Definition Of polar molecules and nonpolar molecules please?
Answer:
Non polar molecules are symmetric with no unshared electrons. Polar molecules are asymmetric, either containing lone pairs of electrons on a central atom or having atoms with different electronegativities bonded.
Explanation:
When things are different at each end, we call them polar. Some molecules have positive and negative ends too, and when they do, we call them polar. If they don't, we call them non-polar. Things that are polar can attract and repel each other (opposite charges attract, alike charges repel).
The diagram shows the reproductive system of a plant.
Which of the following best describes the interaction that occurs between a plant's reproductive parts during self-fertilization?
The diagram shows the reproductive system of a plant.
Which of the following best describes the interaction that occurs between a plant's reproductive parts during self-fertilization?
Pollen is released from the stigma and is transferred to the anther. A pollen tube grows down from the anther through the filament and fuses with the ovule, where the sperm fertilizes the egg.
Pollen moves from the ovule up through the style and is released from the stigma. The pollen is transferred to the anther, where the sperm fertilizes the egg.
Pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches an ovule within the ovary where the sperm fertilizes the egg.
The correct answer is pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches an ovule within the ovary where the sperm fertilizes the egg.
This option correctly defines the interaction that occurs between a plant's reproductive parts during self-fertilization as it explains the pollination process and fertilization, when pollen grains are released then are transferred to the stigma the pollen tube is there that reaches ovule and the sperms fertilize an egg.
What is pollination?
Transfer of pollen from anther to the stigma of plants. Pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches an ovule within the ovary where the sperm fertilizes the egg.
Thus it is clear that the answer explained above is correct describes the interaction that occurs between a plant's reproductive parts during self-fertilization.
To know more about pollination refer to the link ;
https://brainly.com/question/26568008
Select the letter of the most appropriate answer.
examples include base substitutions and deletions
person who has one recessive allele for a recessive genetic disorder
type of DNA used to prepare a DNA profile
continuing process by which all organisms on earth now share the same genetic code
genes contain the coded instructions to manufacture __________
custom genes that can be inserted into other DNA strands
genes on this chromosome were used to determine the ancestry of Sally Hemings' descendants
combined DNA from multiple sources
genetic analysis used to trace the ancestry of all humans from Africa
method of cleaning up environmental; pollution with GM organisms
new genetic editing technology that uses small pieces of RNA to find specific locations in the DNA strand
A. Amino Acids
B. Bioremediation
C. Carrier
D. CRISPR
E. Evolution
F. GM Organism(s)
G. Mitochondrial DNA
H. Point Mutation(s)
I. Protein(s)
J. Recombinant DNA
K. Non-Coding DNA
L. Transgene
M. X Chromosome
N. Y Chromosome
What is the usual tone of a argumentative essay?
Answer:
I would say that what the essay is about they're most likely going to be biased disagreeable or agreeable. The tone may be mad.
Explanation:
. During reproduction, a sperm cell fertilizes an egg cell. The newly formed
embryo then undergoes mitosis as it develops. The cells of the organism
differentiate in order to perform different functions for the organism.
The reason different cells perform different functions is that they -
Arable land is land is no longer able to promote growth of agricultural changes.
True
False
The answer is false
Answer:
False
Explanation:
I took the test
How have golden eagles adapted their behavior for living in temperate grasslands?
Golden eagles have adapted their behavior for living in temperate
grasslands by building their nests on the ground.
Temperate grassland is characterized by mainly grasses and very few
trees. Animals like the Golden eagle who build their nests on tall trees are
able to adapt to the absence of these types of trees in the grasslands by
building their nests in the ground.
They live in in pairs in the temperate grasslands to efficiently guard the
nest and hunt animals for their survival.
Read more about Golden eagle on https://brainly.com/question/3596527
Why do people gain weight ?
Answer:
Poor sleep, sedentary activities, and eating too many processed or sugary foods are just some of the habits that may increase your risk of weight gain. Yet, a few simple steps — such as mindful eating, exercise, and focusing on whole foods — can help you reach your weight loss goals and improve your overall health.
Explanation:
Hi !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
Answer:
Hiya how ya doing?? :D
Explanation:
have a miraculous day everyone!!! <3
Is grass a living thing
why yes it is
my proof : Plants are living because they grow, take in nutrients and reproduce. Trees, bushes, a cactus, flowers and grass are examples of plants. Plants are also living things. Plants are living because they grow, take in nutrients and reproduce.
The brightness of a star depends on the amount of light energy coming from the star.
Which factor also affects the brightness of a star in the sky?
the amount light shining on the star
the distance of the star from Earth
the season of the year on Earth
the number of other separate stars seen around it
Answer:
Three factors control the brightness of a star as seen from Earth: how big it is, how hot it is, and how far away it is. Magnitude is the measure of a star's brightness. Apparent magnitude is how bright a star appears when viewed from Earth.
Explanation:
Answer:
the amount light shining on the star
Explanation:
you can find a nucleus in the cells of
You are a red blood cell in the LEFT VENTRICLE of the heart. In the correct sequence, which blood vessels must you pass through in order to get down to the RIGHT wrist (the palmar arches)?
The correct sequence of blood vessels that must be passed to get to the Right wrist is :
From the Left ventricle --> Aorta ------> Brachiocephalic artery ------> Right subclavian artery -----> Right axillary artery -----> Right brachial artery-------> Right ulnar and radial arteries -----> Right wrist .The Aorta is the first passage( blood vessel) of the oxygenated blood, pumped out of the left ventricle of the heart, It forms an arch through which other arteries like Brachiocephalic artery originates to distribute blood to the upper parts.
The right subclavian, axillary and brachial all supply blood to the right arm while the Right brachial artery further divides into Right Ulnar and radial arteries.
Hence we can conclude that The correct sequence of blood vessels that must be passed to get to the Right wrist is :
From the Left ventricle --> Aorta ------> Brachiocephalic artery ------> Right subclavian artery -----> Right axillary artery -----> Right brachial artery-------> Right ulnar and radial arteries -----> Right wrist .
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Which of the following correctly describes the structural arrangement of the cell membrane?
how could knowledge of a pest organisms tolerance limits be used in pest control
Answer:
Explanation:
With the knowledge of knowing the organism's tolerance you could learn how to better kill them and get rid of them. For example for bed bugs poisons did not work but they realized extreme cold temperature did so they now freeze them.
Different finch species have beaks of different shapes and sizes. What is the source of these different phenotypes
what do the letters stand for please help me thank you
Answer:
D
Explanation:
Prophase
Metaphase
Anaphase
Telophase
These are stages in mitosis.
SCIENCE
Which seafloor feature is an example of an abyssal plain?
Answer:
mid-ocean ridge
Ocean trenches
After scaling the mid-ocean ridge and traversing hundreds to thousands of miles of abyssal plains, you might encounter an ocean trench. The Mariana Trench, for example, is the deepest place in the ocean at 36,201 feet
Explanation:
please mark me brainliest and i think it is c
9. When a scientist makes a proposal of a cause-and-effect relationship between two variables, this
statement is called a
a. Conclusion.
O b. Fair test
C. Theory
O d. Hypothesis
Answer:
You should try d. Hypothesis as answer
Answer:
D
Explanation:
A hypothesis states a presumed relationship between two variables in a way that can be tested with empirical data. It may take the form of a cause-effect statement.
What is most likely the identity of the biome, and why?
Answer:
The primary factor which determines a biome is the climate. Temperature and precipitation essentially determines what kind of growing season or soil quality the terrain may have,which therefore affects the growth of plants living there.
Other factors may include: humidity, pollution (such as air, noise...), daylight intensity
Explanation:
Cancer is the uncontrolled growth of abnormal cells in the body. What can cause cancer to develop?
Group of answer choices
A Disruption of the cell cycle
B Synthesis of a repressor protein
C Turning off genes during differentiation
D Structural genes that are active
Answer:
A
Explanation:
Disruption of the cell cycle means that cells can divide without order and accumulate genetic errors that can lead to a cancerous tumor.
nvmhhudd<uldjddhssh?_______
Answer: nvrmndllhddy = wldjddpshh
What does the receptor protein do?
stops things from entering into cell
helps cell self destruct when necessary
Receives chemical signals from the brain.
helps the flow of blood
Answer:
the answer is Receives chemical signals from the brain.
Explanation:
i took the quiz have a good day
Which statements accurately describe atoms? Check all that apply.
1.Atoms cannot be divided.
4.Atoms were named in the fifth century BCE.
5.Atoms are the smallest unit of matter.
Answer:
5
Explanation:
5.Atoms are the smallest unit of matter.
Answer:
atoms are the smallest unit of matter
Explanation:
atoms CAN be divided into 2 halfs and ther were names AFTER bce
please help me i never done this before and it’s confusing me i’ll give 100 points + brainlist
Answer:
A,E,D,B,C
Explanation:
first pic is A
second pic is E and go on ...
Why do sunspots appear as dark spots on the surface of the Sun?
Answer:
I think it is because the sun has released energy and looses light in that area because of it.
Explanation:
What is the haploid number for the Tasmanian devil?
please help meeèe I really need urs help
Explanation:
Science and technology help each other advance. Scientific knowledge is used to create new technologies. New technologies often allow scientists to explore nature in different ways and make new discoveries. Examples of technologies that have helped science advance include the telescope and microscope.
Read the following passage and answer the question.
“Never another master kind as he!
I’ll never find one – no matter where I go,
not even if I went back to mother and father,
the house where I was born and my parents reared me once.
Ah, but much as I grieve for them, much as I long
to lay my eyes on them. Set food on the old soil,
it’s longing for him, him that wrings my heart –
Odysseus, lost and gone!
That man, old friend, far away as he is…
I can scarcely bear to say his name aloud,
so deeply he loved me, cared for me, so deeply.
Worlds away as he is, I call him my Master, Brother!”
Which theme is being expressed in this passage?
hospitality
temptation
pride
loyalty
Answer:
it's like two theme there
Explanation:
hospitality or loyalty
Which is a step in the convection cycle in the Earth's atmosphere
Answer:
Hot, less dense air rises, whereas cold air drops, because the air molecules clump together
Explanation:
Hope I helped! ;)