Answer:
Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.
Explanation:
which of the following is not a symptom of respiratory problems?
Answer:
chemical burns
Explanation:
I'm pretty sure this is it
Answer: Chronic back pain
Explanation: I got it right on Edge!!!!
What do you know about storms?
Answer:i know they cause damage but not all the time it depends on how bad they are.
Explanation:
any disturbed state of a body especially affecting its surface, and strongly implying a wind force
9.) If a hypertonic solution surrounds a cell; water will ___.
a.) move out of the cell
b.) move into the cell
c.) be dissolved
d.) be transported by proteins in the plasma membrane
e.) stay the same
Answer:
a.) move out of the cell
Explanation:
Answer:
a.) move out of the cell
Explanation:
how can culture be a barrier to communication
Answer:
I would have to say that because certain cultures do things that some people don't. The people who don't understand it might not understand the meanings to the culture they have.
write any two features of cell?
1) What is population?
2) Two things that increase a population
3) Two things that decrease a population
4) Humans and dogs live together, are they part of the same population? Why or why not?
Answer:
1. the number of people who live in a place.
What condition must be true if a substance enters the cell by active transport
For a substance which enters the cell by active transport, it should have a concentration gradient, energy, and transport proteins.
What is active transport?It is a process through which molecules move from a region of higher concentration to a region of lower concentration.
The following conditions must be true for active transport:
Concentration gradient-The concentration of substance must be higher outside the cell than inside the cell.Energy-Active transport requires energy in the form of ATP.Transport proteins- It allows specific transport proteins such as pumps to facilitate movement of substance across the cell membrane.Overall, active transport allows cells to bring in substances that they need even if the concentration of those substances is low outside the cell.
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answer these someoneee ( will give brainliest!! )
Answer:
1) B. Cell wall
2) B. The smallest structural and functional unit of an organism that can be said to be alive
Hope this Helps! :)
Have any questions? Ask below in the comments and I will try my best to answer.
-SGO
The root word “di” means “two,” so the word “diatomic” refers to _____.
A forces within the atom
B a molecule with two atoms
C negatively-charged electrons
D positively-charged protons
Answer:
B
Explanation:
Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements. The prefix di- is of Greek origin, meaning "two".
The word "di" means two, and "diatomic" means a molecule with two atoms that is present in Option B. Diatomic molecule may consist of similar atoms or may have different atoms, such as nitrogen oxide.
What is a diatomic molecule?Diatomic molecules are those that have two atoms within the molecule, such as hydrogen (H₂), nitrogen oxide, etc. In a single compound, there are many atoms that are present, and they make different bonds with each other, such as the covalent bond.
Aside from the covalent bond, there are other types of bonds, such as ionic bonds, but not all types of elements that are present in the periodic table can form the diatomic molecule. The homonuclear diatomic molecule is hydrogen, where two hydrogen atoms are present, and an example of the heteronuclear diatomic molecule is nitrogen oxide, where nitrogen and oxygen atoms are present.
Hence, the correct answer is option B, which is a diatomic molecule with two atoms.
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Which is one way that the movement of matter through an ecosystem is different from the transfer of energy?
A. Only the movement of matter involves living things.
B. Only the movement of matter flows in one direction only.
C. Only the movement of matter occurs in an unending cycle.
D. Only the movement of matter involves feeding relationships.
Answer:
C. Only the movement of matter occurs in an unending cycle.
Explanation:
Living organisms require both energy and matter for their growth and development. Nutrients are the nonliving matter of an ecosystem. Matter in form of nutrients moves from the soil to the plants, which absorb them using their roots. Matter moves to organisms called consumers when they feed on the plants and themselves consecutively.
When these organisms die, the matter goes back to the soil and the cycle starts again. Energy, on the contrary, moves in one direction. However, only the movement of matter occurs in an unending cycle.
Answer:
C. Only the movement of matter occurs in an unending cycle.
Explanation:
!!HELP!! more than half of the human body weight percentage is water, and maintaining the correct balance of water is an example of
Answer:
When the body has excess water, thirst is suppressed. An interaction between the pituitary gland and the kidneys provides another mechanism. When the body is low in water, the pituitary gland secretes vasopressin (also called antidiuretic hormone) into the bloodstream.
Which of the following best describes the structure of DNA?
Answer:
Deoxyribonucleic acid
Explanation:
Double Helix
Which of the following best describes the structure of DNA?
A. a protein formed from a chain of twenty possible amino acids
B. a molecule formed from twenty-three pairs of chromosomes
C.an amino acid chain formed from a sequence of three nucleotides
D. a polymer formed from linked subunits of four kinds of nitrogenous bases.
D. is the correct answer
identify the states of the water cycle in this model
Answer:
the one your mouse is hovering over is precipitation
Which of the following represents a compound:
The fluid present between the cell membrane and the nucleus is
Serum
Protoplasm
Nucleoplasm
Cytoplasm
Answer:
cytoplasm
Explanation:
cytoplasm is the gelatinous liquid that fills the inside cell.
do cats eat food with garlic
Explanation:
Cats should not eat onions, garlic, shallots, chives, or other foods that contain thiosulphate, a compound that can cause serious problems. When enough is eaten, the thiosulphate causes destruction of their red blood cells, a devastating condition called hemolytic anemia.
Answer: Cats can not eat garlic.
Explanation: It is very dangerous for them to consume garlic because it may kill them.
help omg please i have no clue how to do thjs
Answer:
1.f.
2.d.
3.a.
4.b.
5.e.
hope this helps :)
Explanation:
this is the equation for photosynthesis
6CO2 + 6H2O + Light energy → C6H12O6+ 6O29
(carbon) (water) (glucose) (oxygen)
dioxide
What is the function of tRNA?
catalyze the assembly of amino acids into a protein
carry genetic instructions for building a protein
bring an amino acid to the ribosome
Answer:
C bring an amino acid to the ribosome
Explanation:
i took the test
Transfer RNA acts as a link (also called an adaptor) between the messenger RNA (mRNA) molecule and the growing chain of amino acids that comprise a protein. Therefore, option (C) is correct.
What is the function of tRNA?Transfer RNA is an adapter molecule that is made of RNA and normally ranges in length from 76 to 90 nucleotides. Its primary function is to act as the physical link between the amino acid sequence of proteins and the mRNA that encodes them. Transfer RNA achieves this goal by transporting an amino acid to the ribosome, which is the component of a cell that is responsible for the synthesis of proteins.
The tRNA molecule is characterized by its characteristic folded structure, which consists of three hairpin loops that are arranged in the manner of a clover with three leaves. A sequence known as the anticodon is contained within one of these hairpin loops. This anticodon has the ability to detect and decode mRNA codons. Each transfer RNA (tRNA) has the amino acid that corresponds to it connected to the very end of it.
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In A Quiz Competition, You Are Asked A Question Where You Have To Choose The Statement Which Is/ Are Incorrect? (1 Point) [A]. Squamous epithelium is made up of thin, flat, irregular shaped cells which fit together like floor tiles to form a compact tissue. [B]. The cuboidal epithelium is found in kidney tubules, thyroid vesicles and in glands. [C]. The main function of columnar epithelium includes absorption and secretion. [D]. None of the above
Answer:
[D]. None of the above
Explanation:
Epithelium are one of the type of four tissues found in living systems. They possess a variety of functions and are found to line/cover the surfaces of most organs. Epithelial tissues are classified based on the number of cell layers (simple and stratified) and shape (squamous, columnar, and cuboidal).
Based on their shape;
- Squamous epithelium are made up of scale-like flat cells that line the surfaces of alveoli of the lungs etc. They are of thin, flat, irregular shaped cells which fit together like floor tiles to form a compact tissue as stated in this question.
- Cuboidal epithelium contains cells whose shape are similar to that of a cuboid i.e. close width and height. They are located in the kidney tubules, thyroid vesicles and in glands like pancreas.
- Columnar epithelium are relatively thin and elongated in shape, hence, they are found in organs and surfaces whose function mainly is absorption and secretion.
Hence, NONE of the mentioned statements are UNTRUE
Which of the following events cannot be predicted
by calendars based on the movements of celestial
objects?
a. spring rains
b. migration of animals
c. floods
d. volcanic eruptions
e. solar eclipses
Answer:
E
Explanation:
explain the difference between type 1 and type 2 diabetes.
Answer:
People with type 1 diabetes don't produce insulin. You can think of it as not having a key. People with type 2 diabetes don't respond to insulin as well as they should and later in the disease often don't make enough insulin.
Explanation:
Answer:
People are born with type 1 diabetes. Type 2 diabetes is acquired.
Eyeglasses would rest upon which skull bone?
Answer:
axial skeleton
Explanation:
PLS HELP FAST!!!!!!!! strong acids are good conductors of: a. Bases b. ions c. pH d. Electricity
Answer:
C
Explanation:
Where do sperm go after leaving the ejaculatory duct?
A. Ejaculatory duct
B. Vas deferens
C. Urethra
D. Seminiferous tubules
Answer:
C. Urethra
Explanation:
Sperm goes from the epididymis to the vas deferens. The vas deferens in each testis connects to the ejaculatory duct, that then connects to the urethra where the sperm can be ejected.
Hope this helps
Sperm go after leaving the ejaculatory duct through urethra. Therefore, the correct statement is option C.
What is urethra?Sperm travel through the urethra, which is a tube that connects the bladder to the outside of the body, after leaving the ejaculatory duct. During ejaculation, semen containing sperm is propelled through the urethra and out of the body.
The urethra is a conduit for both urine and semen. The urethra is a piece of both the urinary and conceptive frameworks in guys. The sperm travels through the urethra, which is a tube that connects the bladder to the tip of the male reproductive organ after leaving the ejaculatory duct.
The urethra serves a double capability in guys as it completes pee and semen of the body. Semen is produced by the bulbourethral, seminal, and prostate glands. During ejaculation, the sperm and semen mix in the ejaculatory duct before being released through the urethra.
Therefore, sperm go after leaving the ejaculatory duct through urethra.
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Padma is having a baby. Which best describes how her body will keep her in homeostasis?
O A positive feedback mechanism increases the release of oxytocin to promote further contractions.
O A negative feedback mechanism increases the release of oxytoxin to promote further contractions.
O A positive feedback mechanism decreases the release of oxytoxin to promote further contractions.
O A negative feedback mechanism decreases the release of oxytoxin to promote further contractions.
Answer:
positive feedback mechanism increased the release of oxytocin to promote further contractions
Explanation:
Padma is having a baby. The best description of how her body will keep her in the homeostasis is a positive feedback mechanism increases the release of oxytocin to promote further contractions. Thus, the correct option is A.
What is the effect of oxytocin?Oxytocin is a natural hormone which manages the key aspects of the female and male reproductive systems in humans, including the labor, delivery, and lactation in females, as well as other aspects of the human behavior.
Oxytocin can induce the anti-stress-like effects such as reduction of the blood pressure and cortisol levels in humans. Oxytocin increases pain thresholds, exerts an anxiolytic-like effect and also stimulates various types of positive social interactions in individuals. In addition, it is also responsible for promoting growth and healing process.
Therefore, the correct option is A.
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why do organisms Take food ?
Ans : They need food to convert it to energy and energy is what powers the organism
Answer:
organism take food to get different types of nutrition which gives energy to the them and also it helps for growth and nourishment of cell
Osmosis and diffusion are two types of _________.
a.) active transport
b.) passive transport
c.) contact inhibition
d.) phtosynthesis
Osmosis and diffusion are two types of passive transport.
What do you mean by passive transport?Passive transport is a type of membrane transport that does not require energy to move substances across cell membranes. Instead of using cellular energy, like active transport, passive transport relies on the second law of thermodynamics.
It is a type of membrane transport that does not require energy to move substances across cell membranes. Instead of using cellular energy, like active transport, passive transport relies on the second law of thermodynamics to drive the movement of substances across cell membranes.
Passive transport does not require energy input. An example of passive transport is diffusion, the movement of molecules from an area of high concentration to an area of low concentration.
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QUICK I NEED HELP, ITS A TEST!!!
There are four types of tissue in the human body
True or false
Answer:
Yes there are four types of tissues: connective, epithelial, muscle, and nervous tissues.
Hope this helped, good luck on your test!
-omii♡
I need help plz it’s due in a hour !!!
Answer:
1) CHO
2) YES
3) Monosaccharrides
4) Cellulose, and starch (potatoes)
5) "Quick Energy"
Explanation:
We learned this in biology at the beginning of the year.
Answer:
Carbohydrates (carbo- = “carbon”; hydrate = “water”) contain the elements carbon, hydrogen, and oxygen, and only those elements with a few exceptions. The ratio of carbon to hydrogen to oxygen in carbohydrate molecules is 1:2:1
yes carbo hydrates is organic
Explanation:
* I DON'T REALLY KNOW FOR THE REST 3 BOX
AND I CAN'T REALLY SEE THE SECOND ONE
water is made from two atoms bonded together with one oxygen atom. this is an example of...
an element
a molecule
an atom
a noble gas
Answer:
an atom or molecule.
Explanation:
water can be called a molecule or a compund because it is made of hydrogen and oxygen atoms.