Answer:
Hominids
Explanation:
What is needed by all living things to carry out all of life's processes?
Answer:
Living organisms need energy to carry out all of life's processes.
If the first nucleotide after the promoter on the bottom DNA strand is changed from C to T, what would the resulting nucleotide be on the mRNA
When the DNA's C is changed to T, the corresponding nucleotide on the mRNA strand will be A (adenine) to maintain the complementary base pairing.
Nucleotides encode genetic information in DNA. Due to complementary base pairing laws, DNA sequence alterations impact mRNA transcript nucleotides. If the first nucleotide following the promoter on the bottom DNA strand changes from C (cytosine) to T (thymine), the matching mRNA strand nucleotide becomes A.
Because C pairs with G (guanine) in DNA and RNA. T in DNA matches A in RNA owing to complementary pairing. The DNA sequence will influence the mRNA sequence during transcription, which may impact the protein synthesised during translation.
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Because of its ability to decompose into oxygen and water, hydrogen peroxide is very useful against what group of organisms
Answer:
Hydrogen peroxide works by producing free radicals that damage cellular macromolecules. Hydrogen peroxide has broad-spectrum activity, working against gram-positive and gram-negative bacteria (with slightly greater efficacy against gram-positive bacteria), fungi, viruses, and endospores.
Explanation:
Hope this helps.
what color indicates the presence of a high level of simple sugars
Answer:
Brown
Explanation:
Greens the lowest while Brown is the highest
In ________ the gametophyte is more obvious than the sporophyte. A. grasses B. mosses C. conifers D. ferns
Answer:
Mosses is the correct answer
The sympathetic nervous system's stimulation response is balanced by the parasympathetic nervous system's ________ response.
Answer: akinesia
Explanation:because it’s a nervous system
The sympathetic nervous system stimulation response is balanced by the parasympathetic REST and DIGEST response.
The autonomic nervous system (ANS) is divided into the parasympathetic nervous system and the sympathetic nervous system.The parasympathetic nervous system is responsible for normal body functioning and homeostasis, whereas the sympathetic nervous system deals with the fight, flight, or freeze responses.The parasympathetic system promotes rest-and-digest activities when the body is at rest.In conclusion, the sympathetic nervous system stimulation response is balanced by the parasympathetic REST and DIGEST response.
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help me pls:
7. Distinguish among asymmetry, radial symmetry, and bilateral symmetry.
8. Define cephalization. What is its relationship to bilateral symmetry?
Answer:
Bilateral symmetry because animals are able to be cut down the middle and have two equal half’s.
Explanation:
Cephalization means an evolutionary trend where nervous tissue over many generations become concentrated on one end of the organism........... I hope this helps !!!!!
umm... but UwU❤️❤️
What are the products of light dependent reaction of photosynthesis?
Select one:
1.ATP, RuBP, reduced NAD
2.ATP, Oxygen, reduced NAD
3.GP, RuBP, reduced NAD
4.GP, Oxygen, reduced NAD
Answer:
products of light dependent reaction of photosynthesis are- ATP, Oxygen and NAD
how do mirnas function in controlling gene expression?
Answer:
The genes of the ath operon code for the enzymes necessary to use athelose as an energy source. ... How do miRNAs function in controlling gene expression? by binding to mRNAs and degrading them or blocking their translation. Name the starting molecule from which cDNA is synthesized and the enzyme that does the synthesis
Explanation:
The graph above shows the initial rate of an enzyme-catalyzed reaction at
different substrate concentrations in the presence of a constant
concentration of the enzyme.
Connect the primary structure of the enzyme to its overall shape.
The overall shape of an enzyme changes after the attachment with the substrate.
Enzymes are proteins composed of amino acids that linked together in one or more polypeptide chains. This sequence of amino acids in the form of polypeptide chain is known as the primary structure of an enzyme.
The tertiary structure is the enzyme's overall three dimensional structure, which occurs due to interactions between the R groups of the amino acids that make up the protein and the active sites of the substrate with which the enzyme can attach so we can conclude that the overall shape of an enzyme changes after the attachment with the substrate.
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The primary structure of enzymes determinies their functions and their secondary and tertiary structures. R groups remain in the center of the molecule and stabilize the structure.
--------------------------
To answer this question, we need to remember that enzymes are proteins, and hence, they share many properties. From now on, we will refer to the enzyme as proteins or molecules.
AMINO ACIDSAmino acids are organic molecules. They are composed of a central carbon, one hydrogen atom, one carboxyl group (COOH), one amine group (NH2), and one R group.
The composition of the R group is what makes them different from each other.
PROTEINS -enzymes-Proteins are amino acid polymers linearly arranged and connected by peptidic bonds. These molecules characterize by their different structures.
The peptidic bond is the union of two amino acids by their carboxyl and amine groups.
The R group of each amino acid is involved in stabilizing the molecule through their interactions.
The amount of amino acids that compose the polypeptide and their order in the chain determines the primary structure of the protein. The primary structure of the proteins determines the tertiary one.
Protein functions also depend on the aminoacids sequences. Proteins with different functions have different sequences. And among species, proteins with similar functions have similar structures.
PROTEIN STRUCTURE
The primary structure refers to the sequence in which the amino acids are arranged in the chain.
The secondary structure is the folding that the polypeptide chain adopts thanks to the formation of hydrogen bonds.
The three-dimensional structure makes them even more stable in the environment and capable of properly accomplishing their biological role.
When proteins are composed of more than one polypeptide subunit, they arrange in a fourth structure, named quaternary structure.
The hydrophilic R-groups remain in the center of the molecule, facing the protein interior, and avoiding interaction with water.
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what is the other name for the autonomic nervous system?
Answer:
visceral motor system
Explanation:
Another name for the autonomic nervous system is the visceral motor system.
What is needed for natural selection to occur? select all that apply.
where does the electron transport chain get the high-energy electrons that are passed down the chain
Answer:
It gets the electrons from NADH and FADH2, which are produced in the Krebs cycle.
Explanation:
Name the two major components of chloroplasts, and associate each with one of two sets of
reactions that occur during photosynthesis. How are the two sets of reactions related?
Explanation:
i dont knowwwwww sorryyyyy
What are the characteristics of the mantle?
[tex] \: \: \: [/tex]
It is mostly solid rock, but less viscous at tectonic plate boundaries and mantle plumesMantle rocks there are soft and able to move plastically (over the course of millions of years) at great depth and pressure. The transfer of heat and material in the mantle helps determine the landscape of Earth.hope it helps
[tex] \: \: \: [/tex]
Answer:
Here's something i found to help.
Which is true about water molecules?
A. Water molecules are nonpolar, meaning their charges balance each other out.
B. Water molecules are polar, meaning they have a net partial negative charge.
C. Water molecules are polar, meaning they have partial negative and positive
charges.
D. Water molecules are nonpolar, meaning they do not interact with each other.
Answer: C
Explanation: Water is a polar molecule because the electrons of the hydrogen atoms get "pulled" towards the electrons of the oxygen atom. Which is both positive and negative on opposite ends.
It could be B as well but, I believe it's C
The ________, which stains dark as it contains pigments and blood vessels, is just underneath the retina.
The choroid stains dark as it contains pigments and blood vessels. It is
located underneath the retina. It also lies between the retina and the sclera.
The choroids are very rich in connective tissues( blood vessels) which help
supply the retina with vital nutrients needed for proper eyesight.
The choroids are usually thickest at the extreme rear end of the eye and also helps to maintain a constant eye temperature and volume. This is
important to prevent changes in eye size and temperature which may cause
eye destruction and diseases .
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modern horses are larger than ancestral horses. this is an example of
Answer:
stabilizing selection
Explanation:
Which statement best explains how enzymes speed up chemical reactions?
a) Enzymes change shape during chemical reactions,
b) Enzymes use light energy to speed up chemical reactions
c) Enzymes lower the activation energy of a reaction.
d) Enzymes gain heat from chemical reactions
what makes a cell responsive to a particular hormone?
The presence of a receptor for that particular hormone
What is the relationship between the light-dependent and light-independent reactions of photosynthesis
Answer:
In the light-dependent reactions, energy from sunlight is absorbed by chlorophyll and that energy is converted into stored chemical energy. In the light-independent reactions, the chemical energy harvested during the light-dependent reactions drives the assembly of sugar molecules from carbon dioxide.
Explanation:
hope it's help♡
QUESTION 8
A cell has 14 chromosomes. How many chromosomes will it have after it undergoes cytokinesis in mitosis?
OA) 7
B) 28
OC) 14
D)2
E) none
Answer:
C) 14
Explanation:
There would be 2 daughter cells, but each would have 14 chromosomes
Explain what are some examples of internal structures that allow organisms to survive in their environment?
Answer:
Plants and animals have many structures that help them survive. Some structures are internal, like the lungs, brain, or heart. Other structures are external, like skin, eyes, and claws. ... Other structures are more common, like a heart.
Explanation:
Answer:
lungs, fat, skeletal system
Explanation:
What is a reflex? [Science]
A. Similar nerve cell bodies grouped together in a nervous system.
B. Interaction of the information passing through neurons.
C. Behavior that doesn’t not involve the “higher” centers of an animal’s brain.
D. Part of the nervous system that connects the sensory receptors to the muscles.
Answer:
A
Explanation:
A student made a list of structures are observed in cells from two different organisms which statement describes the most likely difference in the way that organism one and organism two obtain energy
Gregor Mendel’s research formed the basis of the field of
genetics.
dominance.
recessiveness.
selective breeding.
Answer:
The answer is genetics
Explanation:
I chose this and got it right
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What is the probability that a hamster will have black, fine hair?
A) 2/16 (1/8)
B) 4/16 (1/4)
C) 1/16
D) 8/16 (1/2)
most of the energy that your brain uses comes from
Answer:
Glucose
Explanation:
The brain is an energy-hungry organ. Despite comprising only 2 percent of the body’s weight, the brain gobbles up more than 20 percent of daily energy intake. Because the brain demands such high amounts of energy, the foods we consume greatly affect brain function, including everything from learning and memory to emotions.
Just like other cells in the body, brain cells use a form of sugar called glucose to fuel cellular activities. This energy comes from the foods we consume daily and is regularly delivered to brain cells (called neurons) through the blood.
Studies suggest the quality of the foods consumed over a lifetime affects the structure and function of the brain. For instance, the consumption of omega-3 fatty acids found in fish provides structural material to maintain neurons. Studies also suggest omega-3 fatty acids are essential for the transmission of information between brain cells. In contrast, foods that are rich in sugars and saturated fats have been found to promote oxidative stress, which leads to damage to cell membranes.
The food you eat also affects molecules in the brain that support cognition. Some foods, such as those with turmeric, support cognition by helping to maintain molecular events related to energy metabolism.
Recent studies suggest lifestyle choices that affect the metabolism of nerve cells, such as diet and exercise, may in some cases provide a non-invasive and effective strategy to counteract neurological and cognitive disorders.
The outermost layer of rock on the earth is called
the crust, which includes the continental crust
and oceanic crust. Why is the oceanic crust
much thinner than the continental crust,
but much more dense?
A it's composed of silica which
is high in oxygen and silicon
B it's composed of basalt which
is high in iron and magnesium
C it's under the ocean
D it's younger
Answer:
B
Explanation:
The density of continental crust is 2.9 g/cm^3. Oceanic crust, while thinner, is made of mafic materials (Fe, Mg)-- mainly basalt
in most sexually reproducing organisms, the diploid phase of the life cycle begins at
The diploid phase of the life cycle begins with the formation of the zygote.
Meiosis is referred to the type of cell division which occurs in the production
of male and female sex cells. This also occurs during sexual reproduction.
Parent cells provide male and sex cells such as sperm and egg which
contains DNA. They then fuse together to form a zygote which is the diploid
phase as a result of the fusion of two haploid cells. The zygote then
continues to undergo some meiotic processes which reduces it to back to a
haploid cell and consequent growth to form a fetus.
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