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aliya0001 [1]
3 years ago
15

The study of biology would be most helpful in finding a solution to which problem?

Biology
1 answer:
Eduardwww [97]3 years ago
8 0
Crop loss from fungus can be solved by study of biology.
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What type of reproduction occurs when animals produce cloned offspring
asambeis [7]

Answer:

A sexual reproduction it is mostly send in single sel organisms

5 0
3 years ago
12. The Punnet square below represents the result of the cross between two tall pea plants.
Nimfa-mama [501]

Answers:

Part A:

  • Genotypic ratio of offspring is 1:1 (50% homozygous tall and 50% heterozygous tall)
  • Phenotypic ratio of the offspring is 100% or all tall.  

Part B:

  • if two heterozygous tall plants (Tt) were crossed will produce dwarf plant in the ratio of tall plants to dwarf plants 3:1 (3 tall and 1 dwarf).            

7 0
3 years ago
Read 2 more answers
study examines the ACTN3 genetic alleles R and X, also associated with fast-twitch muscles. Of the people in this sample, were c
Kruka [31]

Answer: Yes, the samples of R and X of α-actinin-3 (ACTN3) R577X polymorphism provided evidence that the two options are not equally likely Conduct the test using a test for a proportion, using where represents the proportion of the population classified R.  

Explanation: On one hand, from the reports of the following researcher; (North et al., 1999), (Gomez-Gallego et al., 2009; Yang et al., 2003), (Vincent et al., 2007) and (Kikuchi et al., 2014) supported that α-actinin-3 (ACTN3) R577X polymorphism is associated with muscle fibre type for power, elite performance, important for anchoring actin and plays a regulatory role in coordinating muscle fibre contractions.  

On the other hand, researchers such as Erskine et al. (2014), on 51 untrained healthy Caucasian males, Delmonico et al. (2007) studied an association between the ACTN3 genotype and training responses in a large Caucasian population of 157 relatively healthy sedentary Caucasian men and women, Gentil et al. (2011) detailed the outcomes of 141 young men, Pereira et al. (2013) reported the influence of ACTN3 polymorphisms and ACE I/D alone and in combination with muscle strength, power, and functional phenotype in older Caucasian women following 12 weeks of high-speed power training and Lima et al. (2011), conducted a study of 246 women (age 66.7 ± 5.5 years) agreed that in healthy relatively young sedentary Caucasians that both the ACE I/D and ACTN3 R577X polymorphisms (alone or in combination) were found to be associated in the baseline muscle strength, muscle strength resistance training, thickness of muscles and athletic status.  

However, the X allele, which is associated with the absence of ACTN3 protein, is suggested to impair the performance of high force/speedy muscle contractions. Using (Gentil et al., 2011) as the control experiment, the sample of 141 men performed two resistance training sessions per week for 11 weeks. The Participants were tested for 1-repetition maximum (1RM) bench press, knee extensors peak torque and knee extensors muscle thickness at baseline and after the training period. Consequently, genotype distribution was 34.4% for RR, 47% for RX, and 18.6% for the XX genotype. Drawing an inference from the to the results, the R577X polymorphism at ACTN3 was not associated with baseline muscle strength or the muscle strength response to resistance training. However, only carriers of the R allele showed increases in muscle thickness in response to training.  

Exceptions: (Clerkson et al, 2005) posited that women with RR genotype had a greater increase in muscle power than the men while in Delmonico et al (2007) disputed that claim by saying that women with XX genotype have greater relative responses than men.  

3 0
3 years ago
Name six elements that are gaseous at room temperature
mars1129 [50]
Some common elements that are gaseous state at room temperature are:

Oxygen
Nitorgen
Fluorine
Chlorine
Hydrogen
Helium

In addition, all of the elements in group VIII are gases too, they have an octet of electrons (complete outer electron shell) , they're really stable and therefore they're called noble gases. Some examples from group VIII include helium, krypton, xenon etc.

Substance exist as gases in room temperature is due to their boiling point, where is it lower than the room temperature (usually around 25°C). If their boiling point is higher than room temperature, they should exist as either solid or liquid, which is how the majority of the elements in the periodic table is.
5 0
3 years ago
what is an advantage to studying mitochondrial genomes instead of nuclear genomes A: mitochondrial genomes contain more informat
inn [45]
Mitochondrial DNA is a smaller version of regular DNA; with Mitochondrial only having enough base pairs to create 37 genes. This means that mDNA is was sequenced and is a baseline in phylogenetics.  Your answer is going to be "C"
8 0
3 years ago
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