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alexgriva [62]
3 years ago
14

Name of compound of Ca(HCO)2​

Biology
1 answer:
Nesterboy [21]3 years ago
5 0

Answer:

Calcium bicarbonate

Explanation:

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What happens to the energy that is stored in cells? Check all that apply.
Julli [10]

Answer:

A, D & E

Explanation:   All ATPs are not spent at the same time, and futhermore, they are constantly replaced by the continuous process of cellular respiration that captures the chemical energy in the glucose molecules and stores them in ATP. During the release of this energy to power the biochemical reactions, much of it is lost as heat energy and this is why living organisms are always warm.

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8 0
3 years ago
Some molecules found in foods are known to be capable of driving DNA methylation or DNA demethylation. For example, folic acid (
Rufina [12.5K]

Answer: Eating excessive quantities of such molecules could deregulate this process, increasing methylation and repressing the expression of genes that should normally be expressed.

Explanation:

DNA methylation is one of the epigenetic mechanisms involved in the regulation of gene expression, because it is a process by which methyl groups are added to DNA.

Methylation then modifies the function of DNA when it is found in the promoter gene, it is essential for normal development and is associated with a number of key processes, including genomic imprinting, inactivation of the X chromosome, repression of repeating elements, aging, and carcinogenesis. Usually, <u>it acts to suppress gene transcription.</u>

For example, folic acid is essential for the rapid cell division that occurs during early fetal development and it also plays an important role in methylation and thus in gene regulation. <u>The metabolism of these vitamins is aimed at achieving adequate levels of  DNA methylation, necessary for the cellular processes</u>. Eating excessive quantities of such molecules could deregulate this process, <u>increasing methylation and repressing the expression of genes that should normally be expressed</u>.

3 0
3 years ago
Consider the phylogenetic tree. Which two organisms are most closely related, based on the tree above?
Aleksandr [31]
Answer: dinosaurs and birds
Plentiful collection of f<span>ossils of early birds and their most immediate predecessors has settled the century-old controversy about the origin of birds. Birds are now safely declared to evolve from a group of dinosaurs known as maniraptoran theropods. Birds have similar shape of the bones as a variety of maniraptorans have.  A host of fossils have shown also that the maniraptorans lay looked alike eggs as that of birds and they resemble the birds in the way they laid their eggs also. Those reasons prove that they are most closely related.</span><span>
</span>
5 0
3 years ago
Read 2 more answers
Nu. The chemical name for laughing gas is dinitrogen oxide. The two elements found in a sample of this gas are
PtichkaEL [24]

Nitrogen (N) and Oxygen (O)

The chemical formula is N_2O

6 0
3 years ago
A rock displaces 16ml of water. The density of the rock is 3.0g/cm^3. What is the mass of the rock? (Show formula, work, and uni
S_A_V [24]

Answer:

48g

Explanation:

Volume of rock=16cm^3 (1 ml=1 cm^3)

Density=3 g/cm^3

Mass=?

d=m/v

3g/cm^3=m/16cm^3

3g/cm^3*16cm^3 =m

Therefore, m= 48g

7 0
2 years ago
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