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sweet [91]
2 years ago
15

Given the findings in the passage, which additional result most strongly indicates that the TGFBR1 and TGFBR2 receptors regulate

TGFβ-dependent epithelial proliferation?
Biology
1 answer:
zysi [14]2 years ago
5 0

Answer: Option B.

Explanation:

The first experiment of the passage shows that treatment with TGFBR1 and TGFBR2 antagonists led to lower levels of epithelial cell production. For this conclusion to be strongly valid, we want to show a positive correlation between TGFBR activity and epithelial proliferation.

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Which of the following is the primary cause of the rapid rise in loss of biodiversity?
xz_007 [3.2K]
The best and most correct answer among the choices provided by your question is the third choice or letter C.

Human activity is the primary cause of the rapid rise in loss of biodiversity.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
8 0
2 years ago
Read 2 more answers
Choose all the answers that apply. Cold air:
bulgar [2K]

Answer:

Where are the choices if the choices are there I'll help

4 0
2 years ago
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In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sal
Lera25 [3.4K]

Answer:

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

Explanation:

Given

Black hair allele is represented by "B"

Red hair allele is represented by "b"

Trait of having six fingers is represented by "F"

Trait of having five fingers is represented by "f"

Also , B is dominant over b and F is dominant over f

Genotype of sally having black hair and five fingers when her father has red hair is  Bbff

Genotype fo Bill having red hair and six fingers  when his mother had five fingers is bbFf

Bbff * bbFf

Bf         bf         Bf         bf

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

5 0
2 years ago
Find two other examples of compounds that biomagnify. Explain how each compound and/or toxin enters the biosphere and what impac
alina1380 [7]

Answer:

1. DDT (

Dichlorodiphenyltrichloroethane) with molecular formula; C14H9Cl5

2. Lead

Explanation:

1. DDT (Dichlorodiphenyltrichloroethane) is an example of compounds that biomagnifies in the biosphere. DDT is used as pesticides. When DDT is sprayed on plants to kill their pests, part of it is accumulated within the plants.

However, when primary consumers feeds on the affected plants, DDT is passed on to them and then to the secondary consumer in that sequence until it get to the top of the trophic level.

Effects of DDT have been seen in many organisms including birds and humans. The effects seen in humans is quite minimal to that of insects and birds. DDT causes lost of many insects and young birds. In humans, it causes vomiting, seizures etc.

2. Lead: it enters the biosphere by absorption and consumption means. Humans through the use of lead paint, smoking of cigarettes, use of cosmetics and combustion of coal accumulates lead in their bodies. Lead can't be synthesize by human, therefore it accumulates and biomagnify within their systems.

The effects of lead in human include; vomiting, stroke and abdominal pains. In tough scenario, it causes immune system deterioration and cardiovascular diseases.

4 0
2 years ago
What is a consequence of the specific heat capacity for liquid water, ice and water vapor
Arisa [49]

<em>Water has unique chemical characteristics in all three states—solid, liquid, and gas—thanks to the ability of its molecules to hydrogen bond with one another. Since living things, from human beings to bacteria, have a high water content, understanding the unique chemical features of water in its three states is key to biology. </em>

<em>In liquid water, hydrogen bonds are constantly being formed and broken as the water molecules slide past each other. The breaking of these bonds is caused by the energy of motion (kinetic energy) of the water molecules due to the heat contained in the system. </em>

<em>When the heat is raised (for instance, as water is boiled), the higher kinetic energy of the water molecules causes the hydrogen bonds to break completely and allows water molecules to escape into the air as gas. We observe this gas as water vapor or steam. </em>

<em>On the other hand, when the temperature drops and water freezes, water molecules form a crystal structure maintained by hydrogen bonding (as there is too little heat energy left to break the hydrogen bonds). This structure makes ice less dense than liquid water.</em>

8 0
1 year ago
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