Answer:
I think bacteria but im not sure
Explanation:
--------
Examine the flow chart above depicting the job of a gene known as p53. It plays an important role during the G2 checkpoint of cell cycle regulation. In 4-6 sentences, explain why p53 is often called "The Guardian of the Genome". Is p53 an oncogene (a gene that stimulates the growth of cancer cells) or a tumor suppressor gene (a gene that turns off the growth of cancer cells)? Explain your reasoning.
The p53 protein is known as the guardian of the genome because this protein prevents errors during DNA replication. It is a tumor suppressor gene.
Tumor suppressor genesTumor suppressor genes are genes that play fundamental cellular roles and prevent cell uncontrolled growth.
A tumor suppressor gene can repair errors that occurred during DNA replication, slow down the cycle of cell division, trigger programmed cell death, etc.
The p53 acts to control cell division and cell death, thereby avoiding the emergence of cancer cells.
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Brain is considered as the centre of all senses,why?
Answer:
The human brain is the command center for the human nervous system. It receives signals from the body's sensory organs and outputs information to the muscles.
Answer:
It receives signals from the body's sensory organs and outputs information to the muscles
Explanation:
Which of the following are examples of sexual reproduction?
A yeast offspring grows out of the body of its parent in a process called budding.
A pollen grain from one flower fertilizes another flower, resulting in the development of a seed.
A bacterium copies its DNA and divides into two daughter cells in a process called binary fission.
A piece of a starfish is broken off and grows into a new starfish in a process called regeneration.
A frog releases sperm over eggs that were laid by another frog, and these cells fuse together. help :,)
Answer:
A pollen grain from one flower fertilizes another flower, resulting in the development of a seed.
A frog releases sperm over eggs that were laid by another frog, and these cells fuse together.
Explanation:
Sexual reproduction is brought about by fusion of male and female gametes. Reproduction where a part of an existing organism develops into another organism is asexual.
what is the potential energy of a 10kg object sitting on a 2.5m high cliff
Answer:
245.1663 Joules
Explanation:
Use the potential energy formula which is U=mgh
Where m=mass in Kg
g=gravitational acceleration: 9.80665 m/s^2
and h=height in meters
Explain why some parts of a plant can act as both a source and a sink.
Answer:
Some organs are both a source and sink. Leaves are sinks when growing and sources when photosynthesizing. Rhizomes are sinks when growing but become sources in the spring when they provide energy for new growth.
hope this helps ☆☆☆
The leaves and rhizomes of the plant are found to act both as a source and a sink when growing and when they perform photosynthesis.
What are source and sink in plant?
Source organs are the organs which provide a net uptake of resources while sink organs are the organs which have a net drawdown of resources in the plant. Molecular mechanisms which are responsible for the regulation of the relationship between the sources and sinks. These molecular mechanisms include both the carbon and nitrogen-containing metabolites, plant hormones and genes.
Some organs in the plant are found to act both as a source and a sink. Leaves of the plant are sinks when growing and as source when photosynthesizing in the presence of sunlight during daytime. Rhizomes are the sinks when growing however they become sources in the spring season when they provide energy for the new growth.
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30 POINTS!!! If a forest burns down, which stage of the water cycle is interrupted in that ecosystem, and why?
a. Transpiration
b. Precipitation
c. Infiltration
d. Evaporation
Answer:
A.TRANSPIRATION
Explanation:
Trees have deeper roots than other plants, which implies they can access and pump up larger soil water volumes for transport to the leaves for transpiration and growth. ... The energy needed to evaporate all that water is withdrawn from the environment and leaves the system as embedded latent heat.
Which means if the forest got messed up the transpiration would be jacked up
digestion begins in the mouth and continues through the gi tract. where does most digestion and absorption of nutrients take place?
Answer:
Small Intestine
Explanation:
Most digestion and absorption of nutrients take place in the small intestine.
How do foods digest in humans?The digestion of food materials starts from the mouth, depending on the class of the food.
The digestion is aided by a variety of enzymes. From the mouth, digestion continues through the gastrointestinal tract vis a vis the esophagus, the stomach, large, and the small intestine.
However, most digestive activities happen in the small intestine as well as most absorption of nutrients into the bloodstream.
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Choose all of the items needed to complete a circuit
The items needed to complete a circuit include the following:
Wire BatteryLoadSwitchFunctions of the parts of a Circuit.The wire helps in the distribution of the electric current from the power
source in order to ensure it gets to the load.
The battery contains compounds which is responsible for providing the
energy required to power up the load.
The load could be a bulb, fan etc and is the final destination of the electric
current. The electric current powers up the load and makes it functional.
The switch helps to regulate the flow of electric current and has an 'on and
off button' to prevent energy wastage when not in use.
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how long does it take for a humming bird to flap its wings once?
Answer:
not really sure but i know it takes 10-15 times per second. also you might have to do some math i hope this helped a bit and sorry i couldn't give you an exact answer
what are the advantages of using an electron transport chain
Answer: The advantages of electron transport chains are directed
towards living things. Electron transport chains permit the cell to take energy from harvesting electrons .
Explanation: Read above.
if a plant is not green (does not contain chlorophyll) can it do photosynthesis? why or why not?
Answer:
No, it cannot carry out photosynthesis because the plant will not be able to absorb light as it does not have chlorophyll.
Explaination:
Chlorophyll in plants is used for absorbing energy from light. And, in photosynthesis, light/sunlight is one of the main factors needed, so as the plant cannot absorb light, photosynthesis can't take place.
What is the species name for humans?
A. Homo
B. Erectus
C. Carolus
D. Sapiens
Answer:
D. Sapiens
Explanation:
The scientific name is h.o.mo sapiens
h.o.mo is the genus
sapiens is the species
An index fossil represents a species that lived during
Answer:
geologic time
what would happen to the carrying capacity of the ecosystem & why
Q-a volcano covers an area with 2 feet of lava
Answer:
The carrying capacity would shoot downward.
Explanation:
The area would no-longer be able to support organisms or the ground until the lava cools off. Even after then, any plants that may have been there will be gone, meaning that the ecosystem can now support less herbivores, as well as less primary producers (plants).
Less plants, means less herbivores, which means less of the animals that eat the herbivores (secondary and tertiary consumers).
4. Which of the following best describes the growth of the population in the graph?
a
The population is undergoing logistic growth
b. The population is undergoing exponential growth
The population has reached its carrying capacity
d. The populations is being affected by limiting factors
Population Size
U
C.
Time
RESOURCE:
ASAP
Answer:c
Explanation:
Give an example of how water acting as a solvent is important for living organisms.
Answer:Water acts as a solvent of carbon dioxide excreted from tissues, in blood and helps in regulating pH (because it forms carbonic acid that lowers pH when it tends to get higher). Blood pH should be maintained at about 7.4. One major reason is that the structure of protein is dependent ton pH because pH determines its ionization hence also affecting the charges and interaction between side groups of amino acids. A change in pH may, therefore, denature proteins and negatively affect cellular functions.
Explanation: i took biology
Answer:
water is important for the following reasons
Explanation:
for drinking
for bathing
for entertainment purpose
for irrigation
for hypower electricity
i hope you got answer
i got it through social
These are
inorganic materials needed in small amounts
O Proteins
0 Vitamins
Water
0 0
Fats
well water would be the only possible answer
Describe the process of cell division in a plant cell.
Answer:
Cytokinesis in a plant cell: the cell plate forms down the middle of the cell, creating a new wall that partitions it in two. Cytokinesis, the division of the cytoplasm to form two new cells, overlaps with the final stages of mitosis.
Explanation:
How do I describe chloroplast
Answer:
a plastid that contains chlorophyll and in which photosynthesis takes place.
or
a type of plastid that is involved in the synthesis and storage of foodstuffs
Explanation:
hope this helps :)
Answer:
Chloroplasts are/have
- Oval shaped
- filled with chlorophyll
- have a 2 membrane structure
Chloroplasts are special and unique structures found in plant cells that are king when it comes to turning sunlight into energy for the plant to use. (this process is called chlorophyl)
Hope this helped!
Kinetic energy is described as Question 1 options: Movement Destroyed energy Stored energy Created energy
i am giving 100 points for this question
IF YOU DONT KNOW THE ANSWER OR NOT POSITIVE PLEASE DO NOT ANSWER.
Answer:
Movement
Explanation:
im pretty sure its movement, srry if wrong
Which statement is an accurate comparison of aerobic and anaerobic respiration in humans?.
Answer:
glucose → lactic acid.
Explanation:
hope it helps
The statement that will best compare aerobic and anaerobic respiration is :
More ATP is generated during aerobic respiration than during anaerobic respiration.Aerobic respiration is the type of cellular respiration which is a fixed metabolic reaction that occurs in the presence of oxygen while anaerobic respiration ia a type of cellular respiration which occurs in the absence of oxygen. Both respirationary process yields the required energy ( ATP ) in an organism that facilitates the proper functioning of the organism.
Hence we can conclude that The statement that will best compare aerobic and anaerobic respiration is : More ATP is generated during aerobic respiration than during anaerobic respiration.
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Pick the odd one out from each of the groups given below on the basis of respiratory organs. Give
reason for your answer.
(a) Cockroach, grasshopper, snail, ant
(b) Lizard, cow, earthworm, snake
(c) Crocodile, whale, dolphin, fish
fasst answer
if ur answering correctly i will sure mark u as a brainlist plz guisss
Answer:
a
Explanation:
because they are all arthropods
What human activity contributes to air pollution?
construction
reforestation
habitat restoration
dam development
Answer:
construction
Explanation:
because more pollution is produced when the construction is in process and the pollutions are
1.noise pollution
2.air pollution etc...
The human activity that results in air pollution is construction. Please find how construction results in air pollution below.
What is air pollution?Air pollution is the release of toxic substances called pollutants into the atmosphere.
Pollutants can be released into the atmosphere as a result of anthropogenic or human activities. These activities include:
ConstructionMiningFossil burningTherefore, the human activity that results in air pollution is construction.
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the hypothalamus controls the anterior pituitary by means of
Answer:
the answer is
releasing hormones
What does mitochondria do
Answer:
Mitochondria are small structures that make energy in almost all of your cells. They do it by combining oxygen with fuel molecules (sugars and fats) that come from food. When mitochondria are faulty, cells don't have enough energy.Explanation:
I'm mexican
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
Explanation:
a cell makes and secretes a certain protein. explain where it is made, how it is secreted from the cell and what kind of transport is used
. . . . . . .. . . . .. . . . . . . . . . . . . .. ..
Hope this helps
1. Who was Alfred Wegener?
How do Demetri's results show that digestive enzymes are crucial to maintaining homeostasis inside the body?
In addition to breaking down food so that the nutrients may be absorbed, enzymes also generate vitamins like biotin and vitamin K and protect the body from dangerous microorganisms.
What is homeostasis?A biological system's ability to self-regulate and maintain stability while responding to shifting environmental factors is known as homeostasis.
The body needs a steady supply of nutrients from food that has been digested. They are crucial for maintaining health and carrying out bodily tasks. The body may absorb and use food that has been broken down by the digestive system.
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Label the following with
N (neutron), P (proton),
E (electron)
___Negative charge
___ Atomic number ___determination
___ Atomic mass determination
___ Involved in bonding
___ Positive charge
___ when gained or lost creates ions
___ Neutral charge
___ Found in nucleus
Answer:
E, P, N and P, E, P, E, N, N and P
Explanation:
I am pretty sure the answers would go like this (in the order you have here):
1. Electron (they have a negative charge)
2. P (The atomic number is determined by the number of protons)
3. N and P (The atomic mass is determined by how many Neutrons and Protons there are in the atom)
4. Electron (they are usually involved in bonding)
5. Proton (they have positive charge)
6. Electron (ions are created when an atom has gained or lost electrons)
7. Neutron (they are neutral)
8. Both Neutrons and Protons (they stick together inside the nucleus)
I am not entirely sure why the atomic number determination has 2 blanks since it is only determined by protons, but I hope this helps. I havent studied this for a while but those are the best answers I can provide and have checked them with my books so I hope they are correct. Good Luck!
Dragon
1. A hedgehog lives in a backyard in England. Every night, the house
owner puts out a bowl of canned cat food and hard-boiled egg. The hungry
hedgehog eats some of the food, then stops when it is no longer hungry. This
pattern helps the hedgehog to maintain a steady energy level and weight. What is
the name for keeping a stable internal environment despite changes in the
outside environment?
A. hormonal control
B. stimulus and response
C. balance
D. homeostastis
Answer: D. homeostastis