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Vaselesa [24]
3 years ago
13

Which tools would I use to heat 400 mL of water

Biology
1 answer:
kogti [31]3 years ago
5 0

Answer:

ruler, graduated cylinder

Explanation:

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Where are fossils mostly found
horrorfan [7]

Answer: Usually underground or in a Sedimentary Rock.

Explanation:

3 0
3 years ago
How do the two photosystems work together to capture energy from sunlight?
Katarina [22]
Photosystem II absorbs energy and energizes electrons. The electrons are passed along to photosystem I, which absorb more energy and adds it to the electrons.
3 0
4 years ago
Why is heating a first step in PCR amplification of extracted DNA?
luda_lava [24]

Answer:

Option). It permits hydrogen bonds between DNA strands to dissociate.

Explanation:

PCR (polymerase chain reaction) techniques can bed defined as a technique, which is used for in vitro amplification of sample DNA. It is made up of three steps, denaturation, primer annealing, and extension.

The first step in PCR is heating of sample DNA to denature the double stranded DNA by breaking hydrogen bonding present between bases of double stranded DNA.

Due to this, double strands of DNA get separated and provide templates for synthesis of daughter DNA strands.

Thus, the correct answer is second option.

4 0
3 years ago
Identify the 2 major groups of enzymes that make the redox reactions possible: Describe their role in these reactions.
adell [148]

Answer:Enzymes that makes redox reactions possible in a biochemical process includes those that help to catalyze the transfer of electrons, atoms, or functional groups.

Explanation:

Here are some class categories of these enzymes and their roles ;

• Oxidoreductases - Transfer of electrons (hydride ions or H atoms)

• Transferases - Group- transfer reactions

• Hydrolases - Hydrolysis reactions (transfer of functional groups to water)

• Lyases - Addition of groups to double bonds, or formation of double bonds by removal of groups Transfer of groups within molecules to yield isomeric forms

• Isomerases - Formation of C-C, C-S, C--0, and C-N bonds by condensation reactions coupled to ATP cleavage

The above are however classified, given code numbers, and assigned names according to the type of transfer reaction, the group donor, and the group acceptor.

7 0
3 years ago
A pea plant is heterozygous for both seed shape and seed color. S is the allele for the dominant, spherical shape characteristic
poizon [28]

Answer:

<h2>All the gametes are 25%;  SY(25% so on) Sy, sY, and sy . </h2>

Explanation:

Spherical shape (S) is dominant over dented shape(s), so  S is dominant over s;

Yellow (Y) is dominant over white color (y), so Y is dominant over y.

Here as given, parent is heterozygous for both parents.

so its genotype is= SsYy

Gametes formation follow both law of segregation and law of independent assortment:

So, 25% of gametes are SY

25% of gametes are Sy

25% of gametes are sY

25% of gametes are sy.

8 0
3 years ago
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