is 10x objective lens.
Microscope objectives are set up with a short free working distance. Working distance is knot to be the point or distance from the front lens element of the objective to the closest surface of the coverslip when the specimen is in sharp focus.
The distance between the objective lens and the specimen, when the specimen is in focus, is called the working distance of the lens. The greater the magnification of the lens, the less the working distance; that isConclusively, a 10x objective lens is a low power objectives that has a longer working distances than high power objectives
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Help me pls!!!!!
Cmt now pls
Answer:
omg what is this
Explanation:
that is super hard
define a chromosome and give more details about it
Answer:
a chromosome is an organelle located in the nucleus of both animal and plant cells. it's main purpose is to carry DNA.
What would be one positive and one negative effect on human health due to urbanization?
Answer:
The positive effects include economic development, and education. However, urbanization places stresses on existing social services and infrastructure. Crime, prostitution, drug abuse and street children are all negative effects of urbanization.
Explanation:
Answer:
Improved access to healthcare would be a positive effect on human health, while diseases or negative health effects due to pollution would be negative effects of urbanization.
Explanation:
16
Which of the following is true regarding the tegmentum (a section of the midbrain).
ed
out of
Select one:
O a. It is continuous with the gray matter of the brain stem and processes information from spinal nerves
O b. It is continuous with the white matter of the brain stem and processes information from cranial nerves
O c.
It is continuous with the white matter of the brain stem and processes information from spinal nerves
O d.
It is continuous with the gray matter of the brain stem and processes information from cranial nerves
○A
It is continuous with the gray matter of the brain stem and processes information from SPINAL nerves
Hope this helped you- have a good day bro cya)
Help ASAP I WILL GIVE BRANIEST
Answer:
c hope it helps I'm soory if it u know what
Answer:
c
Explanation:
Mrs. Maxwell used the analogy “a cell is like a factory” to explain the idea of cell organization to her class, and she never went into any more details. Is this analogy good enough to present a true picture of a cell?
Answer:
Yes, because an organism can be considered a factory, so yes, a cell can be represented as a factory.
Explanation:
what is the general chemical equation for an endothermic reaction?
Answer: reactants + energy = product
Explanation: answer
Why lapse in managing supplier can tarnish the buyer's reputation?
Answer:
yep
Explanation:
notthing
The lapse in managing suppliers causes buyer shortages or the sale of poor quality products that cause customer dissatisfaction and tarnish the buyer's reputation.
We can arrive at this answer because:
Buyers are companies and stores that buy products or materials from suppliers to supply them to customers.Buyers and suppliers have a very well-established business relationship, as the success of buyers depends on good supplier management.Poor management causes suppliers to delay deliveries and provide poor-quality materials to buyers.These problems will be passed on to the customer, who will blame the buyer and could damage the buyer's reputation.In other words, we can say that the poor management of suppliers damages the buyer's reputation because this promotes poor service to the customer's needs, which will blame the buyer for these problems.
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what are biochemical reactions? what is an example?
Answer:
Neutralization Reaction or Acid-Base Reactions Condensation Reaction Redox Reaction Hydrolysis ReactionAn example would be Oxidation and reduction
Explanation:
Hope this helps :]
pls make brainliest :3
and have an amazing day <3
The pH of water is
because it contains an equal amount of H+ and OH-ions.
05
07
9
Answer:
07
Explanation:
At room temperature 25 Celcius
LS2-1 The carrying capacity of a biological species in an environment is the maximum population size of the
species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities
available in the environment. What factors would increase a carrying capacity for a population?
I. habitat loss
II. increase in food sources
III. access to clean water
IV. increase in competition
V. increase in diseases
II and III
III and IV
II, IV, and V
I, II, and V
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Among the all options, Increase in food sources and access to clean water can increase the carrying capicity for a population.
The Correct choice is :
II and IIIIn which two ways does a hummingbird’s nervous system help it’s body’s cells get nutrients
Answer:
it controls the heartbeat
it controls the movement
Below is a photo of cells from a particular kind of organism.
Based on the structure of the cells, this organism is most likely to be a
A. unicellular eukaryote
B. Virus
C. multicellular eukaryote
D. prokaryote
Answer:
C i believe
Explanation:
Find out the total number of bones present in the different parts of the body like the arms,wrist, legs, feet etc.
Answer:
the axial skeleton, comprising the spine , chest and head contain 80bones the appendicular comprising the arms and legs include the shoulder and pelvic girdles , contain126 bones bringing the total for the entire skeleton to 206 bones
Which of the following statements about glucose, galactose, and fructose is most likely true?
Answer:
They are all monosaccharides
Amelia has laid the groundwork for a fledgling business and is considering incorporating. Which of the following
is a valid concern that she might have?
A) Acquiring financing as a corporation will be much more challenging than it is for other
business structures.
B) Incorporating comes with an increase in liability compared to other business structures.
C) The regulations will be more burdensome than in other business structures.
D) The corporation will only last as long as she is able to work
A valid concern that Amelia might have is C. The regulations will be more burdensome than in other business structures.
A corporation refers to an organization that is authorized to act as a single entity. A corporation is a legal entity and is distinct from its owners.
It should be noted that under law, corporations can loan and borrow money, enter contracts, sue, own assets, etc. The purpose of a corporation is to make a profit.
The concern for Amelia will be the fact that a corporation is highly regulated. It's usually monitored by government agencies. There are also regulations that are put in place in order to protect the rights of employees. Therefore, this may be a challenge for Amelia since she may not have the freedom like that of a sole proprietor.
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Answer:
C) The regulations will be more burdensome than in other business structures.
Explanation:
Which of the following is not an habitats for extremophiles
a the Atlantic Ocean.
b. an acid mine wash.
c. inside rock
d. a salt-evaporating pond.
e. 100C water.
Answer:
2 an acid mine wash
Explanation:
2 an acid mine wash
Name the part of the cell where photosynthesis takes place.
Answer:
chloroplasts
Explanation:
Sorry I don't have an explanation