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AnnyKZ [126]
3 years ago
6

Why did Alfred hershey and Martha Chase choose to use bacteriophages in their research?

Biology
2 answers:
Vladimir [108]3 years ago
6 0

Answer:A

Explanation:

Veseljchak [2.6K]3 years ago
3 0
The answer is A, as all the other answers are false.
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Which is one of the five characteristics of life?
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One characteristic of life is that living things have different levels of organization -They have both molecular and cellular organization - They must have the ability to organize simple substances into complex ones. - They organize cells at several types of levels, namely: (a) Tissue- a group of cells that perform a common function (b) Organ - A group of tissues that perform a common function. (c) Organ system- a group of organs that perform a common function. (d) Organism- any complete living thing.
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3 years ago
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The chart below shows the three main types of plant tissues and associated tissues. mc003-1.jpg Which row (A, B, C, or D) best c
katrin [286]
I found the exercise on the internet. Attached is the chart and the rows. On the left we have "plant tissue", then on the middle top - "dermal" - and just below - "ground". Straight in front of "ground", the term is "c<span>ollenchyma".

The correct row would be D.
1. is vascular because that's the other type of plant tissue besides the ones that are already present in the chart.
2. and 3. - s</span>clerenchyma and parenchyma - are indeed types of ground tissues next to collenchyma.
4. and 5. - x<span>ylem and phloem - are the types of tissues present in vascular plants, they work as vessels where water and nutrients are conducted.</span>

9 0
3 years ago
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_____________ can change based on the force of gravity on an object.
liberstina [14]

Answer:

A mass

Explanation:

I learned it in 8th grade.

6 0
3 years ago
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How are heredity, genes, and traits related?
Fofino [41]

Answer:

Genes carry the knowledge that determines your traits, that are options or characteristics that are passed on to you — or heritable — from your parents. every cell within the physical structure contains regarding twenty five,000 to 35,000 genes.

Explanation:

6 0
3 years ago
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Between a Black father bear (genotype BB) and a Brown mother bear (genotype bb), they had several baby bears.Black fur allele (B
Karolina [17]

Answer:

100% or 1

Explanation:

This question involves a gene coding for fur color in bears. According to the question, black fur allele (B) is dominant over the brown fur allele (b). This means that a bear heterozygous for fur color (Bb) will be phenotypically black.

In this question, a black father bear (genotype BB) and a brown mother bear (genotype bb) were crossed, the baby bears will all have a genotype Bb (see punnet square in the attached image). Since all the offsprings of this cross have genotype Bb, this means that 100% will have black fur.

6 0
3 years ago
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