Could anyone help me on my recent post?
Answer:
yes :D
Explanation:
Answer:
shore what u need
Explanation:
how does metabolism work?
Answer:
Explanation:
Metabolism: Converting food into energy
Metabolism is the process by which your body converts what you eat and drink into energy. During this complex biochemical process, calories in food and beverages are combined with oxygen to release the energy your body needs to function.
Autotrophs make glucose during _____.
Answer:
photosynthesis (autotrophs are mainly plants )
I’m snapdragons flower color is controlled by incomplete dominance...
Identify the RNA bases that would pair up with the DNA sequence TGCACT.
TGCACT
ACGTGA
UCGUGA
ACGUGA
Answer:
D
Explanation:
It could be C also, but when translating to mRNA you replace T with U. I'd go with D.
If a female lion runs a distance of 469.2 meters while chasing an antelope, how many millimeters did she run?
Answer:
the lion ran 469200 millimeters
Explanation:
469.2 x 100 = 469200
Which correctly lists three forms of frozen water?
O dew, frost, rain
O frost, hail, sleet
O hail, rain, sleet
Orain, dew, frost
Answer:
b
Explanation:
The option that correctly lists three forms of frozen water is "frost, hail, sleet". Therefore, option (B) is correct.
What is frozen water?Frost is created when water vapor condenses and freezes onto a surface, like the ground or a window.
Hail is produced when powerful updrafts in thunderstorms carry raindrops high enough that they freeze into ice, forming large balls of ice that fall to the ground. This process results in the formation of hail.
Sleet is created when raindrops pass through a layer of cold air close to the ground. This causes the raindrops to freeze into small ice pellets before they reach the ground's surface.
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In diffusion, molecules
spread out
condense
In diffusion,molecules spread out condense
Answer:
Spread out
Explanation:
If you were to spray perfume, you would be able to smell if you moved slightly away from where you sprayed it as the molecules have diffused.
New species develop when??? Please help!
Answer:
by speciation
Explanation:
new species from by speciation, in which an ancestral population splits into two or more genetically distinct descendant populations.
When does facilitated diffusion occur?
Answer:
The word ‘diffusion’ means free movement across distance, with or without the presence of a barrier. However, there is a phenomenon known as facilitated diffusion which occurs at the cellular level. The cell does not allow free radicals and other harmful substances to enter and harm the cell organs.
Explanation:
Answer:
When certain large molecules are unable to move through the membrane without the help of channel proteins.
Explanation:
Facilitated diffusion occurs when large molecules that are unable to pass through a membrane on their own make use of channel proteins to move from one side of the membrane to the other. Facilitated diffusion can occur when a liquid on one side of a membrane has a higher osmotic pressure than a liquid on the other side of the membrane, but it isn’t a required feature of facilitated diffusion. Similarly, facilitated diffusion can occur when there’s a large membrane potential present, but it isn’t a required feature of facilitated diffusion. Facilitated diffusion doesn’t require the use of energy, so the presence of ATP is irrelevant to facilitated diffusion occurring.
Water molecules are able to attach to
other substances, particularly if they are
also polar.
Answer:
Water molecules form hydrogen bonds with each other and are strongly polar. This polarity allows it to dissociate icons in salts and bonds to each other polar substances such as alcohols and acids thus dissolving them.
What type of bond is found in region 2?
A. Hydrogen bonds
B. Peptide bonds
C. Covalent bonds
D. Enzyme substrate bonds
Answer: A
Explanation:
2. Which particle's mass is similar to a proton's mass? ( A. an atom B. a nucleus C. a neutron D. an electron
Answer:-
Option C. a neutron
What stage of respiration immediately follows the process depicted below? (2 points)
A)Electron transport chain
B) Glycolysis
C) fermentation
D)krebs cycle
Image Attached
Answer:
D) Krebs' cycle
Explanation:
The stage of respiration shown is pyruvate oxidation. This is the intermediate stage between the first and second stages of aerobic respiration.
The first stage is glycolysis, which is the breakdown of glucose into two molecules of pyruvate. After pyruvate oxidation, the next stage is the Krebs cycle. The Krebs cycle is a series of reactions that release energy through oxidation of acetyl-CoA.
Which of the following occurs just before the cell enters the G2 stage of
the cell cycle? *
O The nuclear membrane disintegrates.
O DNA replicates
O Centrioles form
O The nucleolus divides
Answer:
DNA replicates
Explanation:
S phase (Synthesis Phase) During this phase, the cell makes a variety of proteins that are needed for DNA replication. During S phase, which follows G1 phase, all of the chromosomes are replicated. Following replication, each chromosome now consists of two sister chromatids, the synthesis phase of interphase takes the longest because of the complexity of the genetic material being duplicated. Throughout interphase, nuclear DNA remains in a semi-condensed chromatin configuration
Describe at least 3 areas of carbon storage in the carbon cycle and how the carbon moves between these sinks
Question 9 of 10
How does an atom become a positive ion?
A. It loses an electron,
B. It loses a neutron,
C. It gains an electron
D. It gains a neutron,
SUSAN
Choose the most appropriate name for the function described below The height reached by the rocket depends on the amount of fuel
A.Height(fuel),or H{f}
B.Fuel{height},or F[h
C.Fuel{rocket) or F{r}
D.Height{rocket}or H[r}
B. Fuel{height},or F[h
el nino affects the weather worldwide.
1 True
2 False
Which statement below best describes the purpose of meiosis in creating gametes?
The purpose of meiosis is to produce gametes, or sex cells. During meiosis, four daughter cells are produced, each of which are haploid (containing half as many chromosomes as the parent cell).
The purpose of meiosis is to create gametes. Thus, it reduces the number of chromosomes to half.
What is meiosis?In sexually reproducing organisms, meiosis is a kind of cell division that results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm). Body (or somatic) cells in humans are diploid, meaning they have two sets of chromosomes (one from each parent).
The egg and sperm that combine during fertilization must be haploid or have only one pair of chromosomes, in order to sustain this state. Each diploid cell divides twice during meiosis to produce four haploid daughter cells, which are gametes.
In humans, autosome cells contain 46 chromosomes, while gametes contain 23 chromosomes. Hence, the main purpose of meiosis is to divide the genetic material in half.
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Water lilies grow in freshwater ecosystems. When a water lily plant is kept in seawater, it wilts. Which statement best describes what happens to the water lily plants in seawater?
a.Water moves out of the cells of the lily by osmosis
b.Water moves into the cells of lily by osmosis
c.The cells of water lily plants get less oxygen from the seawater
d.The cells of water lily plants lose all important nutrients to the seawater
IN A TEST RN!!!!
A group of students is studying the movement of thermal energy. The teacher asks the students to place the palms of their hands flat on tops of their wooden desks and describe what is happening. The teacher reminds the students that wood is a better conductor of thermal energy than air. Which statement is the best description of what is happening? Explain why.
1 point
The table feels cold because it is at a lower temperature than the air in the room.
The table feels cold because it is solid, and solids hold thermal energy better than air.
The table feels cold because it is at a lower temperature than the students’ hands and thermal energy is being pulled into the table.
The table feels cold because it is at a lower temperature than the students’ hands and thermal energy is being pulled into the students’ hands.
Answer:
A
Explanation:
Because i did this test
Answer:
A
Explanation:
Because when the room gets cold the table gets cold with it butr when it warms bakc up it takes longer
i need help asap!! I will reward brainliest!
When focusing a specimen it neccessary to focus on the lowest magnification first before switching to higher magnification. why do you think this is important?
Explanation:
the lower power will focus betterthan the high magnification
When fresh river water meets the salty ocean the waters do
a
They have different densities.
They form layers.
The fresh water floats on the salt water.
All of the above.
plzzzzzzzzzzzz helpppppppppppppp
Answer: No it takes a long time to form a fossil. Fossils don’t form within a few weeks. It probably took at least a decade for the dinosaur fossils to form, maybe even a century.
Explanation:
A beaker contains 0.64 L of water. What is the volume in milliliters?
0.64 L in milliliters is 640 milliliters.
The measure of the mass of an atom is called ________.
Question 1 options:
isotope
proton
energy
atomic mass
Answer:
D
Explanation:
similarities between seemingly unrelated organisms can be explained by Darwin's theory that organisms come from common ancestors true or false
Answer:
false
Explanation:
Answer:
Actually, this is true
Explanation
I just took the test on edu
How is IGCSE CEntre?
Answer:
so good place
Explanation:
Answer:
yepp it is a good place !!
How can temperature and pH affect enzymes?
Answer:
raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. extreme pH values can cause enzymes to denature.
enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate.