Answer:
A) compact bone
Explanation:
- Compact bone, also known as cortical bone, is the hard, stuff, smoot, white bone tissue sorrounding all bones, it provides structure and support as well as being an storage of minerals. It supports the whole body, protect organs and provides levers for movement.
- Spongy bone, also named cancellous bone, is a highly vascularized kind of bone, it contains red bone marros and is usually located at the ends of long bones. It gives the bone strength and flexibility.
- Irregular bone: from their peculiar form, cannot be grouped as long, short, flat or sesamoid bones, they serve various purposes in the body, such as protection of nervous tissue, affording multiple anchor points, trachea support, and tongue attachment.
- Trabecular bone: also called cancellous bone, is a sponge-like network consisting of myriads of highly interconnected bony trabeculae.
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Answer: The main causes of urban migration in the United States is Economics. Means of supporting oneself sometimes results in moving to where business is thriving.
Explanation:
Answer:
a) BB
b) bb
c) Bb
Explanation:
Co-dominance is a type of non-mendelian genetic inheritance in which two alleles of a gene are neither dominant nor recessive over one another, hence, they form an hybrid offspring that simultaneously exhibits the traits encoded by both alleles. This is the case of the scale color gene in a certain fish. The allele for blue scales (B) and allele for red scales are codominant. Hence, they produce an hybrid with a patchwork of both blue and red colours.
Therefore, a fish with blue scale color will possess an homozygous genotype of the blue allele: BB while a fish with a red scale color will possess an homozygous genotype of the red allele: bb. Since the patchwork fish is an hybrid or heterozygous, it will contain a combination of the blue and red alleles i.e. Bb.
Because both alleles (red and blue) are codominant, both traits encoded by both alleles will be expressed at the same time in the hybrid organism (patchwork fish).
Answer:regulation of RNA processing When a eukaryotic gene is transcribed in the nucleus.
Explanation:
the primary transcript (freshly made RNA molecule) isn't yet considered a messenger RNA. ... The pre-mRNA has to go through some modifications to become a mature mRNA molecule that can leave the nucleus and be translated.
