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professor190 [17]
3 years ago
11

Which of the following describes a negative feedback loop?

Biology
2 answers:
wolverine [178]3 years ago
5 0
I believe the answer is b
sveta [45]3 years ago
5 0

ANSWER is A

When blood sugar concentration is too low, the endocrine system secretes hormones that increase blood sugar concentration to a normal level.

Explanation:

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A team of scientists splices a human gene into bacterial plasmids. The human gene codes for insulin. Then the scientists use the
Inessa [10]

Answer: D. The genes for antibiotic resistance help the transformed bacteria survive in their environment.

Explanation:

First and foremost, we should note that plasmids used in the delivery of DNA typically consists of genes which helps in antibiotic resistance.

Based on the question given, we should note that the genes for antibiotic resistance help the transformed bacteria survive in their environment. This is because cells that have been treated with plasmid are able to survive and grow compared to those that have not been treated with plasmid which are eventually killed by the antibiotic.

8 0
3 years ago
The second stage of cellular respiration is _____.
erica [24]
The Krebs cycle. The steps are 1. Glycolysis 2. Krebs Cycle 3. Electron transport chain. The Calvin cycle is in photosynthesis.
3 0
4 years ago
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What 6 characteristics distinguish archaebacteria from eubacteria
torisob [31]
The other two Domains being "Bacteria" and "Eukarya" (which includes us humans). Archaebacteria<span> are characterized by having different cell call components, coenzymes and RNA Sequences compared to bacteria. ... </span>Eubacteria<span> have a rigid cell wall. However, they can be both gram positive and gram-negative.</span>
8 0
4 years ago
The picture represents a lipid before it undergoes the process of digestion. The chains that are broken during the process of di
Arlecino [84]

Answer:

Fatty acid chains

Explanation:

A Triglyceride molecule is made up of 3 fatty acid chains and 1 glycerol molecule held together by ester bonds.

Digestion of lipids using lipases hydrolysed the ester bonds to release 1 molecule of glycerol and 3 molecules of fatty acid chains.

5 0
3 years ago
If a corn plant was heterozygous for kernel color and seed shape, what would be the genotype of the plant?
NNADVOKAT [17]

Answer:

<em>The genotype of the plant will be PpSs and the phenotype will be purple colour and smooth shaped. </em>

Explanation:

Considering the description in the question, we know that purple colour is dominant over the yellow colour and smooth shape is dominant over the wrinkled shape.

A homozygous trait can be described as a trait which arises due to the same alleles of a gene. A heterozygous trait arises when both the alleles of a gene are different. In such a case, one allele will be dominant over the other one and the phenotype of the dominant allele will be seen in the plant. As purple colour and smooth shape are dominant traits, hence they will be seen in the heterozygous plant.

8 0
3 years ago
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