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Paul [167]
3 years ago
11

What did rudolf virchow discover in the cell theory?

Biology
1 answer:
cestrela7 [59]3 years ago
8 0
He discovered that cells come from cells that already exist
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Choose the correct definition and two examples of radiative energy.
Morgarella [4.7K]

radiative energy is energy in light. Sunlight carries this form of energy, as do other forms of light including X-rays and radio waves.

3 0
3 years ago
Describe the function of dna compared to rna. what is the name of the basic structural units of dna? of rna? of protein?
elena-s [515]
As for function DNA is basically a string of genes and RNA is what converts the information in the DNA into proteins. DNA is the control molecule of the cell and sits in the nucleus. It is made of two strands, connected by hydrogen bonds. Each strand is made of nucleotides.
5 0
4 years ago
A female rabbit heterozygous at two genes (named A and B) is test-crossed with a male rabbit. Their progeny include 442 A/a;B/b,
natta225 [31]

Answer:

The genes are linked and 10 mu apart.

Explanation:

A female AaBb rabbit is test crossed with a male rabbit (aabb). The male can only produce<em> ab</em> gametes (all the progeny will have ab on one of the homologous chromosomes).

If the genes assorted independently, the female would produce 4 types of gametes with the same frequency: 1/4 AB, 1/4 Ab, 1/4 aB and 1/4 ab.

However, the observed AB and ab gametes were much more frequent than Ab and aB, which means that the genes are linked and alleles on the same chromosome do not assort independently during meiosis.

Recombination is a rare event, so the most abundant gametes are the parentals. That is how we know that the mother had the AB/ab genotype. The recombinant gametes therefore are Ab and aB.

Distance (mu) = # Recombinants × 100/ Total progeny

Distance = (54 + 46) × 100/ 1000

Distance =  100 × 100/1000

Distance = 10 mu

6 0
4 years ago
A client has been prescribed theophylline intravenously and began the therapy three days ago. The nurse suspects that the serum
nadezda [96]

The question is incomplete and no options are available. So, the answer includes all the common statements.

Answer:

Theophylline may be defined as a drug used to treat the different respiratory diseases like asthma and COPD. The proper dosage of the drug required for the treatment.

The client is undergoing for the treatment. The serum level can be used to determine the therapeutic levels. The nurse can say that the drug is showing negative or excess effect. The drugs showing some immune reaction due to its high level.

6 0
3 years ago
How are the respiratory and circulatory systems similar? (5 points)
Georgia [21]

Answer:

D

Explanation:

Because the respatory system Circulates oxygen into the body and blood needs oxygen And the And the circulatory system circulates all the blood in your body Circulatory system circulates all the blood in your body in the works together with the respiratory system.

5 0
3 years ago
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