Answer:
the region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division.
Explanation
brainliest?
Answer:
A centromere is where the two chromtid of a chromosome meets.. It meant the centre
Select the correct statement(s):
a. The thalamus receives stimulus from all of the five senses (sight, smell, taste, hear, touch)
b. Pressure-sensitive baroreceptors uses tonic receptors which adapt slowly to the stimulus
c. The three layers that the retina is made of: photoreceptors, bipolar cells, rod cells.
d. The sense of smell uses phasic receptors which continuously fire as long as the stimulus is present
Answer:
The correct option is B Pressure-sensitive baroreceptors uses tonic receptors which adapt slowly to the stimulus
Explanation:
a. The thalamus receives stimulus from all of the five senses (sight, smell, taste, hear, touch). FALSE. Olfactory information is not sent to the thalamus for its process. The rest is.
b. Pressure-sensitive baroreceptors uses tonic receptors which adapt slowly to the stimulus. TRUE. Among the different types of tonic receptors, we may find baroreceptors, irritation receptors, tactile receptors, and proprioceptors. Tonic receptors characterize by their slow adaptation to the stimulus. The first discharge is maximal when the stimulus is received and then it progressively decreases. They send a continuous signal to the CNS.
c. The three layers that the retina is made of: photoreceptors, bipolar cells, rod cells. FALSE. There are in fact three layers in the retina: photoreceptors, bipolar cells, and ganglion cell layers. NOT rod cells.
d. The sense of smell uses phasic receptors which continuously fire as long as the stimulus is present. FALSE. Olfactive sense uses phasic receptors, but not continuously. These receptors shoot when they receive the stimulus, and then cease if the stimulus keeps constant.
What is digestion and how does it work
Answer:
Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream.
Explanation:
Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules. The body then absorbs these smaller molecules through the walls of the small intestine into the bloodstream, which delivers them to the rest of the body. Waste products of digestion pass through the large intestine and out of the body as a solid matter called stool.
The sun
produces energy through
A. fission
B. photosynthesis
C. fusion
D. photovoltaic cells
Answer:
through nuclear fusion
Which of these is a form of nonrenewable energy?
Answer:
fossil fuels
Explanation:
BIOLOGY CIRCULATORY SYSTEM!! WILL NAME BRAINLIEST IF YOU ANSWER CORRECTLY!!
Answer:
Q1)Heart,Lungs,Arteries,Veins,Vessels
Q2)Blood vessels flow blood throughout the body. Arteries transport blood away from the heart. Veins return blood back toward the heart. Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances.
Please mark me brainliest.
Explanation:
g To generate a vaccine to pertussis toxin, a heat-killed preparation of Bordetella pertussis (the bacteria that produce pertussis toxin) is mixed with a purified preparation of the inactivated toxin protein. The mixture is then injected subcutaneously into mice. In an effort to enhance the antibody response to the toxin, a group of test mice is depleted of all their dendritic cells immediately prior to immunization. However, instead of enhancing the antibody response, the dendritic cell depletion nearly eliminated the anti-toxin antibody response because why
Answer:l
Explanation:
How do triglycerides play an important role in human metabolism?
Answer:
Triglycerides play an important role in metabolism as energy sources and transporters of dietary fat. They contain more than twice as much energy as carbohydrates. They are the main constituents of body fat. Hope it helps ❤️
what is the scientific name of frog
Answer: Anura
Explanation:
Answer:
The scientific name for a frog is Anura.
The physical location of genes on a chromosome is called the ______ ;in autosomes, the relative location of the same genes on the paternally- vs. maternally-inherited chromosome is the same/different.
A/ Allele, same
B/ Allele, different
C/ Locus, same
D/ Locus, different
E/ Proband, different
Answer:
locus same
Explanation:
this is the answer please mark me as brainleist
HELP ASAP Suppose a vessel has a blood flow rate of 17 ml/min and the pressure in the vessel drops by 37 mmHg. What is the resistance
in the vessel?
Answer:
The basic tenet of calculating resistance is that flow is equal to driving pressure divided by flow rate.
[tex]r = ΔP\div q[/tex]
where
R is Resistance measured in HGU ΔP is the change in pressure across the circulation loop measured in mmHgQ is the flow through the vasculature measured in L/minSo resistance is equal to:
[tex]r = 37mmhg \div 0.017l \div min = 2176hgu[/tex]
How does a single fertilized egg cell develop into so
many different types of specialized cells?
Answer:
They both cannot produce all cells. Multipotent- limited to replacing cells in the tissue where they are found.
Explanation:
Why do people make this to the seashore?
Answer:
Hey mate.....
Explanation:
This is ur answer....
REASONS :-
Soothing salt water. The minerals and salt in the ocean water soothe aching joints.
Exfoliate with sand. Sand acts as a natural exfoliator.
Workout in the waves.
Vital vitamin D.
Clear the mental clutter.
Technology detox.
Enjoying company.
Hope it helps!
Mark me brainliest pls...
FOLLOW ME! :)
help plz.............
Explanation:
c. I think at least sorry if its wrong
help bonus points
real ans plzz
Answer:
B. A Temperature Of 37°
Explanation:
Hope It Helps U.
Match the description to the stage of new born reflex it represents
Why do tropospheric ozone levels peak in the afternoon and summer?
Answer:
because exhaust fumes from morning rush hour have had time to react in sunlight.
Explanation:
Name the group which contains three columns of elements but no sub-group
Answer:
Group VIIIB
Explanation:
Which of the following is an example of a learned behavior? *
crying baby
swimming fish
walking
breathing
Answer:
Walking
Explanation:
In an experiment on synaptic transmission, a synapse was bathed in a Ca+2- free medium that was otherwise equivalent to extracellular fluid. An action potential was triggered in the presynaptic neuron. Although the action potential reached the axon terminal at the synapse, the usual response of the post synaptic cell, did not occur. What conclusion would you draw from these results? Explain your answer.
Answer:
Response of the postsynaptic cell is dependent on the neurotransmitter release
Explanation:
Calcium (Ca2+) is essential for the propagation of the action potential since it is required for neurotransmitter release. When an action potential reaches the end of an axon, voltage-dependent Ca2+ channels open and Ca2+ ions bind to regulatory proteins, thereby initiating the release by exocytosis of neurotransmitters contained in the presynaptic vesicles at the synapse and modulating the transmission of a signal to another neuron (i.e. the postsynaptic site).
Granite has only recently been exposed at a location on Earth’s surface. What will need to happen first in order for granite to become sedimentary rock?
Answer:
Granite has only recently been exposed at a location on Earth's surface. What will need to happen first in order for granite to become sedimentary rock? A thick layer of humus must form on top of the granite. The granite must be broken into smaller pieces by weathering processes.
Explanation: hope this helps dude
which process takes place last in the development of a human bean
Answer:
Neurulation of organogenesis is the last stage of human development. The gastrula stage forms three germ layers called ectoderm, mesoderm, and endoderm
Answer:
i think it's encodam..
the mRNA will have the base sequence--
Answer:
Determining mRNA Sequence
DNA is used as a template for the cell to build mRNA. DNA utilizes four bases, adenine (A), guanine (G), cytosine (C), and thymine (T), in its code. RNA also uses four bases. ... Therefore, if your DNA sequence is 3' T C G T T C A G T 5', the mRNA sequence would be 5' A G C A A G U C A 3'.
Explanation:
Hope this will help
What can we do in lieu of a breathable atmosphere
Answer:
Explanation:
I wonder how you would explain that both men and women are living much longer. In 1900 the average ago of mortality was 42 years old in the United States. We have nearly doubled that. In the province (Canada) where I live the mortality rate is nearly 81 years old. That is a huge improvement.
We have done in spite of contaminated air, oceans that resemble sewage sump (there is a plastic dump the size of Texas somewhere in the Pacific and the Atlantic is little better), a population increase that is unbelievable in terms of %. I wish my stocks would show that kind of % increase, and the current biological crisis -- I'm not allowed to name it. (There have been several of these pandemics since 1900.)
So I'll ask again: How are such things to be explained.
Is there always enough rainfall in the island for gardening?
this is the outer part of the earth and contains the crust and upper mantel
How has fossil fuels been a benefit getting us to modern day times
Answer:
The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.
Explanation:
define anaerobic respiration
Answer:
Anaerobic respiration is respiration using electron acceptors other than O2
Homogenization of rat liver cells results in the rupture of the cell membranes. Centrifugation of this homogenate compacts some of the homogenate into a pellet in the bottom of the centrifuge tube. Bathing this pellet with a solution containing succinate (a four-carbon organic compound), phosphate ions, oxygen, and ADP yields metabolic activity, including the production of ATP and the uptake of oxygen. This pellet most likely contains
Complete question:
Homogenization of rat liver cells results in the rupture of the cell membranes. Centrifugation of this homogenate compacts some of the homogenates into a pellet at the bottom of the centrifuge tube. Bathing this pellet with a solution containing succinate (a four-carbon organic compound), phosphate ions, oxygen, and ADP yields metabolic activity, including the production of ATP and the uptake of oxygen. This pellet most likely contains
1. peroxisomes
2. mitochondria
3. lysosome
4. Golgi complex
5. endoplasmic reticulum
Answer:
2. Mitochondria
Explanation:
Mitochondria are one of the biggest organelles in the cell. They degrade organic molecules, releasing chemical energy from their bindings through a process that consumes oxygen: cellular respiration.
The released energy is stored as ATP through the cellular respiration process and then is used in other cellular activities.
Mitochondria are more grouped in areas or tissues with higher energetical requirements.
As cellular respiration characterizes by consuming oxygen and producing ATP, we can assume that the pellet mostly contains mitochondria.
By considering the components of the pellet, we can deduce that it most likely contains MITOCHONDRIA.
Cellular respiration is a series of reactions by which aerobic cells consume oxygen and nutrients (e.g. glucose) to produce ATP and carbon dioxide.
Cellular respiration has three sequential steps: glycolysis, the Krebs cycle and oxidative phosphorylation.
Mitochondria are the energy center of the eukaryotic cells. The Krebs cycle and oxidative phosphorylation occur in the mitochondria, while glycolysis occurs in the cytoplasm.
The Krebs cycle produces a four-carbon molecule known as succinate.
Adenosine triphosphate (ATP), the energy coin of the cell, is produced from ADP and phosphate (Pi) in the three stages of cellular respiration.
Finally, oxygen is consumed during oxidative phosphorylation.
In conclusion, by considering the components of the pellet, we can deduce that it most likely contains MITOCHONDRIA.
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easy 5th grade science please look at photo and answer!! giving brainliest!
Answer:
I think it’s because of natural event because you can see that the tree is dry and that dryness cause by the heat. So its because of the heat that are damaging the trees.
Explanation:
Why do grocery store owners spray fresh fruits and vegetables with water?
Answer:
lthis is done mainly just to make them look nicer to apeal to more costumers