Given what we know about the methods used by scientists to estimate the weight of a dinosaur, we can confirm that the density of a dinosaur is scaled based on the average density of the common crocodile.
Scaling the density of an extinct animal based solely on bones can be a daunting task. Since the bones themselves do not offer much information on which to base such a calculation, scientists are often forced to rely on other estimations. One such example is the bone scaling method.
This method relies on the genetic relationships shared between the dinosaur and current-day living animals. This offers the ability to compare the dinosaur to the known body mass of a modern-day living animal. The animal most commonly used is the crocodile, however, though this method can provide the scientists with a degree of accuracy, it lacks precision.
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Special proteins that bind to enzymes during the cell cycle are called
a.CDK
b.Growth promoting factor
c.Cyclin
d.checkpoint
Answer:
cyclins and cyclin-dependent kinases (Cdks), are
Explanation:
I'm sorry if I'm wrong! :{
What is the potential energy of a 10-kg book that is placed on a shelf that is 2.5 meters high?
The potential energy of the book is 245 J.
SOLUTION:We are given the following:
mass m = 10 kgheight above a reference point h = 2.5 mUse the formula for potential energy. ( g = 9.8 m/s² )
[tex] \qquad {\boxed{\sf P.E._{grav} = m \times g \times h}} [/tex]
[tex] \sf P.E._{grav} = (10\:kg) \times (9.8\: \frac{m}{s^2}) \times (2.5\:m) [/tex][tex] \sf P.E._{grav} = (10\:kg) \times (24.5\: \frac{m^2}{s^2}) [/tex][tex] \sf P.E._{grav} = {\boxed{\sf {245\:J}}} [/tex]Therefore, the potential energy of the book is 245 J.
HOPE IT HELPS!Name the 2 different types of endoplasmic reticulum and explain the function of each type endoplasmic reticulum to the cell . (ie - what does each one 'produce', or make for the cell)
Answer:
The surface of the rough endoplasmic reticulum (ER) is covered in ribosomes, while the smooth endoplasmic reticulum is not covered in ribosomes.
Explanation:
Hence their terms, rough and smooth endoplasmic reticulum, the smooth is like a fine tube whereas the rough consists of ribosomes on its surface. Both the smooth and rough endoplasmic reticulum work together, delegate tasks and are the site for production and storage of proteins.
Smooth ER is responsible for storage and lipids production, while the rough ER is responsible for production of proteins and some hormones.
have a darling weekend ^w^
Determine which of the following steps cannot occur in the rock cycle.
magma → sedimentary rock
sedimentary rock → metamorphic rock
metamorphic rock → magma
igneous rock → sediment
thanks :)
Answer:
magma > sedimentary rock
Explanation:
magma can only be cooled into an igneous rock but cannot directly be formed into a sedimentary rock.
Raul is learning about fetal development, but is confused about the role mitosis plays in the fetus growing. In 3-5 sentences explain what mitosis does in fetal development. Include how the same DNA is in every cell, and how the fetus grows in size.
Answer:
Most of the fetus will be born in the 40 weeks of pregnancy, but really can accurately only about 5% of babies born in due two weeks in advance or delay two weeks are normal.
Explanation:
what color does iodine turn in the presence of starch?
while a neuron membrane is depolarizing its __________.
Given what we know about the depolarization of neurons, we can confirm that while a neuron membrane is depolarizing its sodium gates are fully open.
Throughout the human body, sodium is often used to cause shifts in membrane potentials, as well as a variety of other metabolic processes, due to the electric charge of this ion. One such example is the neuron, which uses a flood of sodium ions to depolarize its membrane.
During depolarization, the membrane potential changes from a negative charge to that of a positive one. This is caused by the rapid flooding of sodium into the cell, which increases the positive charge in the interior of the cell and thus affects the membrane's potential.
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help or no branlest :(
Answer:
B is the correct answer
Explanation:
The skeletal and muscular system was designed to support our body's structure. Therefor making it the best fit answer.
Answer:
Skeletal and muscular systems
Explanation:
.
Which of the following is a herbivore?
cricket
frog
hawk
shrew
Answer:
A cricket( but usually an omnivore)
Explanation:
It is because they eat fruit, nectar, seeds, small insects, some leaves, and will even nibble on dead larger animals.
Cricket
Explanation:
There are special 2 types
Herbivore who lives on only plants Carnivore who lives on animal or meatsAnother one is omnivore who lives on both
Which is transported in the xylem of a plant?
Answer:
B. Nutrients
Explanation:
Xylem transports water upwards through the stem from the soil
Dissolved in this water are nutrients such as nitrates which are vital for plants
Plz answer this question: Read the passage and examine the photos. Then, suggest two reasons that scientists think developing pollen grains made vascular plants the most successful plants that live on land.
Answer:
Vascular plants are successful due to better transportation for water, nutrients and reproduction.
The xylem and phloem of the vascular bundles allow for distribution of water and food to all parts of the body.
What Job classification has the most answer?
[tex] \large \text{Answer} \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
Job classification is what a system is called that is designed to classify all jobs within a company and put them in a standardized scale based on the overall tasks, responsibilities, pay level, and duties associated with a specific job.
the internal hereditary code that is inherited by one cell to another cell is the ___
If gastr/o is the combining form for stomach, what is the medical term that means removal of half of the stomach
PLEASE HELP ME QUICK ILL GIVE 85 POINTS
Answer: I think b
Explanation: really sry if I’m wrong
Answer:
9j 7 77777 h7jhoa lllll
Explanation:
emission meaning in biology?
Answer:
expelling, discharge, emission - any of several bodily processes by which substances go out of the body; "the discharge of pus" nocturnal emission - ejaculation during sleep (usually during a dream)
Explanation:
This is the correct answer happyAnswer:
An emission is something that has been emitted—released or discharged. In general, emissions consist of things like gas, liquid, heat, sound, light, and radiation. ... This exhaust is just one form of carbon emissions—greenhouse gases from various sources that are known to contribute to global warming and climate change.
hi madam , ek vicharu ka tumhala tumcha aani amol cha breakup zala ka?
_____ acts on proteins to produce peptides which are later broken down into _____ in the small intestine
the method of passing microorganisms by touching is called:
Answer:
it is called communicable
what is a blue sea stars domain?
Answer:
Linckia laevigata (sometimes called the "blue Linckia" or blue star) is a species of sea star in the shallow waters of tropical Indo-Pacific.
...
Why did you leave me when I needed you the most it hurts me
Lol jk
points for yall hehe
Answer:
I need to pee and in tired of this school
Answer:
I'm not worth it
Explanation:
I am not the person who can heal when you're hurt or in pain.
How do the properties of lipids
help explain the structure of a cell membrane?
Explanation:
Lipids give cells membranes a flexible structure which forms a strong barrier between the cell and its surroundings
Answer:
Lipids give cells membranes a flexible structure which forms a strong barrier between the cell and its surroundings. This tells us that the lipid surrounds the structure which then forms the shape of the cell.
Explanation:
The shape of the earth’s orbit is known as______ it can change from almost a perfect circle to
The shape of earth's orbit is known as
elliptical (egg like).
O obliquity
O precession
O orbit
O eccentricity
Answer:
A.
Explanation:
Because the other ones do not make sense.
The use of restriction enzymes and electrophoresis to generate a map of the DNA molecule is known as
The use of restriction enzymes and electrophoresis to generate a map of the DNA molecule is known as RESTRICTION MAPPING. This technique is used to map an unknown fragment of DNA.
Restriction enzymes are enzymes that cut a DNA fragment at specific nucleotides sites, thereby generally smaller fragments of DNA.
Restriction mapping is a strategy used to map unknown fragments of DNA by digesting them into smaller fragments and then identifying the specific sites of the DNA breakpoints.
Restriction mapping can then be used to create a diagram of fragments of DNA marked with specific sites where they are cut by specific restriction enzymes.
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Females have the chromosomes XY.
True
False
Answer:
False
Explanation:
The X chromosome is one of two sex chromosomes. Humans and most mammals have two sex chromosomes, the X and Y. Females have two X chromosomes in their cells, while males have X and Y chromosomes in their cells
(Hope this helps can I pls have brainlist (crown)☺️
Answer:
false
Explanation:
female have XX
The outermost layer of rock on the earth is called
the crust, which includes the continental crust
and oceanic crust. Why is the oceanic crust
much thinner than the continental crust,
but much more dense?
A it's composed of silica which
is high in oxygen and silicon
B it's composed of basalt which
is high in iron and magnesium
C it's under the ocean
D it's younger
Answer:
B
Explanation:
The density of continental crust is 2.9 g/cm^3. Oceanic crust, while thinner, is made of mafic materials (Fe, Mg)-- mainly basalt
how does dna polymerase add dntp monomers to the growing chain?
Answer:
The 3′ carbon of the DNA chain forms a covalent linkage with the phosphate group on the 5′ end of the dNTP. ... The system detects mutations because they produce an irregularity in the DNA molecule.
Explanation:
What particular organ or component of the body that is involved in regulating PH.
Answer:kidneys
Explanation:
it filters all liquad
Which of the following are water problems? Select the three correct answers.
droughts
condensation
pollution
conversation
runoff
floods
Answer:
floods are the water problem
gene regulation can occur only during transcription and translation.
The statement described is false, gene regulation is a process that can occur at any time during the expression of a gene.
Gene regulation includes all those processes that affect the action of the final products of genes, that is, the regulation of the synthesis of macromolecules is called gene regulation or expression.
This regulation can be carried out at any stage of the synthesis or maturation of the macromolecules, and taking into account many variables it will be developed at the most appropriate point.One of the most important regulation points is carried out at the level of transcription, since this is the initial stage of transfer of genetic information, control is achieved at the beginning.Therefore, we can conclude that the pathway that leads from DNA to proteins is made up of multiple stages, and gene regulation can occur at any time during them.
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Which organ is Two tissue
Answer:
Organs, such as the heart, the lungs, the stomach, the kidneys, the skin, and the liver, are made up of two or more types of tissue organized to serve a particular function.
Explanation: