Answer:
Unable to understand the question
Explanation:
Increasing
carbon dioxide
concentration
increases the
rate of
photosynthesis
as carbon
dioxide (CO2) is
a
in
photosynthesis.
Above a certain
concentration,
further
increases in
concentration
do not increase
the rate of
photosynthesis
and it stops
being a limiting
factor.
Answer:
Increasing carbon dioxide concentration increases the rate of photosynthesis as carbon dioxide (CO2) is a limiting factor.
Explanation:
Some limiting factors like carbon dioxide, temperature etc. influence the photosynthetic rate, which may end up reducing the potential amount of carbohydrate produced by photosynthesis. Carbon dioxide is important for this form of biosynthesis: it provides the inorganic carbon that is integrated into carbohydrate molecules.
The photosynthetic rate can be slowed by a decline in the concentration of available carbon dioxide.
6 CO2 + 6 H2O + light → C6H12O6 + 6 O2
Carbon Dioxide + Water + Light Glucose + Oxygen
In which situation might a gene pool contain an allele that causes a lethal
disease?
A. If the allele is in the mitochondria
B. If the allele is expressed after reproduction has occurred
C. If the allele is on the Y chromosome
D. If the allele is expressed in its dominant form
correct answer is B; if the allele is expressed after reproduction has occurred.
The situation in which a gene pool contain an allele that causes a lethal disease is: (B) If the allele is expressed after reproduction has occurred.
When the allele is expressed after reproduction has occurred, individuals carrying the lethal allele can reproduce and pass on the allele before the disease is expressed. Since the disease may not manifest until later in life or after reproduction has occurred, the allele can persist in the gene pool without being selected against. Over generations, the allele frequency can remain relatively stable, leading to the presence of the lethal allele in the gene pool.
An allele can be defined as a variant form of gene. Alleles can exist in different forms due to changes in the DNA sequence. These changes can be substitutions, deletions, insertions, or other types of genetic mutations.
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2. What fluvial landform is A?
Answer:
The landform marked with A is an ox-bow lake.
Explanation:
In the image, we can see a river and another fluvial landform right next to it. The river is meandering, moving through the plain in a zig-zag manner. The landform next to it has a half-circular shape, and it seems as it has been attached to the river until recently. In fact, the landform next to the river has been a part of the river until recently, but because of moving too far away from the base it became detached.
The landform in question is an ox-bow lake. This is a lake that has a short lifespan, and it usually has a half-circular shape, being just a few meters away from the river from which it formed. Initially, the ox-bow lake was actually part of the river and its meandering, but as the erosion was moving the water further and further away from the base of the river bed, the water was moving harder and harder, so naturally, the water moves in a direction where it is easier to do so. Little by little, the river starts to move in another direction, closer to its base, and the part of the meander that went too far away gets detached, thus forming an ox-bow lake.
if you flip a coin 100 times, how many times would you expect to get heads?
Answer:
Well, you expect to get heads 50 times and tails 50 times
Explanation:
1/2 of the coin is heads and 1/2 of the coin is tails
You can expect to get both heads and tails 50 times each
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Chewing a saltine cracker.
physical
chemical
Answer:
Physical
Explanation:
Your not chemically chewing a cracker, you physically moving your jaw to chew the cracker
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what is the difference between phenotypes and genotypes
Answer:
Phenotype are physical traits a organism can inherit for example color, height, or body features are phenotype. Genotype are genetic traits that can be inherited for example personality, or behavior traits. So the primary difference between phenotype and genotype is that "phenotype are psychical characteristics while genotype is genetic."
Hope this helps.
process represents cellular division in body cells?
Answer:
There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.
Explanation:
What causes waves to form....tides pull the water upward but what moves the waves side to side.
A Wind and boats
B Heat and water
C Gravity and Water
D Wind and gravity
Given this sequence of nucleotide bases on a strand of DNA: TCAGAT, state the sequence on it's complementary strand of DNA.
ununhahhdhcbahhbhjcn hsj bchbhcachhas hca hvahvh
Has the research described in this article been
peer reviewed?
Answer:
Meaning, example of Peer reviewed article
Explanation:
Peer review refers to procedure of scrutinizing a researcher's scholarly work, by other experts & specialists in the similar field.
This provides an important advantage of this is proper scientific, logical verification of the study.
Examples of some peer reviewed journals : Journal of child & adolescent Psychiatric Nursing
Answer:
the article does not say
Explanation:
edge 22
If u know the water cycle please answer this question
Answer:
Gravity
Explanation:
Percolation is the process of a liquid slowly passing through a filter. It's how coffee is usually made. Percolation comes from the Latin word percolare, which means "to strain through." Percolation happens when liquid is strained through a filter, like when someone makes coffee.
Evaporation-the process of turning from liquid into vapor.
Condensation-water which collects as droplets on a cold surface when humid air is in contact with it.
and gravity- Gravity is the force of attraction between two objects, and Earth's gravity pulls matter downward, toward its center. It pulls precipitation down from clouds and pulls water downhill. The warm water near the surface of the ocean heats up with sunlight and evaporates, keeping the water cycle in motion.
Is water renewable or non-renewable?
yes or no?
explain:
Answer: yes.
Explanation: Non-renewable resources can be depleted and cannot be replenished. Water is a natural resource which is not only found on the surface of the earth in rivers, oceans, lakes, and streams but also underground. Water is a renewable resource.
Identify the organ of the digestive system.
A)stomach
B)small intestine
C)large intestine
D)liver
Which information can be determined using half-life?
Answer : In radioactive decay, the half-life is the length of time after which there is a 50% chance that an atom will have undergone nuclear decay. It varies depending on the atom type and isotope, and is usually determined experimentally.
hope it will help you
Answer:d
Explanation:
I did the quiz
How are seeds produced?
Answer:
When the ovum is fertilized by pollen tube core, it starts a process of differentiation which leads to the seed generation. In angiosperms, the fruit formation occurs from the ovary of flowers, simultaneously and in a similar way to the formation of seeds.
Explanation:
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All the terms below apply to anthozoans except
medusa
cnidocyst
septa
pharynx
Answer:
expect
Explanation:
What is the most common method used to count a large species population
Answer:
Sampling
Explanation:
In research terms a sample is a group of people, objects, or items that are taken from a larger population for measurement. The sample should be representative of the population to ensure that we can generalize the findings from the research sample to the population as a whole.
Why do you think in the table below, Adenine and Thymine have almost the same number – but not exactly?
Nucleotide
# found in genome
Adenine
701,234,142
Guanine
803,127,160
Cytosine
803,127,162
Thymine
701,234,146
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Answer:
B
Explanation:
deciduous Forest...
For the chemical formula C6H12 how many
carbons and hydrogens are there?
What is the function of a pollen tube?
to lead sperm cells into the ovary
to create more pollen
to create sperm cells
to lead egg cells to the sperm cells
Answer:
The function of the pollen tube is to lead sperm cells into the ovary.
Explanation:
In angiosperms, the pollen tube is a structure formed when the pollen grain comes into contact with the stigma and germinates, producing a tubal extension that is related to the embryonic sac where the female gametophyte is found.
The function of the pollen tube is to conduct the male gametophyte —which is found in the pollen— to the embryonic sac, in order to come into contact with the oosphere and produce fertilization.
The other options are not correct because the pollen tube:
Do not create more pollen. Do not create more male spermatophytes. Does not lead the eggs to the male spermatophytes.Answer: to lead sperm cells into the ovary .
Explanation: There needs to be a way for the sperm cells formed by the pollen's generative nucleus to reach the egg cells that are found in the ovary.
Planarians are a group of ____________ , free-living flatworms that capture their food via a process of wrapping around it, entangling it in slime, and pinning it down before a ____________ extends from the mouth, bringing the prey into a gastrovascular cavity where ____________ digestion occurs.
Explanation:
Planarians are a group of Turbellaria, free-living flatworms that capture their food via a process of wrapping around it, entangling it in slime, and pinning it down before a prey into a gastrovascu lar cavity where free-living flatworms that capture extends from the mouth, bringing the prey into a gastrovascular cavity where free-living flatworms that capture extends from the mouth, bringing the digestion occurs.
Alvin is propelled by ____ hydraulic thrusters and features an electrical system powered by lead-acid batteries. *
Answer:
Alvin is propelled by _gas or diesel___ hydraulic thrusters and features an electrical system powered by lead-acid batteries.
Explanation:
Technically, this implies that Alvin is working on motor-assist mode, using a hybrid engine. Alvin is, therefore, propelled by an internal combustion engine (given the presence of hydraulic thrusters) in addition to an electric motor, which uses energy stored in (lead-acid) batteries. Alvin must be a robot.
On a pH scale water is located at 7, hydrochloric acid (HCl) is located below 7 and sodium hydroxide (NaOH) is located above 7.
Group of answer choices
True
False
Which of the following is found on RNA but not DNA?
Answer:
Uracil (U) is a nitrogenous base found only in RNA but DNA is deprived of it. In DNA Thymine is found.
Explanation:
How is the purple stem trait variation similar to the tongue-rolling trait variation?
Explanation:
Species
A group of organisms that can reproduce and produce fertile offspring (children that can reproduce themselves)
Trait
Characteristic of an organism (body part, behavior, chemical, produced)
Variation
Differences in trait expression
Inherited trait
Trait passed from parent to children (offspring)
Acquired Trait
Traits learned by/changed in an individual from interaction with the environment
Protein
A special type of biological molecule (only found in organisms) that organisms use to build, maintain, and operate the cells/tissues/organs of their bodies. (Like a prepared meal)
DNA
The biological molecule that serves as the chemical instructions or blueprints for building all the proteins an organism needs to build its body and survive. (Like words in a cookbook)
Gene
A section of a DNA molecule that serves as the instructions to build one protein. (Like one recipe in a cookbook)
Chromosomes
Large packages of coiled DNA molecules that are passed from parents to children. (Like different chapters on a cookbook)
Pollen
Flowering plant sperm (male sex cell)
How was the earths biosphere affected during the Precambrian era
Answer:
Some three billion years ago, the Earth's atmosphere was virtually devoid of oxygen. At about 2.4 billion years ago, oxygen was released from the seas as a byproduct of photosynthesis by cyanobacteria. Levels of the gas gradually climbed, reaching about one percent around two billion years ago.
Explanation:
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My parents jus order the ps5 they just told.me it will be here next weel
Answer:
U IS LUCKY A F
Explanation:
HOPE U ENJOY IT
Answer:
i also have a ps5
Explanation:
Below is a sequence from a template strand of DNA. Write the sequence of the mRNA that would be transcribed from this. Be sure to label the 3’ and 5’ ends.
DNA:3’ A G G T C T T C A C 5’
mRNA:
Answer:
In the transcription of DNA to mRNA, for the DNA sequence 3'-AGGTCTCAC-5' corresponds to an mRNA sequence 5'-UCCAGAAGUG-3'.
Explanation:
Transcription is the process by which a strand of mRNA, needed to direct protein synthesis in the cytoplasm, is synthesized from a strand of DNA.
The sequence of nucleotides in the RNA chain depends on the sequence of bases in the DNA strand, being placed according to the complementarity of nitrogenous bases, where a purine is complemented with a pyrimidine.
In RNA, the thymine base is replaced by Uracil, the complementary base to adenine of DNA.
ADN mRNA
A U
T A
C G
G C
For this reason:
DNA: 3’ A G G T C T T C A C 5’
mRNA: 5'-U C C A G A A G U G-3'