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Sedaia [141]
3 years ago
6

Which of the following is not a first line of defense against germs?

Biology
1 answer:
lesya [120]3 years ago
6 0
B. tears , this is not a first line of defense
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The disease called branched-chain ketoaciduria is commonly known as maple syrup urine disease, as the urine of a person with the
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Answer:

Recessive

Explanation:

A recessive disorder is expressed in a homozygous genotype only. Most of the recessive disorders are not expressed as the expression of the recessive allele is masked by a dominant allele in the heterozygous state. However, breeding between close relative (inbreeding) increases the homozygosity in the population and allows the expression of recessive alleles that were otherwise not expressed in the population.

According to the given information, the disease is rare and is mostly expressed in the progeny obtained by mating between closely related individuals (the first cousins). Therefore the disease is inherited in an autosomal recessive pattern.

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3 years ago
What are the structural and functional similarities and differences between mitochondria and chloroplasts?
Sveta_85 [38]

Answer:

Similarities between Mitochondria and Chloroplasts-

Both mitochondria and chloroplast consists of DNA , have two membranes, have fluids inside them and convert energy.

Difference between Mitochondria and Chloroplasts-

They have different number of compartments, have different functions, and are involved in different energy processes.

Explanation:

Difference in Mitochondria and Chloroplasts-

a) Chloroplast is found in plants and unicellular organism and Mitochondria is found  all cells.

b) Chloroplast converts solar energy into chemical energy while Mitochondria converts one form of chemical energy into other form of chemical energy

c) Chloroplast is involved in photosynthesis while mitochondria is involved in cellular respiration.

d) Chloroplast has three parts i) Thylakoid ii) stroma  and iii) granum while mitochondria has three parts i) Critsa ii) Matrix

Similarities between Mitochondria and Chloroplasts-

Both mitochondria and chloroplast consists of DNA , have two membranes, have fluids inside them and convert energy.

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In angiosperms, pollen grains are
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C. Hapliod, and are made when haploid spores undergo mitosis
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Look at the scientific names for the two organisms below:
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Colostrum, which is rich in protein, micronutrients, and antibodies, is replaced by mature milk in about colostrum, which is ric
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