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hichkok12 [17]
3 years ago
5

Dennis Meadow’s __________ asserted that due to the expanding human population, the ecosystem will collapse by the middle of the

twenty-first century.
Biology
2 answers:
Marrrta [24]3 years ago
8 0
His book was "The Limits To Growth" my good man
Korvikt [17]3 years ago
4 0

Dennis Meadow’s "The limits to growth" asserted that due to the expanding human population, the ecosystem will collapse by the middle of the twenty-first century. According the research presented in the book Earth's resources cannot support present rates of economic and population growth much beyond the year 2100.

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How do scientists describe a genotype that has one copy of the recessive allele?
Rom4ik [11]

Answer:

Heterozygous

Explanation:

A genotype describes which alleles of a particular gene a person has. We have two copies (alleles) of each gene, one from mom and one from dad, but these alleles can be different.

Often, these alleles can be dominant and recessive with regards to eachother. The dominant allele will always be displayed in the phenotype, whereas the recessive will not be presented, as it is masked by the dominant gene. If you have two copies of the dominant gene (homozygous) you will display the phenotype associated with the dominant genotype. If you have two copies of the recessive gene (homozygous) you will display the phenotype of the recessive gene.

If you have one copy of each (heterozygous), you will display the phenotype of the dominant gene, even though your genotype has a copy of each.

6 0
3 years ago
Penicillin-binding protein 2a, encoded by the medA gene, isn’t affected by beta-lactam antibiotics.
Flauer [41]

Answer:

The correct answer is - false.

Explanation:

Penicillin-binding protein 2a or PBPs are protein produced by bacteria that binds with the β-lactam antibiotics such as penicillin. They play role in the cell wall synthesis of bacteria by producing peptidoglycan by catalyzing the reaction.

β-Lactam antibiotics bind with the PBPs and cause the disruption to peptidoglycan cross-linking in the biosynthesis of the cell wall and ultimately lysis of bacteria takes place and cell death.

7 0
3 years ago
Over time this separation an inability to mate with one another led to the emergence of new species. This type of speciation is
Sliva [168]

Answer: This is called allopatric speciation. The species continue to evolve in the own way, adapting to their different conditions. The eventually become two different species adapted to each environment.

8 0
4 years ago
Which expressions is equivalent to 8-(6r+2)?
Simora [160]

Answer:

The answer is A.-6r+6

Explanation:

All you have to do is Simplify the problem

3 0
3 years ago
Read 2 more answers
A signal molecule in the interstitial fluid binds to a receptor on the cell membrane, triggering an intracellular cascade. Which
Lady bird [3.3K]
<h2>Function of The Cell Membrane</h2>

Explanation:

  • <em>There are a few unique kinds of this simple development of particles. It could be as basic as atoms moving uninhibitedly, for example, assimilation or dispersion.  </em>
  • Proteins are utilized to help move atoms all the more rapidly. It is a <em>procedure called encouraged dispersion.</em>
  • It could be as straightforward as acquiring a glucose particle. Since the cell film won't permit glucose to cross by dispersion.  
  • The cells are in a zone where there is a huge focus contrast. For instance, oxygen particle focuses could be exceptionally high outside of the cell and extremely low inside.
  • <em>Those oxygen particles are little to such an extent that they can cross the lipid bilayer and enter the cell.  </em>
  • <em>This is a water explicit procedure. For the most part, cells are in a domain where there is one convergence of particles outside and one inside.</em>
  • Since focuses like to be the equivalent, the cell can siphon particles in an out to remain alive. <em>Assimilation is the development of water over the layer</em>
5 0
4 years ago
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