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never [62]
2 years ago
6

Erwin Chargaff examined DNA samples from different organisms to study base pairing. Some data from DNA

Biology
2 answers:
Phantasy [73]2 years ago
6 0

Answer:

D

Explanation:

anastassius [24]2 years ago
3 0

Answer:d

Explanation:

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Which arrows show that a mid-ocean ridge is likely to be found at that boundary?
Strike441 [17]

Answer:

---->  <----

Explanation:

5 0
3 years ago
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A nurse is providing an in-service presentation to a group of new pediatric nurses and reviewing differences in assessment of ch
algol [13]
The characteristic that the nurse will describe is HIGHER PITCHED. 
When it comes to heart beating in children and adults, one major difference between the two is that, the heart sound typically auscultated in children has higher pitch than that of the adults.
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3 years ago
What caused the Kingdom of Life to change? Give 3 reasons minimum.​
docker41 [41]

Answer:

Due evolution, discoveries and having both characteristics.

Explanation:

The Kingdom of Life change due to evolution in the body of organisms, discoveries of new organisms that are different from plants and animals. There are some organisms that have both plant and animal characteristics so it can't be placed in plant or animal kingdom so that's why the kingdom of life changes from two kingdom system to 5 kingdom system.

3 0
3 years ago
In a particular family, one parent has Type A blood, the other has Type B. They have four children. One has Type A, one has Type
AlladinOne [14]

Answer:

The correct answer is -

Parental genotypes: AO & BO

Children genotypes: AB, AO, BO, and OO

Explanation:

In the human blood group system, more than two types of alleles are present that lead to the existence of four blood groups in the human population.

Here, A and B alleles are co-dominant while the O allele is recessive to both A and B alleles in the ABO system.

The cross depicting the genotypes of children is

IA IO

IB    IAIB    IBIO

IO   IAIO   IOIO

In this cross, we get the same result as given in the question -

One parent has A and the other has B type blood while the children have all four types of blood groups One has Type A, one has Type B, one has Type AB, and the last has Type O. It is possible only when parents are heterozygous in their genotypes and not expressing codominance.

6 0
3 years ago
A star turns matter into energy in the process of
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A star is a fusion reactor. Under enormous pressure, resulting from gravity, light nuclei of gases such as hydrogen merge to form helium, and since this process releases energy, the start begins to radiate the excess energy. Later on, helium fusion produces heavier elements, and so on.
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3 years ago
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