Answer:
c
Explanation:
i think
Answer: its D
Explanation:
Why is meiosis important in maintaining genetic diversity?
Question 6 options:
A Meiosis creates diversity by cutting each chromosome exactly in half.
B The two different chromosomes of the organism producing the sex cell (egg or sperm) are mixed up during crossover, creating a new combination of alleles.
C It creates sex cells (eggs or sperm) that have exactly the same alleles (version of a gene) as the parents.
D The chromosomes in meiosis are copied so they are exactly the same as the organism producing the gamete, except they have just one copy.
Answer:
We now know that meiosis is the process of chromosomal reduction which allows the production of haploid germ cells necessary for sexual reproduction. Meiosis is furthermore important for its role in enabling genetic diversity and facilitating the repair of genetic defects through recombination.
Explanation:
Brainliest please?
Meiosis is a specialized form of a cell division in which number of chromosomes is reduced to half. The reduction in chromosome number is achieved by one round of DNA replication and two rounds of chromosome segregation.
Meiosis produces genetic variation by the process of recombination.Recombination occurs when two molecules of DNA exchange pieces of their genetic material. The process of recombination occurs during the prophase stage of meiosis I. In meiosis, crossing over occurs between the non-sister chromatids in a homologous pair (one from each parent) of chromosomes.The correct answer is option B. The two different chromosomes of the organism producing the sex cell (egg or sperm) are mixed up during crossover, creating a new combination of alleles.
Other options-
A. Meiosis creates diversity by cutting each chromosome exactly in half - incorrect .In meiosis the chromosome number is reduced to half.
C. It creates sex cells (egg or sperm) that have exactly the same alleles (version of a gene) as the parents-incorrect. The sex cells produced are not genetically identical to the parent cell.
D. The chromosome in meiosis are copied so they are exactly the same as the organism producing the gamete, except they have just one copy-incorrect. In meiosis the chromosomes are not exactly copied.
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5.
20. Given the following scenario, choose the best answer that explains
why it happens: The blue dye in the water traveled up the petals of the
white flower.
What 2 molecules can be used to determine blood type?
Red blood cell antigens determine your blood group
Answer: The antigens expressed on the red blood cell determine an individual's blood group. The main two blood groups are called ABO (with blood types A, B, AB, and O) and Rh (with Rh D-positive or Rh D-negative blood types).
When a bee visits a flower for sweet, sweet nectar, the plant's gametes are also spread to anoher plant. What kind of symbiotic relationship is this?
Answer:
Mutualism
Explanation:
Mutualism is a type of symbiotic relationship in which the two species of organisms involved benefit from one another i.e. the actions of one benefits the other.
In this question, a bee is said to visit a flower for sweet nectar, however, in the process of feeding on the flowers nectar, the plant's gametes are also spread to another plant by the bee. This is a type of MUTUALISTIC RELATIONSHIP because the plant is beneficial to the bee by providing food (nectar) while the bee also helps the plant by helping it pollinate.
Plants and batteries both store
mechanical energy
electrical energy
chemical energy
They both store chemical energy
How are aquifers connected to the water cycle?
Answer:
At a certain depth below the land surface, the spaces between the soil and rock particles can be totally filled with water, resulting in an aquifer from which groundwater can be pumped and used by people. Some of the precipitation that falls onto the land infiltrates into the ground to become groundwater.
Explanation:
is what i found on google.
hope this helps!
why do we need transcription?
10. True or false: During the light-independent reactions, ATP and NADPH are used to make glucose.
True
False
Answer:
true
Explanation:
i think not sure
9. What type of bond is pictured in the image below?
a. covalent bond
b. ionic bond
c. metallic bond
d. electron bond
ONLY 9
Answer:
c. metallic bond
Explanation:
Metallic bonding, unlike other forms of atomic bonding, involves delocalized elections. The negatively charged electrons form a "sea" around metal cations. Electrons within the valence shells of metals are only held loosely within their molecular orbits- the metals are held together due to the strong attraction between these delocalized electrons and positive nuclei.
The electrons are typically described as mobile, free, and delocalized. These traits are responsible for several metallic properties such as:
electrical conductivityheat conductivityelectronegativitymalleabilityAnswer: Number 10 is also C
Explanation:
Which student will most likely overcome their nerves?
A.one who thinks positively and practices the speech in advance
B.one who thinks positively and stays up late to practice the speech
C.one who gets plenty of rest and eats sugary foods for energy
D.one who gets plenty of rest and avoids practicing the speech
Answer:
A.one who thinks positively and practices the speech in advance
Explanation:
It makes more sense
Student will overcome their nerves who thinks positively and practices the speech in advance
Positive behaviourThe person who thinks positively and practices the speech in advance will most likely overcome their nerves because the positive behaviour has good effect on the personality of an individual. Those people who think negative, they will not get success in their life.
Practice's benefitsThere is a saying that practice makes a man perfect. That person who regularly practice a specific topic, they can do the speech very well or other things in their life so we can conclude that student will overcome their nerves who thinks positively and practices the speech in advance.
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Whats the answer? I need help
Answer:
Its 26 I'd assume sorry if I'm wrong it was kind of hard to read the question.
Briefly explain how each layer interacts with electromagnetic radiation from the sun by describing the temperature changes that occur
Explanation:
The layers of atmosphere are differentiated on the basis of different temperature gradients.Thus,different layers within the atmosphere are created.
Toposphere is heated from the ground. Thus, with increase in altitude temperature decreases.
In the stratosphere, temperature increases with altitude. The direct heat source for the stratosphere is the Sun. Air in the stratosphere is stable because warmer, less dense air sits over cooler, denser air.
In Mesosphere temperature decreases with altitude. Few gas molecules present in mesosphere absorb sun's radiation.The heat source is the stratosphere below. The mesosphere is extremely cold, especially at its top, about -90°C.
Thermosphere which also contains ionosphere.The density of molecules is so low in here that one gas molecule could easily go upto 1 km before it collides with another molecule. It is so little energy is transferred, the air feels very cold
Do trees need energy in order to grow? If so, where does that energy come from?
Answer:
the energy comes from sunlight
Explanation:
it's too simple...
Where does the H+ come from that makes ATP synthase work?
Electron Transport Chain
Krebs cycle
Glycolysis
What does photosynthesis and cellular respiration have in common?
Describe the way convection works and how it might work within the earth? -geology question
Answer:
Magma in the Earth's mantle moves in convection currents. The hot core heats the material above it, causing it to rise toward the crust, where it cools. The heat comes from the intense pressure on the rock, combined with the energy released from natural radioactive decay of elements.
Explanation:
Eukaryotic cells do NOT have a cytoplasm true or false
Answer:
False
Explanation:
what is the force of a rock falling of a cliff if it has a mass of 0.4 kg?
Answer:
impulse=force x time
force=mass x acceleration due to gravity
force=
impulse =3000 x 2.5= ( sorry i don't have a calculator right now so you must calculate this yourself)
I converted from kg to g because it is the standard.
Explanation:
Which sugar or sugars are broken down by lactase? How do you know?
Answer:
Lactase breaks down lactose, the sugar in milk which is made of several parts.
Explanation:
What conclusion can you draw if a sample a tourmaline scratches a sample of kyanite, but kyanite cannot scratch tourmaline?
Muscle fibers contain which of the following?
A.
Sarcolemma
B.
Sarcoplasm
C.
Multi-nuclei
D.
All of the above
Answer: D
Explanation: Muscles are made of sarcolemma (membrane), sarcoplasm(tissue), and they have multi nuclei inside of them.
What is biodiversity and why does it matter?
Answer:
The concept includes every species of bacteria, virus, plant, fungi, and animal, as well as the diversity of genetic material within each species. It also encompasses the diverse ecosystems the species make up and the ongoing evolutionary processes that keep them functioning and adapting.
Explanation:
Answer:
Biodiversity maintains the natural balance of ecosystems and every species has its niche. Species depend on each other in order to thrive from cockroaches to squirrel monkeys to pygmy elephants—and even the many of us who live in cities.
Explanation:
Hope this helped!
Which best defines matter?
A. Anything that takes up space and has mass
O B. Anything in the atmosphere
C. All the living things on the planet
O D. All solid objects that can be seen
Answer:
A. Anything that takes up space and has mass
Explanation:
Matter is often described as something that takes up space and has mass. Matter can be in the form of a solid, liquid, or gas, which eliminates all of the answer choices besides A.
Hope this helps :)
Sheela wants to demonstrate the importance of photosynthesis to plants and the other living organisms that eat plants. She models the process of photosynthesis that is specifically involved in the production of sugars.
Which process in the light-independent reactions of photosynthesis is she modeling?
the production of oxygen
the production of glucose
the production of carbon dioxide
the production of water
Answer:
the production of glucose
Explanation:
sugar=glucose
Request:
(Brainliest plzzz)
In this process, the light-independent reactions of photosynthesis are she modelling, and the production of glucose. Thus, option "B" is correct.
What is the chemical reaction of photosynthesis?The chemical reaction of photosynthesis is given as follows;
6CO₂(g) + 6H₂O(l) + Energy from light → C₆H₁₂O₆(s) + 6O₂(g)
Six molecules of gaseous carbon dioxide (CO₂) combine with six molecules of liquid water (H₂O) in the presence of energy from Sunlight to produce one molecule of solid glucose (C₆H₁₂O₆) and six molecules of gaseous oxygen (O₂)
Thus, option "B" is correct.
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What does an urn-shaped age pyramid represent?
Answer:
It represents young or rapidly growing population. In urn-shaped age pyramid, the number of reproductive individuals is higher than the number of pre-reproductive individuals. It represents declining or diminishing population with negative growth.
Scientists study salamanders and their ability to regenerate lost legs and tails. What additional information is essential for scientists to understand in order to apply this ability to humans who have lost limbs?
how quickly the body parts regenerate
how similar salamanders are to humans
which body parts are most often lost
which genes control regeneration
Answer:
The answer could be:
(/) which genes control regeneration
(/) how similar salamanders are to humans
(x) how quickly the body parts regenerate (salamanders' size and form does not equate to human beings)
(x) which body parts are most often lost (it was already given that it's legs and limbs)
Answer:
d
Explanation:
Cause i am the smartest
Identify the control group for the rat experiments described in the Paralytic Shellfish Poisoning Scenario.
Answer:
This question is incomplete
Explanation:
This question is incomplete. However, the control group of an experiment is the group in which every other group of the experiment is firstly compared with. This is because control groups are usually not administered with any form of treatment. Thus, the control group of the experiment/scenario referred to in the question will be the group that did not receive any form of treatment and was probably given water or placebo.
Which biomolecule provides the instructions to build enzymes?
A. Carbohydrates
B. Lipids
C. Nucleic acids
D. Proteins
Proteins are the building blocks of enzymes, and proteins are made up of amino acids that are linked together in one or more polypeptide chains. Therefore, option (D) is correct.
What are enzymes?Enzymes are proteins that aid in the acceleration of metabolic processes, also known as the chemical reactions that take place in our bodies. They are responsible for the creation of some chemicals while also decomposing others. Enzymes are present in everything that is alive. Enzymes are something that are produced by our bodies spontaneously.
Enzymes regulate most biochemical reactions in animals, plants, and microbes, thus there are many examples. Animal digestive enzymes are well-known. Gastric juices break down food with the enzyme pepsin. Salivary amylase turns starch into sugar, starting digestion.
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Patients generally report conscious awareness of posthypnotic suggestions. Please select the best answer from the choices provided T F
Answer:
false
Explanation:
edge 2020
Conscious awareness of posthypnotic suggestions is a false statement because it creates a subconscious.
What are posthypnotic suggestions?The directive was given to the subject during a hypnotic trance that must be carried out once the subject awakens.
A post-hypnotic suggestion is essentially a specific directive to be followed after the hypnotherapy session to the subconscious.
An illustration of this would be going to a hypnotist for help with weight reduction and having the suggestion made that every time you feel like a sweet sort of meal, you will feel like drinking some water instead" ingrained in your subconscious.
Therefore posthypnotic suggestions of having conscious awareness are false statements.
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Is it possible for it to rain at 0° F? (not snow)
im pritty sure no but my friend says yes somthing called frezzing rain sooooo