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Sunny_sXe [5.5K]
3 years ago
13

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Biology
1 answer:
hichkok12 [17]3 years ago
3 0

Answer:

first one because of co2

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Explain how XY mice with a duplication of chromosome 1 develop<br> ovaries and a female phenotype.
Dahasolnce [82]

Answer:

Duplication of the Dax1 is associated to equivocal sex determination on how XY mice develop ovaries and a female phenotype which comes from strong expression of the homologous gene (Ahch) in the first stages of gonadal (and adrenal) differentiation.

Explanation:

Dose-Sensitive Sex Reversal Locus on Chromosome X, Gene 1 , DAX1∗ (officially, nuclear receptor subfamily 0, group B, member 1; NR0B1) is a member of the nuclear hormone receptor superfamily of transcription factors that functions primarily as a transcriptional repressor.

Duplication of the DAX1/NROB1 locus is associated with male-to-female sex reversal, that is ambiguous external genital differentiation ranges.

One X chromosome and one Y chromosome in each diploid cell of their bodies differencite males from females, who typically have two X chromosomes but XX males that are SRY-positive have two X chromosomes, with one of them containing genetic material from the Y chromosome, making them phenotypically male but genetically female.

DAX1 protein may be directly or indirectly involved in gonadal regulation of hypothalamic-pituitary function.

3 0
4 years ago
What sequence of bases would pair with GTACG?
Mazyrski [523]

Answer:

catgc

Explanation:

7 0
4 years ago
In an ocean ecosystem, an overgrowth of giant kelp has developed. Crabs love to eat this type of plant. How will this overgrowth
tamaranim1 [39]

Answer:

Due to there being more kelp, more crabs will survive and this will increase the crab population.

Explanation:

8 0
3 years ago
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All of the following are types of passive transport except Group of answer choices facilitated diffusion endocytosis diffusion o
AnnyKZ [126]

Answer:

<u><em>Endocytosis</em></u>

Explanation:

Facilitated diffusion just means that a channel/carrier protein facilitates the transport of the molecule. It goes along the concentration gradient.

Diffusion is simple passive transport/simple diffusion. Only small nonpolar molecules can do this.

<u><em>Endocytosis is a type of bulk transport. It is when macromolecules are brought into the cell. This is a type of active transport because it requires energy to do.</em></u>

Osmosis is specifically used for water, and water is a small, nonpolar molecule. In a phospholipid bilayer/cell membrane, aquaporins (a protein) are used to facilitate transport across the membrane. Fun fact: Reverse osmosis is used to desalinate salt water. They basically push water through a man-made membrane that will only allow water to pass through.

Overall, passive transport is along the concentration gradient, while active is against it (going along the concentration gradient means if there is more of one molecule on one side of a membrane than the other, the molecule on the higher side will go towards the lower side)

I learned this in respect to a phospholipid bilayer. If you need a further explanation on any of this lmk.

8 0
4 years ago
Im lonely so pls help tell me why GOOD ANSWER
alexdok [17]

Answer:

Well, where are you? It's probably because we're all under quarantine. Social distancing sucks, you start to go crazy being alone. I'm sure it's just because you can't go do things or interact with people.

6 0
3 years ago
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