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VARVARA [1.3K]
2 years ago
13

Think about the structure and function of your backbone. why do you think there are discs of cartilage between the bones in the

vertebral column?
Biology
1 answer:
elena-s [515]2 years ago
5 0
The capacity of the backbone is to secure the spinal line, yet it additionally needs to take into consideration developments, for example, twisting around or turning from side to side. The a wide range of fragments of bone consider this bowing or bending significantly more than a solitary bone stretching out from the neck to the coccyx could. The circles of ligament serve two or three capacities. One, they help to interface each of the individual vertebral bones and avoid separation. Two, they keep the crushing of bone on bone that would happen if the vertebral bones were in coordinate contact.
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I’m having trouble understanding this can someone plz explain?
Leni [432]

Answer:

look at the pictures

Explanation:

1. If we cross the parental generation which is RR x rr, the probability of the F1 generation to get  rough coat is 100% and they will be a carrier of the recessive trait smooth coat.

Since the phenotypic ratio is 100% heterozygous Rr, in crossing the F1 to get the F2, we will use the genotype Rr. To get the F2, use the cross  Rr x Rr.

The phenotypic ration for F2 is 3:1. There is 75% to get rough coat and 25% smooth. The answer is based on the result on the Punnett square. On the other hand, the genotypic ratio is 1:2:1. There is 25% probability to get RR genotype, 50% Rr, and 25% rr.

2. Since the two parental mice got 6 albino offspring and 5 brown mice offspring, it is approximately 50%. it takes a parental mice who is Brown that is carrying an albino trait crossed with an albino to get offspring with almost the same number. Therefore, the genotype of the brown mice is Aa.

8 0
2 years ago
What did you change to make more white rabbits
Gennadij [26K]

Do you have a full detailed question? Or perhaps a photo of the question?

6 0
3 years ago
Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell memb
aniked [119]

Answer:

B (active transport using ATP)

Explanation:

Movement of substances normally occur in the direction of concentration gradient/difference i.e. the difference in concentration of a substance across a membrane. Letting molecules diffuse or pass down their concentration gradient does not require energy but pumping those molecules against gradient requires energy in form of Adenosine triphosphate (ATP). This process is called Active transport.

In order to perform certain cellular processes, cells need to move substances from their surroundings into the cell across their cell membrane. Moving this substances against the concentration gradient between the cell membrane and its extracellular fluid requires energy (ATP).

An example is the sodium-pottasium pump employed by animal cells in which they expend energy to move K+ molecules into the cell and Na+ molecules outside the cell against the concentration gradient of their cell membrane and extracellular solution.

5 0
3 years ago
What is the importance of enzymes?
ivanzaharov [21]
To speed up chemical reactions by decreases the amount of energy needed In the reaction
6 0
3 years ago
A fictional bacterial operon is responsible for the production of the biosynthetic enzymes needed to make the theoretical amino
Lostsunrise [7]

Answer:

a. The operon is under positive control

a.) Loss of enzyme synthesis results from loss of regulatory R gene product which is regulated in the presence of Tis ophane for transcription. Absence of (Tis), transcription is positively controlled by regulatory Rprotein

b.) The proposed model reveals Tis / B complex prevents Tis enzymes from undergoing transcription through the RB operator by binding to the B region

the role of the R protein is

-decrease affinity of Tis / B complex to B region of RB

-bind to the R region on RB

- change the conformation of B region

- yield decreased affinity of Tis / B complex when R gene is lacking preventing transcription in the process

Effects of the RB mutations is that R protein will not bind to Tis / B complex to reduce transcription

5 0
3 years ago
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