Answer:
True
Explanation:
The cells in a middle layer of leaf tissue called the mesophyll are the primary site of photosynthesis. Small pores called stomata—singular, stoma—are found on the surface of leaves in most plants, and they let carbon dioxide diffuse into the mesophyll layer and oxygen diffuse out.
Match the following terms describing the physical/mecahnical events with the correct phases of the cardiac cycle. Each phase may be used more than once.Question Selected MatchAll 4 cardiac valves are closed and all 4 chambers are relaxed during this phase.The maximum amount of blood is in the ventricles at the end of this phase.The pressure in the ventricles is higher than in the atria, but lower than in the arteries, during this phase.The semilunar valves are open and the AV valves are closed during this phase.The atria contract at the end of this phase.The pressure in the ventricles is higher than the pressure in both the atria and the arteries during this phase.Systole begins with this phase.All Answer ChoicesA.ventricular ejectionB.ventricular fillingC.isovolumetric relaxationD.isovolumetric contraction
Answer:
1. Isovolumetric relaxation.
2. Ventricular filling.
3. Isovolumetric contraction.
4. Ventricular ejection.
5. Ventricular filling.
6. Ventricular ejection.
7. Isovolumetric contraction.
Explanation:
In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.
Generally, the cardiac cycle occurs in two (2) stages;
Diastole: in this stage, the ventricles is relaxed and would be filled with blood. Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.The following terms describe the physical or mecahnical events with the correct phases of the cardiac cycle in mammals (human beings).
1. Isovolumetric relaxation: All 4 cardiac valves are closed and all 4 chambers are relaxed during this phase.
2. Ventricular filling: The maximum amount of blood is in the ventricles at the end of this phase.
3. Isovolumetric contraction: The pressure in the ventricles is higher than in the atria, but lower than in the arteries, during this phase.
4. Ventricular ejection: The semilunar valves are open and the AV valves are closed during this phase.
5. Ventricular filling: The atria contract at the end of this phase.
6. Ventricular ejection: The pressure in the ventricles is higher than the pressure in both the atria and the arteries during this phase.
7. Isovolumetric contraction: Systole begins with this phase.
Question 1(Multiple Choice Worth 3 points)
(03.02 LC)
The average weather pattern of a region over a long period of time is known as
O weather
O climate
O elevation
O conditions
Answer:
Its b
Explanation:
4) Cell C suddenly lost all its dynamin proteins. Which of the following will most likely happen
right
away as a result of this loss?
A) Transcription factor X will no longer be able to go to the nucleus
B) A vesicle bud will no longer be pinched off from a membrane
C) A vesicle will no longer be tethered to a target membrane
D) A protein will no longer be targeted to the mitochondrial matrix
E) Two of the above
Answer:
B) A vesicle bud will no longer be pinched off from a membrane
Explanation:
Dynamin is a protein responsible for endocytosis, the process where the cell takes substances in from outside the cell through a system of vesicles. At the edge of the cell, the membrane pinches in to form a vesicle, which buds off from the membrane and enters the cell.
The step of this process that dynamin is involved in is in cleaving newly formed vesicles from the membrane. Without it, a vesicle bud will no longer be pinched off from a membrane
For what can we use the doppler effect to deduce in astronomy
A. the shape of orbital path of an object
B. whether the object is traveling toward or away from us
C. the Chemical composition of the objects
D. the type of spectrum the object emits
Answer:
B
Explanation:
Whether the object is travelling toward or away from us for PLATO.
Answer:
b whether the object is traveling toward or away from us
Explanation:
i just got the answer right on the test
For the number 8 where would the decimal be if there was a decimal
What light is this red leaf NOT absorbing?
Answer:
Can you post the picture please?
Explanation:
Identify the structure labeled B
A. Nucleotide
B. Base
C. Phosphate
D. Sugar
A biologist is trying to understand the relationship between water and plant growth. She hypothesizes that if she were to give a plant too much water, it would not grow as much. She designs an experiment to test her hypothesis. She plants 2 same-sized plants in the same amount of soil and places them in the same room. She gives Plant A a normal 200 mL of water daily, and gives Plant B a larger 500 mL of water daily. After 1 week, she notices that Plant A grew more than Plant B.
Answer:
The plant A grew better because a water needs normal water but if we put more water to the plants then it will die
A black bear in Washington may spend up to five months in hibernation, while a black bear in Florida may spend only four weeks. Which of the following explains why there is such a big difference in their hibernation periods?
A.Florida does not have a cold winter season, and food is available all year long.
B.The bear in Florida must feed more often than the bear in Washington.
C.There are more places to hibernate in Washington than in Florida.
D.It rains much more in Florida, and the bear cannot stay asleep.
PLZ HELP FAST.
Answer:
A
Explanation:
Bears hibernate in the cold, hibernating in the heat would be uncomfortable for the Floridian bear
Damage to the nerve cells without myelin sneath is perment because regeneration of nerve cells can only happen when
Answer:
Damage to the nerve cells without myelin sneath is permenent because the regeneration of nerve cells can only happen when schwann is present!
Hope this helps please give me brainliest!
God bless :)
Which of the following is NOT true about
ribosomes
A-Only eukaryotes have ribosomes
B-Ribosomes can be found on the rough
endoplasmic reticulum in eukaryotes
C-Ribosomes are made of a small subunit and a
large subunit
D-Ribosomes are different between prokaryotes
and eukaryotes
Answer:
I believe the answer is A.
I apologize if I'm incorrect, please let me know if I am tough I'm pretty sure I'm right.
is kissingg the homies gae
Answer:
no
Explanation:
only if y’all have socks on
If you move farther away from Earth, does it have the same amount of
gravitational force acting on you or does it change?
Answer:
The strength of the force is inversely proportional to the distance squared. The farther away an object is, the weaker the force; the closer, the stronger.
Mitosis occurs in all the cells of the organism.
Answer:
Mitosis is the process in cell division by which the nucleus of the cell divides (in a multiple phase), giving rise to two identical daughter cells. Mitosis happens in all eukaryotic cells (plants, animals, and fungi). It is the process of cell renewal and growth in a plant, animal or fungus.
Which of the following statements about enzymes is false?
А Enzymes are made up of amino acids.
B Enzymes make otherwise slow reactions proceed more quickly.
C Enzymes provide energy for endergonic reactions.
D. Enzymes are usually specific for the chemical reactions they catalyze.
The false statement about enzyme is - option C. Enzymes provide energy for endergonic reactions.
Enzymes are protein acts as biological catalysts. Enzymes increase the rate of reactions by lowering the activation energy.
Enzymes are made from amino acids. The chain of amino acids then folds into a unique shape.These are specific for the chemical reactionsEnzymes are biological catalysts that increase the rate of chemical reactions inside cells by lowering the activation energy therefore can not provide energy.Enzymes make slow reactions proceed more quickly.Thus, the false statement is - option C.
Learn more about enzymes:
https://brainly.com/question/13981863
(nutrient Cycles)
1. described what "carbon-based life"
means:
2. what causes carbon to return to the atmosphere in a very short time?
3. if one or more nutrients are missing in soil what could happen to the plants?
4. in salt water, blank causes algal blooms whereas in freshwater blank algal blooms.
If certain ocean species were to die out from ocean acidification, what would the impact be on the oceanic ecosystem and the remaining species?
Make a claim. Support your claim with relevant data or evidence from the article. Then, justify why the data or evidence supports your claim
Answer:27 negative
Explanation:
Meiosis produces which type of cells?
O Haploid somatic cells
Diploid somatic cells
Haploid gametes
Diploid gametes
Answer:
Explanation:
Haploid somatic cells
Answer:
Haploid because during meiosis one cell divides twice to for four daughter cells.
Explanation:
please help thermal energy transfer Click the links to open the resources below. These resources will help you complete the assignment. Once you have created your file(s) and are ready to upload your assignment, click the Add Files button below and select each file from your desktop or network folder. Upload each file separately. Your work will not be submitted to your teacher until you click Submit.
Answer:
these are instructions
a construction company is building a house. After a truck delivers the materials, workers build a wooden frame, cover the exterior with bricks, and spread gravel for the driveway. which resource used in the scenario is nonrenewable?
Answer:
the diesel fuel in the delivery truck
Explanation:
i took the quiz
Answer:
here u goo got a 100%
Explanation:
true or false all cells living or dead can produce new living cells
Answer:
TRUE!
Scientist use dead cell embryos to produce living cells
All cells living or dead cannot produce new living cells. Only the living cells can produce new cells. Therefore, the given statement is false.
What is Cell division?Cell division is the process by which a parent cell divides into two new daughter cells. Cell division usually occurs as a part of a larger cell cycle in which the living cell grows and replicates its chromosome before undergoing division.
Cell division occurs in living cells through mitosis and meiosis. The cell division occurs through karyokinesis and cytokinesis. Cell division is a part of the cell cycle. Cell cycle is divided into different phases such as G1 phase, S phase, G2 phase, and M phase.
Learn more about Cells here:
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What is the difference between active transport across a cell membrane and diffusion across a cell membrane?
A key difference between plants and animals is the method by which glucose is obtained to be converted to ATP. By what process do most plants obtain glucose for energy?
A. Photosynthesis
B. Ingestion of organic material
C. Aerobic cellular respiration
D. Anaerobic cellular respiration
Answer:
A. Photosynthesis
Explanation:
Plants absorb co2 and water. Through photosynthesis they create glucose.
I need help ASAP please
Answer:
D
in both the Eastern and Western Hemisphere
Explanation:
Which statement accurately describes the energy needs for photosynthesis and cellular respiration?
A. Solar energy is needed for cellular respiration but not for photosynthesis.
B. Chemical energy in the form of glucose is needed for both cellular respiration and photosynthesis.
C. Chemical energy in the form of glucose is needed for photosynthesis, and solar energy is needed for cellular respiration.
D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.
Answer:
D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.
Explanation:
The endocrine glands
a. transmit information from the sensory organs to the brain.
b. secrete hormones directly into the bloodstream.
c. are instrumental in producing myelin, which protects the neurons.
d. secrete neurotransmitters into the brain.
Answer:
B.secrete hormones directly into the bloodstream
The zika virus was first identified in Uganda in 1947. The virus is transmitted from person to person by a bite from a mosquito. It is commonly carried by the Aedes mosquito which is prevalent throughout Central Africa. The virus has more recently spread to the Americas (South, Central, and now North) and is expected to spread to Europe. There is a concern that the virus may reach epidemic proportions. Zika virus is related to yellow and dengue fever. Common symptoms are low grade fever and a distinctive skin rash and other symptoms include vomiting, headache, and muscle and/or joint pain. Pregnant women should avoid traveling to areas known to have zika virus present because the virus is known to cause microcephaly and developmental difficulties related to the central nervous system. Based on the paragraph above, class discussions, and other VALID (be careful with your selection of e-materials! CDC – Center for Disease Control is a good place to start) sources of information please answer the following questions.
1. State a reason why the virus has spread to the Americas and likely to spread to Europe.
2. Define the term microcephaly.
3. What bones of the fetal skull would be affected by zika? Specifically, what area of the CNS is not fully developed in microcephalic individuals.
Answer:
1. It is a highly contagious disease transmitted from person to person and thereby it is expected that infected persons carried the virus to America
2. Microcephaly is a serious birth defect where a baby’s head is much smaller than expected.
3. Occipital bone. CNS malformations: ventriculomegaly, parenchymal and periventricular calcifications and cortical migration anomalies
Explanation:
The Zika virus (Flaviviridae) causes a contagious disease and it is transmitted by Aedes mosquitoes, which are also the main vectors of the dengue virus. Microcephaly is a condition where the baby’s brain has not developed properly during pregnancy, and it has been shown that this birth defect is associated with the Zika virus. During 2015 in Brazil, the incidence of infants with microcephaly born from mothers that contracted this disease during pregnancy was higher, thereby suggesting an association between both conditions. Baby health problems associated with Zika infection include microcephaly (skull partially collapsed), joints with limited motion, etc.
in order to release energy through aerobic processes like cellular respiration, cells need to have access to which of the following gasses?
A
Nitrogen
B
Water vapor
C
Carbon Dioxide
D
Oxygen
Fermentation is an example of which of the following pathways?
Answer:
Anaerobic respiration
Explanation:
penn
Which products do not have scientific studies supporting their claims to be beneficial when used?
A. Cofactors and coenzymes to support enzyme function
B. Lactase enzymes used in milk sugar digestion
C. Enzyme that aids in the digestion of oligosaccharides
D. Enzymes to promote immune system function