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2 years ago

Do autotrophs need to perform cellular respiration?

1 answer:

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Many autotrophs make food through the process of photosynthesis, in which light energy from the sun is changed to chemical energy that is stored in glucose. All organisms use cellular respiration to break down glucose, release its energy, and make ATP. Autotrophs are also called producers. They produce food not only for themselves but for all other living things as well (which are known as consumers). This is why autotrophs form the basis of food chains.
Yes, autotrophs need to perform cellular respiration.

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Biologists use the fluid mosaic model to descfibe membrane structure. Which statements about the fluid mosaic structure of a mem

Mrac [35]

Answer:A, B, C

Explanation:

A. The phospholipids are arranged in bilayers withe the Polar head groups oriented towards the extracellular side and the cytoplasmic side with a hydrophobic core.

The plasma membrane also contain membrane protein

B. Some Integral protein are Transmembrane protein the span the membrane and provide a hydrophilic channel and are selective for particular solute such as enzymes, antigens, hormones

The peripheral protein exit on the surface of the bilayer the serve as signal protein

C. The membrane lipid bilayers are not static or rigid. They show free lateral movement of its components hence the membrane is fluid in nature. Fluidity enables the membrane to perform endocytosis and exocytosis

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2 years ago

The rough endoplasmic reticulum is a cell structure that consists of folded membranes that contain ribosomes. What is the advant

attashe74 [19]

Answer:

Explanation:

The folds contain ribosomes attached to the membrane. The more the folds the more the surface area to which more ribosomes can attach. The ribosomes are organelles responsible for the manufacture of protein in cells. Thereafter, the proteins are properly folded by the mediation of chaperones in the lumen of the RER.

6 0

2 years ago

Alleles A and a are located on a pair of metacentric chromosomes. Alleles B and b are located on a pair of acrocentric chromosom

Leto [7]

Answer:

See the second attached image showing the gametes from the parent with the location of the centromere indicating the type of chromosome

Explanation:

According to the position of the centromere, chromosomes can be of 4 types namely:

Metacentric
Acrocentric
Telocentric
Sub-metacentric

A metacentric chromosome is a chromosome that has no short or long arm. The arms are equal in length with the centromere joining the two sister chromatids located at the center.

Acrocentric chromosomes have unequal arm lengths with the centromere skewed towards one end of the chromosome.

Telocentric chromosomes have their centromeres at one end of the chromosome.

Sub-metacentric chromosomes have unequal arm lengths but the centromere is not as skewed to one end of the chromosome length as found in acrocentric chromosome.

The only possible gamete from aa bb parent is ab. Recall that the allele a is located on a metacentric chromosome while allele b is located on acrocentric chromosome.

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2 years ago

You are a dog breeder and are interested in two traits that you believe are inherited by simple genetic loci glossy (G) coat is

Paul [167]

Answer:

GL, Gl, gL, and gl

Explanation:

The mom is glossy long haired. Since glossy (G) is dominant over to dull (g) and long hair (L) is dominant to short hair (l), the possible genotypes of the mom would be:

GGLL, GgLL, GGLl, or GgLl

The dad is dull and short haired, the genotype would be ggll.

GGLL x ggll

Progeny = all GgLl (all glossy long haired)

GgLL x ggll

Progeny = 8 GgLl, 8 ggLi (glossy long haired and dull long haired)

GGLl x ggll

Progeny = 8 GgLl, 8 Ggll (glossy long haired and glossy short haired)

GgLl x ggll

Progeny = 4 GgLl, 4 Ggll, 4 ggLl, 4 ggll (glossy long, glossy short, dull long, and dull short)

Only a cross of ggll with GgLl produced the offspring that cover the phenotypic range shown in the illustration. Hence, the genotype of the mom is GgLl.

The parental gametes produced by the mom would be; GL, Gl, gL, and gl

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2 years ago

Scenario: Kenneth and Catherine Lohmann of the University of North Carolina explored the orientation or direction-finding abilit

UkoKoshka [18]

Answer:

Option A, shared their data with colleagues to obtain feedback on the work.

Explanation:

All researchers prefer to share their findings with their peers or other researchers working in the same field to get their reviews. This step is very essential as it makes the research authentic and removes the flaws that would have otherwise missed by the researcher.

Peer reviewers also give useful suggestion to further modify one’s research study based on their experiences.

Hence, option A is correct

8 0

2 years ago