Answer:
Before a cell can divide, it must accurately replicate all of its chromosomes, including the DNA and its associated histone and non-histone proteins. This process begins at numerous origins of replication during the S phase of the cell cycle in each of a cell’s chromosomes simultaneously.
Explanation:
The cell cycle represents the coordinated sequence of events in the life of a cell from its formation to its division into two daughter cells.
a. True
b. False
The answer is true. I hope this helps. pleasemark brailyist
please help!! will mark brainliest
Answer:
Cabbage Haploid: 9
Chimpanzee Haploid: 24
Horse Diploid: 64
Kangaroo Diploid: 12
Human Diploid: 46
Why did he wear safety glasses?
Answer:
to keep you protect from dust or anything that can damage his eye
The term that describes when an enzyme loses shape and function.
Answer:
Denature
Explanation:
Denature
Answer:
A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.
ExplanatioEnzymes perform the critical task of lowering a reaction's activation energy—that is, the amount of energy that must be put in for the reaction to begin. Enzymes work by binding to reactant molecules and holding them in such a way that the chemical bond-breaking and bond-forming processes take place more readily.
Reaction coordinate diagram showing the course of a reaction with and without a catalyst. With the catalyst, the activation energy is lower than without. However, the catalyst does not change the ∆G for the reaction.
Active sites and substrate specificity
To catalyze a reaction, an enzyme will grab on (bind) to one or more reactant molecules. These molecules are the enzyme's substrates.
In some reactions, one substrate is broken down into multiple products. In others, two substrates come together to create one larger molecule or to swap pieces. In fact, whatever type of biological reaction you can think of, there is probably an enzyme to speed it up!
The part of the enzyme where the substrate binds is called the active site (since that’s where the catalytic “action” happens
organisms that cannot make their own food are called
Answer:
HeterotrophsExplanation:
Heterotrophs are organisms that cannot make their own food.
Answer:
Organism that eats or absorbs other organisms for food; can't make their own food from energy; also called a heterotroph.
Explanation:
If an atom has an atomic number of 12, it has 12 electrons.
True
False
Answer:
True, but it depends
Explanation:
If we specify a neutral atom, there MUST be equal numbers of positive charges, nuclear protons, and negative charges, electrons, that are conceived to orbit around the nuclear core.
Answer:
false
Explanation:
what’s the correct answer?
bio
Answer:
It is a type of homogenous mixture.
Explanation:
Which of the following statements best describes a benefit of sexual reproduction?
It creates many offspring in a short amount of time.
A
B
It prevents mutations from being passed on to offspring.
С
It results in diversity of the species that enhances the probability of survival.
D
It ensures the offspring will receive only the best traits from each of the parents.
Among the listed options, we can conclude that option C which states that "It results in the diversity of the species that enhances the probability of survival." is correct.
Sexual reproduction offers organisms an advantage over those who undergo Asexual reproduction. Though there are benefits and drawbacks to each method, Sexual reproduction is a method that is better adapted to a changing environment and promotes the faster evolution of a species.
The main benefit of sexual reproduction is that it allows for a greater diversity of the species which enhances the probability of survival. This is due to the fact that sexual reproduction leads to varying combinations of alleles for specific traits, which coupled with selective reproduction (the ability of a member of the species to choose a spouse with desirable traits) leads to offspring who over time are increasingly better adapted to life in the given environment, with specific traits tailored for survival.
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how does an electron transport chain lead to the generation of atp in the light-dependent reactions of photosynthesis?
Answer: How does an electron transport chain lead to the generation of ATP in the light-dependent reactions of photosynthesis? ... The electron transport chain directly absorbs light energy and transforms it into the chemical energy of ATP.
Explanation:
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#2…
#3…
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#5-…
Answer:
post it again
Explanation:
when does cognito farm use antibiotics on its cattle?
Answer:
Only when they are sick.
Explanation:
Why is mucus and cilia first line defense?
Answer:
the cluos in the cilia
Explanation:
it helps for you
Line is defined as a
a. a geometric shape that is open and moves from one point to another.
b. a slowly curving path along a plane.
C. a path through space.
d. The distance or area between around, above, below,and within objects.
Please select the best answer from the choices provided
Ο Α
ОВ
OD
Answer:
A is the answer
Explanation:
a line is a infinetly thin infinetly long straight line.
Please someone help me asap. <3
which skin cancer arises from the youngest epidermal cells
Answer:
Basal cell carcinoma develops from the youngest epidermal cells.
why is the digestion of starch to glucose necessary
Answer: The fundamental sugar unit for carbs is usually glucose. To address your question, starch digestion is required because enzymes and transport molecules require tiny, regular molecules to work with, and glucose is the foundation of most carbohydrate metabolism.
Explanation:
Answer:
The molecule of starch is too large and complex to enter a cell and therefore, it cannot be ingested directly. It is important to break down the bigger molecules of starch into smaller and simpler molecules of glucose so as to perform the process of glycolysis.
Explanation:
The process of glycolysis happens at a cellular level where glucose molecules are further broken down and utilized as energy to carry on various other cellular processes. The process of glycolysis happens in two stages namely:Energy requiring stage:Step 1: Glucose phosphorylation where a molecule of phosphorus is added to the glucose ring.Step 2: Energy releasing phase where the molecule of glucose-6-phosphate is converted to fructose-6-phosphate. Step 3: involves the phosphofructokinase reaction where fructose-6-phosphate is converted into fructose1,6-biphosphate.Step 4: involves an enzyme aldolase which converts the FBP into 23 carbon isomers.Step 5: involves the formation of glyceraldehyde-3-phosphate.Energy releasing stage: It breaks down glyceraldehyde-3-phosphate to pyruvate releasing 4 ATP and 2 NADP for cellular processes.For more information:
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At which of these times would you find most starch in a leaf
At the start of the day
In the middle of a day
At the end of a day
This question is about the nervous system.
Describe the function of receptors in the skin.
Answer:
The skin possesses many sensory receptors in the epidermis, dermis, and hypodermis, which allows for discrimination of touch such as pressure differences (light vs. deep). Other qualities of the external world assessed by skin sensory receptors includes temperature, pain, and itch.
Explanation:
Answer:
What is the function of the receptors in the skin?
The skin possesses many sensory receptors in the epidermis, dermis, and hypodermis, which allows for discrimination of touch such as pressure differences (light vs. deep). Other qualities of the external world assessed by skin sensory receptors includes temperature, pain, and itch.
hope this helped
Explanation:
Enzymes can help make bigger molecules oflr break them down by making or breaking ________.
Answer:
active site im not sure if it's right
what by-product of anaerobic respiration makes this possible
Answer:
The end products of anaerobic respiration are Lactic acid or ethanol and ATP molecules. Anaerobic respiration takes place in the absence of oxygen and is seen in lower animals. During the process of Anaerobic Respiration in prokaryotes, there is a breakdown of glucose to produce energy for cellular activities.
Explanation:
rank up
Concentration of water in a solution outside the cell is 30% The concentration of
water inside the cell is 70%. In what direction will the solvent move if diffusion
occurs? Is energy required?
Answer:
water will move out of the cell,energy is required
Explanation:
water moves through osmosis which is the movement of water molecules from a region of higher concentration to a region of lower concentration.
why is dna ligase important for a cell? select all that apply.
Answer:
DNA ligases play an essential role in maintaining genomic integrity by joining breaks in the phosphodiester backbone of DNA.
Explanation:
That's why their important but you didn't list any suggestions so I don't know the exact answer choices but that would've answered the question by itself.
the ________ is shared by the respiratory and digestive systems.
Answer:
oropharynx
Explanation:
what processes do all cells need to do to stay alive?
A block of aluminum has a mass of 40.5 grams. If the density of aluminum is 2.7 g/mL, what is the
volume of this block?
Answer: 15 mL
Explanation:
Volume = Mass ÷ Density
= 40.5 g ÷ 2.7 g/mL
= 15 mL
∴ the volume of the block of aluminum is 15 mL.
True/false: nerve tissue is found in the retina; the rods and cones in the back of the eye
A competitive inhibitor of DNA helicase was introduced into a cell. How would the introduction of this inhibitor affect DNA replication?
A) There would not be enough energy to drive the DNA replication process
B) Free nucleotides would be unable to join complementary base pairs.
C) Nucleotides would be unable to join together by condensation reaction to form a polynucleotide.
D) Some of the DNA would be unable to separate into two strands.
Answer:
Some of the DNA would be unable to separate into two strands.
Explanation:
It will effect as some DNA would be unable to separate into two strands.what is the geosphere, also called the lithosphere
Answer:
The lithosphere is part of a larger sphere called the geosphere. ... The lithosphere refers to the outer part of the geosphere, which includes the upper part of the mantle and the crust. The lithosphere is also part of the Earth where the rock cycle is found.
como puedo evitar el sobepeso?
Answer:
Explanation:
Limitar el consumo de alimentos que sean ricos en azúcares y grasas
Come varias veces al día fruta y verdura,
Realiza actividad física frecuente:
Guys please help me this is my second post lol- help asappp pls
How are coastal ecosystems a major source of oxygen for the rest of Earths waters?
Answer:
The ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it.
Explanation:
