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4 years ago

2. In what ways do normal stem cells contribute to maintaining homeostasis?'

Biology

1 answer:

aivan3 [116]4 years ago

8 0

Answer:

Stem cells has a great contribution in order to maintaining homeostasis in the body because stem cells are produced rapidly and sent to the sites of the body where cells are old or get damaged maintain stability in the body.

Explanation:

Stem cells are specially type of cells which has the ability to change their structure according to the cell needed by the body. If brain cells are damaged, stem cells change their shape according to the brain cells and perform their functions by replacing the damage cells.

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Imagine that a taxonomist is provided with several flashcards on which the names of different species are written. She would lik

cluponka [151]

Answer: A) yes

Explanation:

Phylogenetic trees forms as a result of speciation. These are useful in determining the relationship between the hierarchical groups depending upon the common ancestry. The genus and species are the two taxonomic groups in the biological classification. The species can be related to the genus or related species through common ancestral relationships. A genus can be related to the closely-related group of several species.

6 0

4 years ago

When compared to normal non-autistic controls, those with autism spectrum disorder have been found to have smaller minicolumns i

MaRussiya [10]

Analysis has resolute that minicolumns in the brains of autistic individuals tend to be smaller in size although with the same total number of cells per column. Autistic brains be likely to be larger than average, the effects specify that autistic also have a developed number of mini columns. The neurons in these individual mini columns tends to be reduces in size. Smaller mini columns would skew data processing in service of signal and possibly enhancing the capability to practice stimuli that require discrimination but also potentially at the expense of generalizing the silence of a particular stimulus. Reduced and tightly packed mini columns could also allow for more complex information processing.

8 0

3 years ago

Actin filaments have polarity. This means that the two ends can be identified due to structural differences. The plus end is the

Alenkinab [10]

Answer:

Explanation:

Add radio labeled actin sub units to a mixture of actin filaments in which conditions are favorable for polymerization. This would enable you to identify the plus end of actin filaments.

Actin filaments are linear polymer of globular actin sub units Actin filaments have polarity. This means that the two ends can be identified due to structural differences.

3 0

4 years ago

Determine the phenotypic ratios of the offspring. 9 yellow-inflated : 3 yellow-constricted : 3 green-inflated: 1 green-constrict

skad [1K]

From a cross between dihybrid individuals, whose diallelic genes code for one trait each, expressing complete dominance, the phenotypic ratio is B) 9 green-inflated : 3 green-constricted : 3 yellow-inflated :1 yellow-constricted.

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Since I do not have the cross, I will assume the cross involves two dihybrid individuals by looking at the options.

So, let us picture the situation,

Two diallelic genes code for one trait each, color and inflated/constricted pods.
G allele is the dominant and codes for green pods
g allele is recessive and codes for yellow pods
I is the dominant allele and codes for inflated pods
i is recessive and codes for constricted pods
These genes are not linked

1st Cross) Two h0m0zyg0us individuals

Parental) GGII x ggii

F1) 100% GgIi

2nd Cross) Selfcross between F1 individuals

Parentals) GgIi x GgIi

Gametes) GI, Gi, gI, gi

GI, Gi, gI, gi

Punnett square) GI Gi gI gi

GI GGII GGIi GgII GgIi

Gi GGIi GGii GgIi Ggii

gI GgII GgIi ggII ggIi

gi GgIi Ggii ggIi ggii

F2) Genotype

1/16 GGII
2/16 GGIi
1/16 GGii
2/16 GgII
4/16 GgIi
2/16 Ggii
1/16 ggII
2/16 ggIi
1/16 ggii

Phenotype

9/16 G-I- ⇒ Green and Inflated
3/16 G-ii ⇒ Green and constricted
3/16 ggI- ⇒ Yellow and inflated
1/16 ggii ⇒ Yellow and constricted

Phenotypic ratio 9:3:3:1

Options

A) 9 yellow-inflated : 3 yellow-constricted : 3 green-inflated: 1 green-constricted ⇒ NOT CORRECT

B) 9 green-inflated : 3 green-constricted : 3 yellow-inflated : 1 yellow-constricted ⇒ CORRECT

C) 9 green-constricted : 3 green-inflated : 3 yellow-constricted : 1 yellow-inflated ⇒ NOT CORRECT

D) 9 yellow-constricted : 3 yellow-inflated : 3 green-constricted : 1 green-inflated ⇒ NOT CORRECT

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5 0

3 years ago

Which characteristic is shared by both prokaryotes and eukaryotes

crimeas [40]

Answer:

both shares plasma membrane, ribosomes, cell membrane

6 0

3 years ago

Read 2 more answers