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Maru [420]
3 years ago
12

What is the function of the cell membrane?

Biology
1 answer:
Kamila [148]3 years ago
7 0

Answer:

The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

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What are nodes, internodes, apical buds, & axillary buds?
xxMikexx [17]
Axillary buds are found at the insertion point of leaves and lateral branches in the nodes and give rise to lateral branches and flowers. Internodes are the stem regions between nodes. They lack lateral organs. It can be said that the stem is made up of nodes, internodes and axillary buds tidily arranged.
7 0
3 years ago
A cross between a plant with red flowers and a plant with white flowers yielded 47 plants with red flower and 51 plants with whi
nadya68 [22]

Answer:

One of the parents is heterozygous for red (Rr) and the other is homozygous for white (rr)

Explanation:

The ratio of red flowers to white flowers is roughly 50:50 in this cross (51:47)

Assuming red is the dominant trait, and white is the recessive trait, the parents would be Rr (heterozygous red) x rr (homozygous white).

The resulting punnet square (attached) shows that the genotypes are 50% Rr and 50% rr, which would be 50% red and 50% white. Therefore the parents are RR and Rr.

If red is the recessive phenotype, then the opposite would be true, the white parent would be heterozygous and the red parent would be homozygous.

Download pdf
6 0
3 years ago
Which topic would be covered within the subdiscipline of population genetics?a. determining the mechanism of DNA replication in
julia-pushkina [17]

Answer:in

Effect of small numbers of individuals on changes in the frequencies of an allele

Explanation:

By definition population genetics studies the changes in genetic variation of a population, this involves the modelling of changes in the frequencies of genes  and alleles.

For example if an organism is born with a color that enhances its reproduction that population may change drastically in appearance, on the contrary if the allele causes a genetic disease, the population numbers might decrease.

4 0
3 years ago
In simple terms, ethics is described as a set of decisions concerned with what is good for _________ and _________
icang [17]

Answer:

individuals and society

Explanation:

Ethics is concerned with what is good for individuals and society

3 0
3 years ago
PLZ GUYS I DONT KNOW WHAT TO WRITE ,I NEED UR HELP
zubka84 [21]

Answer: ok ill help:

1. over population happens when too many babies are born and the place gets crowded

2. same thing happens is too many immigrants go to 1 place E.G UK

8 0
4 years ago
Read 2 more answers
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